Initial commit

lib/core/constants/app_constants.dart

@@ -0,0 +1,10 @@
+class AppConstants {
+  AppConstants._();
+
+  static const String appName = 'TrainHub';
+  static const double windowWidth = 1280;
+  static const double windowHeight = 800;
+  static const double minWindowWidth = 800;
+  static const double minWindowHeight = 600;
+  static const String databaseName = 'trainhub.sqlite';
+}

lib/core/constants/ui_constants.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+
+class UIConstants {
+  UIConstants._();
+
+  static const double pagePadding = 24.0;
+  static const double cardPadding = 16.0;
+  static const double sidebarWidth = 300.0;
+  static const double analysisSidebarWidth = 350.0;
+  static const double dialogWidth = 400.0;
+
+  static const double spacing4 = 4.0;
+  static const double spacing8 = 8.0;
+  static const double spacing12 = 12.0;
+  static const double spacing16 = 16.0;
+  static const double spacing24 = 24.0;
+  static const double spacing32 = 32.0;
+
+  static const double borderRadius = 12.0;
+  static const double smallBorderRadius = 8.0;
+
+  static const Duration animationDuration = Duration(milliseconds: 200);
+  static const Duration snackBarDuration = Duration(seconds: 2);
+
+  static const double navRailWidth = 80.0;
+
+  static BorderRadius get cardBorderRadius =>
+      BorderRadius.circular(borderRadius);
+
+  static BorderRadius get smallCardBorderRadius =>
+      BorderRadius.circular(smallBorderRadius);
+}

lib/core/extensions/context_extensions.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+extension BuildContextExtensions on BuildContext {
+  ThemeData get theme => Theme.of(this);
+  ColorScheme get colors => theme.colorScheme;
+  TextTheme get textTheme => theme.textTheme;
+  MediaQueryData get mediaQuery => MediaQuery.of(this);
+  double get screenWidth => mediaQuery.size.width;
+  double get screenHeight => mediaQuery.size.height;
+
+  void showSnackBar(String message, {bool isError = false}) {
+    ScaffoldMessenger.of(this).showSnackBar(
+      SnackBar(
+        content: Text(message),
+        backgroundColor:
+            isError ? AppColors.destructive : AppColors.surfaceContainer,
+      ),
+    );
+  }
+
+  void showSuccessSnackBar(String message) {
+    ScaffoldMessenger.of(this).showSnackBar(
+      SnackBar(
+        content: Row(
+          children: [
+            const Icon(Icons.check_circle, color: AppColors.success, size: 18),
+            const SizedBox(width: 8),
+            Expanded(child: Text(message)),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/core/extensions/date_extensions.dart

@@ -0,0 +1,7 @@
+extension DateTimeExtensions on DateTime {
+  String toDisplayDate() {
+    return '${year.toString()}-${month.toString().padLeft(2, '0')}-${day.toString().padLeft(2, '0')}';
+  }
+
+  String toIso() => toIso8601String();
+}

lib/core/extensions/duration_extensions.dart

@@ -0,0 +1,15 @@
+extension DurationExtensions on Duration {
+  String toMmSs() {
+    final int minutes = inMinutes.remainder(60);
+    final int seconds = inSeconds.remainder(60);
+    return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
+  }
+}
+
+extension IntTimeExtensions on int {
+  String toMmSs() {
+    final int minutes = this ~/ 60;
+    final int seconds = this % 60;
+    return '$minutes:${seconds.toString().padLeft(2, '0')}';
+  }
+}

lib/core/router/app_router.dart

@@ -0,0 +1,32 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:trainhub_flutter/presentation/analysis/analysis_page.dart';
+import 'package:trainhub_flutter/presentation/calendar/calendar_page.dart';
+import 'package:trainhub_flutter/presentation/chat/chat_page.dart';
+import 'package:trainhub_flutter/presentation/home/home_page.dart';
+import 'package:trainhub_flutter/presentation/plan_editor/plan_editor_page.dart';
+import 'package:trainhub_flutter/presentation/shell/shell_page.dart';
+import 'package:trainhub_flutter/presentation/trainings/trainings_page.dart';
+import 'package:trainhub_flutter/presentation/workout_session/workout_session_page.dart';
+
+part 'app_router.gr.dart';
+
+@AutoRouterConfig(replaceInRouteName: 'Page|Screen,Route')
+class AppRouter extends RootStackRouter {
+  @override
+  List<AutoRoute> get routes => [
+        AutoRoute(
+          page: ShellRoute.page,
+          initial: true,
+          children: [
+            AutoRoute(page: HomeRoute.page, initial: true),
+            AutoRoute(page: TrainingsRoute.page),
+            AutoRoute(page: AnalysisRoute.page),
+            AutoRoute(page: CalendarRoute.page),
+            AutoRoute(page: ChatRoute.page),
+          ],
+        ),
+        AutoRoute(page: PlanEditorRoute.page),
+        AutoRoute(page: WorkoutSessionRoute.page),
+      ];
+}

lib/core/router/app_router.gr.dart

@@ -0,0 +1,191 @@
+// dart format width=80
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// AutoRouterGenerator
+// **************************************************************************
+
+// ignore_for_file: type=lint
+// coverage:ignore-file
+
+part of 'app_router.dart';
+
+/// generated route for
+/// [AnalysisPage]
+class AnalysisRoute extends PageRouteInfo<void> {
+  const AnalysisRoute({List<PageRouteInfo>? children})
+    : super(AnalysisRoute.name, initialChildren: children);
+
+  static const String name = 'AnalysisRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      return const AnalysisPage();
+    },
+  );
+}
+
+/// generated route for
+/// [CalendarPage]
+class CalendarRoute extends PageRouteInfo<void> {
+  const CalendarRoute({List<PageRouteInfo>? children})
+    : super(CalendarRoute.name, initialChildren: children);
+
+  static const String name = 'CalendarRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      return const CalendarPage();
+    },
+  );
+}
+
+/// generated route for
+/// [ChatPage]
+class ChatRoute extends PageRouteInfo<void> {
+  const ChatRoute({List<PageRouteInfo>? children})
+    : super(ChatRoute.name, initialChildren: children);
+
+  static const String name = 'ChatRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      return const ChatPage();
+    },
+  );
+}
+
+/// generated route for
+/// [HomePage]
+class HomeRoute extends PageRouteInfo<void> {
+  const HomeRoute({List<PageRouteInfo>? children})
+    : super(HomeRoute.name, initialChildren: children);
+
+  static const String name = 'HomeRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      return const HomePage();
+    },
+  );
+}
+
+/// generated route for
+/// [PlanEditorPage]
+class PlanEditorRoute extends PageRouteInfo<PlanEditorRouteArgs> {
+  PlanEditorRoute({
+    Key? key,
+    required String planId,
+    List<PageRouteInfo>? children,
+  }) : super(
+         PlanEditorRoute.name,
+         args: PlanEditorRouteArgs(key: key, planId: planId),
+         rawPathParams: {'planId': planId},
+         initialChildren: children,
+       );
+
+  static const String name = 'PlanEditorRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      final pathParams = data.inheritedPathParams;
+      final args = data.argsAs<PlanEditorRouteArgs>(
+        orElse: () =>
+            PlanEditorRouteArgs(planId: pathParams.getString('planId')),
+      );
+      return PlanEditorPage(key: args.key, planId: args.planId);
+    },
+  );
+}
+
+class PlanEditorRouteArgs {
+  const PlanEditorRouteArgs({this.key, required this.planId});
+
+  final Key? key;
+
+  final String planId;
+
+  @override
+  String toString() {
+    return 'PlanEditorRouteArgs{key: $key, planId: $planId}';
+  }
+}
+
+/// generated route for
+/// [ShellPage]
+class ShellRoute extends PageRouteInfo<void> {
+  const ShellRoute({List<PageRouteInfo>? children})
+    : super(ShellRoute.name, initialChildren: children);
+
+  static const String name = 'ShellRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      return const ShellPage();
+    },
+  );
+}
+
+/// generated route for
+/// [TrainingsPage]
+class TrainingsRoute extends PageRouteInfo<void> {
+  const TrainingsRoute({List<PageRouteInfo>? children})
+    : super(TrainingsRoute.name, initialChildren: children);
+
+  static const String name = 'TrainingsRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      return const TrainingsPage();
+    },
+  );
+}
+
+/// generated route for
+/// [WorkoutSessionPage]
+class WorkoutSessionRoute extends PageRouteInfo<WorkoutSessionRouteArgs> {
+  WorkoutSessionRoute({
+    Key? key,
+    required String planId,
+    List<PageRouteInfo>? children,
+  }) : super(
+         WorkoutSessionRoute.name,
+         args: WorkoutSessionRouteArgs(key: key, planId: planId),
+         rawPathParams: {'planId': planId},
+         initialChildren: children,
+       );
+
+  static const String name = 'WorkoutSessionRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      final pathParams = data.inheritedPathParams;
+      final args = data.argsAs<WorkoutSessionRouteArgs>(
+        orElse: () =>
+            WorkoutSessionRouteArgs(planId: pathParams.getString('planId')),
+      );
+      return WorkoutSessionPage(key: args.key, planId: args.planId);
+    },
+  );
+}
+
+class WorkoutSessionRouteArgs {
+  const WorkoutSessionRouteArgs({this.key, required this.planId});
+
+  final Key? key;
+
+  final String planId;
+
+  @override
+  String toString() {
+    return 'WorkoutSessionRouteArgs{key: $key, planId: $planId}';
+  }
+}

lib/core/theme/app_colors.dart

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+import 'package:flutter/material.dart';
+
+class AppColors {
+  AppColors._();
+
+  // Zinc palette
+  static const Color zinc50 = Color(0xFFFAFAFA);
+  static const Color zinc100 = Color(0xFFF4F4F5);
+  static const Color zinc200 = Color(0xFFE4E4E7);
+  static const Color zinc300 = Color(0xFFD4D4D8);
+  static const Color zinc400 = Color(0xFFA1A1AA);
+  static const Color zinc500 = Color(0xFF71717A);
+  static const Color zinc600 = Color(0xFF52525B);
+  static const Color zinc700 = Color(0xFF3F3F46);
+  static const Color zinc800 = Color(0xFF27272A);
+  static const Color zinc900 = Color(0xFF18181B);
+  static const Color zinc950 = Color(0xFF09090B);
+
+  // Semantic colors
+  static const Color surface = zinc950;
+  static const Color surfaceContainer = zinc900;
+  static const Color surfaceContainerHigh = zinc800;
+  static const Color border = zinc800;
+  static const Color borderSubtle = Color(0xFF1F1F23);
+  static const Color textPrimary = zinc50;
+  static const Color textSecondary = zinc400;
+  static const Color textMuted = zinc500;
+
+  // Accent colors
+  static const Color accent = Color(0xFFFF9800);
+  static const Color accentMuted = Color(0x33FF9800);
+  static const Color success = Color(0xFF22C55E);
+  static const Color successMuted = Color(0x3322C55E);
+  static const Color destructive = Color(0xFFEF4444);
+  static const Color destructiveMuted = Color(0x33EF4444);
+  static const Color info = Color(0xFF3B82F6);
+  static const Color infoMuted = Color(0x333B82F6);
+  static const Color purple = Color(0xFF8B5CF6);
+  static const Color purpleMuted = Color(0x338B5CF6);
+  static const Color warning = Color(0xFFF59E0B);
+}

lib/core/theme/app_theme.dart

@@ -0,0 +1,209 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+
+class AppTheme {
+  AppTheme._();
+
+  static final ThemeData dark = ThemeData(
+    useMaterial3: true,
+    brightness: Brightness.dark,
+    colorScheme: const ColorScheme.dark(
+      primary: AppColors.zinc50,
+      onPrimary: AppColors.zinc950,
+      secondary: AppColors.zinc200,
+      onSecondary: AppColors.zinc950,
+      surface: AppColors.zinc950,
+      onSurface: AppColors.zinc50,
+      surfaceContainer: AppColors.zinc900,
+      error: AppColors.destructive,
+      onError: AppColors.zinc50,
+      outline: AppColors.zinc800,
+      outlineVariant: AppColors.zinc700,
+    ),
+    scaffoldBackgroundColor: AppColors.surface,
+    textTheme: GoogleFonts.interTextTheme(ThemeData.dark().textTheme).apply(
+      bodyColor: AppColors.textPrimary,
+      displayColor: AppColors.textPrimary,
+    ),
+    cardTheme: CardThemeData(
+      color: AppColors.surfaceContainer,
+      elevation: 0,
+      shape: RoundedRectangleBorder(
+        borderRadius: UIConstants.cardBorderRadius,
+        side: const BorderSide(color: AppColors.border, width: 1),
+      ),
+      margin: EdgeInsets.zero,
+    ),
+    dividerTheme: const DividerThemeData(
+      color: AppColors.border,
+      thickness: 1,
+      space: 1,
+    ),
+    iconTheme: const IconThemeData(
+      color: AppColors.textSecondary,
+      size: 20,
+    ),
+    navigationRailTheme: NavigationRailThemeData(
+      backgroundColor: AppColors.surfaceContainer,
+      selectedIconTheme: const IconThemeData(color: AppColors.textPrimary),
+      unselectedIconTheme: const IconThemeData(color: AppColors.textMuted),
+      selectedLabelTextStyle: GoogleFonts.inter(
+        fontSize: 12,
+        fontWeight: FontWeight.w500,
+        color: AppColors.textPrimary,
+      ),
+      unselectedLabelTextStyle: GoogleFonts.inter(
+        fontSize: 12,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textMuted,
+      ),
+      indicatorColor: AppColors.zinc700,
+    ),
+    inputDecorationTheme: InputDecorationTheme(
+      filled: true,
+      fillColor: AppColors.surfaceContainer,
+      contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
+      border: OutlineInputBorder(
+        borderRadius: UIConstants.smallCardBorderRadius,
+        borderSide: const BorderSide(color: AppColors.border),
+      ),
+      enabledBorder: OutlineInputBorder(
+        borderRadius: UIConstants.smallCardBorderRadius,
+        borderSide: const BorderSide(color: AppColors.border),
+      ),
+      focusedBorder: OutlineInputBorder(
+        borderRadius: UIConstants.smallCardBorderRadius,
+        borderSide: const BorderSide(color: AppColors.zinc400, width: 1),
+      ),
+      hintStyle: GoogleFonts.inter(
+        color: AppColors.textMuted,
+        fontSize: 14,
+      ),
+      labelStyle: GoogleFonts.inter(
+        color: AppColors.textSecondary,
+        fontSize: 14,
+      ),
+    ),
+    dialogTheme: DialogThemeData(
+      backgroundColor: AppColors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: UIConstants.cardBorderRadius,
+        side: const BorderSide(color: AppColors.border),
+      ),
+      titleTextStyle: GoogleFonts.inter(
+        fontSize: 18,
+        fontWeight: FontWeight.w600,
+        color: AppColors.textPrimary,
+      ),
+    ),
+    filledButtonTheme: FilledButtonThemeData(
+      style: FilledButton.styleFrom(
+        backgroundColor: AppColors.zinc50,
+        foregroundColor: AppColors.zinc950,
+        shape: RoundedRectangleBorder(
+          borderRadius: UIConstants.smallCardBorderRadius,
+        ),
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
+        textStyle: GoogleFonts.inter(
+          fontSize: 14,
+          fontWeight: FontWeight.w500,
+        ),
+      ),
+    ),
+    outlinedButtonTheme: OutlinedButtonThemeData(
+      style: OutlinedButton.styleFrom(
+        foregroundColor: AppColors.textPrimary,
+        side: const BorderSide(color: AppColors.border),
+        shape: RoundedRectangleBorder(
+          borderRadius: UIConstants.smallCardBorderRadius,
+        ),
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
+        textStyle: GoogleFonts.inter(
+          fontSize: 14,
+          fontWeight: FontWeight.w500,
+        ),
+      ),
+    ),
+    textButtonTheme: TextButtonThemeData(
+      style: TextButton.styleFrom(
+        foregroundColor: AppColors.textSecondary,
+        shape: RoundedRectangleBorder(
+          borderRadius: UIConstants.smallCardBorderRadius,
+        ),
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+        textStyle: GoogleFonts.inter(
+          fontSize: 14,
+          fontWeight: FontWeight.w500,
+        ),
+      ),
+    ),
+    tabBarTheme: TabBarThemeData(
+      labelColor: AppColors.textPrimary,
+      unselectedLabelColor: AppColors.textMuted,
+      indicatorColor: AppColors.textPrimary,
+      dividerColor: AppColors.border,
+      labelStyle: GoogleFonts.inter(
+        fontSize: 14,
+        fontWeight: FontWeight.w500,
+      ),
+      unselectedLabelStyle: GoogleFonts.inter(
+        fontSize: 14,
+        fontWeight: FontWeight.w400,
+      ),
+    ),
+    snackBarTheme: SnackBarThemeData(
+      backgroundColor: AppColors.surfaceContainer,
+      contentTextStyle: GoogleFonts.inter(
+        color: AppColors.textPrimary,
+        fontSize: 14,
+      ),
+      shape: RoundedRectangleBorder(
+        borderRadius: UIConstants.smallCardBorderRadius,
+        side: const BorderSide(color: AppColors.border),
+      ),
+      behavior: SnackBarBehavior.floating,
+    ),
+    bottomSheetTheme: const BottomSheetThemeData(
+      backgroundColor: AppColors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
+      ),
+    ),
+    dropdownMenuTheme: DropdownMenuThemeData(
+      inputDecorationTheme: InputDecorationTheme(
+        filled: true,
+        fillColor: AppColors.surfaceContainer,
+        border: OutlineInputBorder(
+          borderRadius: UIConstants.smallCardBorderRadius,
+          borderSide: const BorderSide(color: AppColors.border),
+        ),
+      ),
+    ),
+    checkboxTheme: CheckboxThemeData(
+      fillColor: WidgetStateProperty.resolveWith((states) {
+        if (states.contains(WidgetState.selected)) {
+          return AppColors.zinc50;
+        }
+        return Colors.transparent;
+      }),
+      checkColor: WidgetStateProperty.all(AppColors.zinc950),
+      side: const BorderSide(color: AppColors.zinc400),
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(4),
+      ),
+    ),
+    tooltipTheme: TooltipThemeData(
+      decoration: BoxDecoration(
+        color: AppColors.zinc800,
+        borderRadius: BorderRadius.circular(6),
+        border: Border.all(color: AppColors.zinc700),
+      ),
+      textStyle: GoogleFonts.inter(
+        color: AppColors.textPrimary,
+        fontSize: 12,
+      ),
+    ),
+  );
+}

lib/core/theme/app_typography.dart

@@ -0,0 +1,103 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+class AppTypography {
+  AppTypography._();
+
+  static TextStyle get displayLarge => GoogleFonts.inter(
+        fontSize: 36,
+        fontWeight: FontWeight.w700,
+        color: AppColors.textPrimary,
+        height: 1.2,
+      );
+
+  static TextStyle get headlineLarge => GoogleFonts.inter(
+        fontSize: 28,
+        fontWeight: FontWeight.w700,
+        color: AppColors.textPrimary,
+        height: 1.3,
+      );
+
+  static TextStyle get headlineMedium => GoogleFonts.inter(
+        fontSize: 24,
+        fontWeight: FontWeight.w600,
+        color: AppColors.textPrimary,
+        height: 1.3,
+      );
+
+  static TextStyle get titleLarge => GoogleFonts.inter(
+        fontSize: 20,
+        fontWeight: FontWeight.w600,
+        color: AppColors.textPrimary,
+        height: 1.4,
+      );
+
+  static TextStyle get titleMedium => GoogleFonts.inter(
+        fontSize: 16,
+        fontWeight: FontWeight.w500,
+        color: AppColors.textPrimary,
+        height: 1.4,
+      );
+
+  static TextStyle get titleSmall => GoogleFonts.inter(
+        fontSize: 14,
+        fontWeight: FontWeight.w500,
+        color: AppColors.textPrimary,
+        height: 1.4,
+      );
+
+  static TextStyle get bodyLarge => GoogleFonts.inter(
+        fontSize: 16,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textPrimary,
+        height: 1.5,
+      );
+
+  static TextStyle get bodyMedium => GoogleFonts.inter(
+        fontSize: 14,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textPrimary,
+        height: 1.5,
+      );
+
+  static TextStyle get bodySmall => GoogleFonts.inter(
+        fontSize: 12,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textSecondary,
+        height: 1.5,
+      );
+
+  static TextStyle get labelLarge => GoogleFonts.inter(
+        fontSize: 14,
+        fontWeight: FontWeight.w500,
+        color: AppColors.textPrimary,
+        height: 1.4,
+      );
+
+  static TextStyle get labelMedium => GoogleFonts.inter(
+        fontSize: 12,
+        fontWeight: FontWeight.w500,
+        color: AppColors.textPrimary,
+        height: 1.4,
+      );
+
+  static TextStyle get caption => GoogleFonts.inter(
+        fontSize: 12,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textMuted,
+        height: 1.4,
+      );
+
+  static TextStyle get monoLarge => GoogleFonts.jetBrainsMono(
+        fontSize: 72,
+        fontWeight: FontWeight.w700,
+        color: AppColors.textPrimary,
+      );
+
+  static TextStyle get monoMedium => GoogleFonts.jetBrainsMono(
+        fontSize: 14,
+        fontWeight: FontWeight.w400,
+        color: AppColors.textPrimary,
+      );
+}

lib/core/utils/id_generator.dart

@@ -0,0 +1,9 @@
+import 'package:uuid/uuid.dart';
+
+class IdGenerator {
+  IdGenerator._();
+
+  static const Uuid _uuid = Uuid();
+
+  static String generate() => _uuid.v4();
+}

lib/core/utils/json_utils.dart

@@ -0,0 +1,20 @@
+import 'dart:convert';
+
+class JsonUtils {
+  JsonUtils._();
+
+  static List<dynamic> safeDecodeList(String? json) {
+    if (json == null || json.isEmpty) return [];
+    try {
+      final decoded = jsonDecode(json);
+      if (decoded is List) return decoded;
+      return [];
+    } catch (_) {
+      return [];
+    }
+  }
+
+  static String encodeList(List<Map<String, dynamic>> list) {
+    return jsonEncode(list);
+  }
+}

lib/data/database/app_database.dart

@@ -0,0 +1,152 @@
+import 'package:drift/drift.dart';
+import 'package:drift/native.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart' as p;
+import 'package:trainhub_flutter/core/constants/app_constants.dart';
+import 'package:trainhub_flutter/data/database/daos/exercise_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/training_plan_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/program_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/analysis_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/chat_dao.dart';
+import 'dart:io';
+
+part 'app_database.g.dart';
+
+class Exercises extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get instructions => text().nullable()();
+  TextColumn get enrichment => text().nullable()();
+  TextColumn get tags => text().nullable()();
+  TextColumn get videoUrl => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class TrainingPlans extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get sections => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class Programs extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get createdAt => text()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class ProgramWeeks extends Table {
+  TextColumn get id => text()();
+  TextColumn get programId =>
+      text().references(Programs, #id, onDelete: KeyAction.cascade)();
+  IntColumn get position => integer()();
+  TextColumn get notes => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class ProgramWorkouts extends Table {
+  TextColumn get id => text()();
+  TextColumn get weekId =>
+      text().references(ProgramWeeks, #id, onDelete: KeyAction.cascade)();
+  TextColumn get programId =>
+      text().references(Programs, #id, onDelete: KeyAction.cascade)();
+  TextColumn get day => text()();
+  TextColumn get type => text()();
+  TextColumn get refId => text().nullable()();
+  TextColumn get name => text().nullable()();
+  TextColumn get description => text().nullable()();
+  BoolColumn get completed => boolean().withDefault(const Constant(false))();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class AnalysisSessions extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get date => text()();
+  TextColumn get videoPath => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class Annotations extends Table {
+  TextColumn get id => text()();
+  TextColumn get sessionId =>
+      text().references(AnalysisSessions, #id, onDelete: KeyAction.cascade)();
+  RealColumn get startTime => real()();
+  RealColumn get endTime => real()();
+  TextColumn get name => text().nullable()();
+  TextColumn get description => text().nullable()();
+  TextColumn get color => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class ChatSessions extends Table {
+  TextColumn get id => text()();
+  TextColumn get title => text().nullable()();
+  TextColumn get createdAt => text()();
+  TextColumn get updatedAt => text()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class ChatMessages extends Table {
+  TextColumn get id => text()();
+  TextColumn get sessionId =>
+      text().references(ChatSessions, #id, onDelete: KeyAction.cascade)();
+  TextColumn get role => text()();
+  TextColumn get content => text()();
+  TextColumn get createdAt => text()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+@DriftDatabase(
+  tables: [
+    Exercises,
+    TrainingPlans,
+    Programs,
+    ProgramWeeks,
+    ProgramWorkouts,
+    AnalysisSessions,
+    Annotations,
+    ChatSessions,
+    ChatMessages,
+  ],
+  daos: [
+    ExerciseDao,
+    TrainingPlanDao,
+    ProgramDao,
+    AnalysisDao,
+    ChatDao,
+  ],
+)
+class AppDatabase extends _$AppDatabase {
+  AppDatabase() : super(_openConnection());
+
+  @override
+  int get schemaVersion => 1;
+}
+
+LazyDatabase _openConnection() {
+  return LazyDatabase(() async {
+    final dbFolder = await getApplicationDocumentsDirectory();
+    final file = File(p.join(dbFolder.path, AppConstants.databaseName));
+    return NativeDatabase.createInBackground(file);
+  });
+}

lib/data/database/daos/analysis_dao.dart

@@ -0,0 +1,32 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+part 'analysis_dao.g.dart';
+
+@DriftAccessor(tables: [AnalysisSessions, Annotations])
+class AnalysisDao extends DatabaseAccessor<AppDatabase>
+    with _$AnalysisDaoMixin {
+  AnalysisDao(super.db);
+
+  Future<List<AnalysisSession>> getAllSessions() =>
+      select(analysisSessions).get();
+
+  Future<AnalysisSession?> getSession(String id) =>
+      (select(analysisSessions)..where((t) => t.id.equals(id)))
+          .getSingleOrNull();
+
+  Future<void> insertSession(AnalysisSessionsCompanion entry) =>
+      into(analysisSessions).insert(entry);
+
+  Future<void> deleteSession(String id) =>
+      (delete(analysisSessions)..where((t) => t.id.equals(id))).go();
+
+  Future<List<Annotation>> getAnnotations(String sessionId) =>
+      (select(annotations)..where((t) => t.sessionId.equals(sessionId))).get();
+
+  Future<void> insertAnnotation(AnnotationsCompanion entry) =>
+      into(annotations).insert(entry);
+
+  Future<void> deleteAnnotation(String id) =>
+      (delete(annotations)..where((t) => t.id.equals(id))).go();
+}

lib/data/database/daos/analysis_dao.g.dart

@@ -0,0 +1,10 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'analysis_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$AnalysisDaoMixin on DatabaseAccessor<AppDatabase> {
+  $AnalysisSessionsTable get analysisSessions =>
+      attachedDatabase.analysisSessions;
+  $AnnotationsTable get annotations => attachedDatabase.annotations;
+}

lib/data/database/daos/chat_dao.dart

@@ -0,0 +1,43 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+part 'chat_dao.g.dart';
+
+@DriftAccessor(tables: [ChatSessions, ChatMessages])
+class ChatDao extends DatabaseAccessor<AppDatabase> with _$ChatDaoMixin {
+  ChatDao(super.db);
+
+  Future<List<ChatSession>> getAllSessions() =>
+      (select(chatSessions)
+            ..orderBy([
+              (t) => OrderingTerm(
+                  expression: t.createdAt, mode: OrderingMode.desc)
+            ]))
+          .get();
+
+  Future<ChatSession?> getSession(String id) =>
+      (select(chatSessions)..where((t) => t.id.equals(id)))
+          .getSingleOrNull();
+
+  Future<void> insertSession(ChatSessionsCompanion entry) =>
+      into(chatSessions).insert(entry);
+
+  Future<void> deleteSession(String id) =>
+      (delete(chatSessions)..where((t) => t.id.equals(id))).go();
+
+  Future<void> updateSessionTitle(String id, String title) =>
+      (update(chatSessions)..where((t) => t.id.equals(id)))
+          .write(ChatSessionsCompanion(title: Value(title)));
+
+  Future<List<ChatMessage>> getMessages(String sessionId) =>
+      (select(chatMessages)
+            ..where((t) => t.sessionId.equals(sessionId))
+            ..orderBy([
+              (t) =>
+                  OrderingTerm(expression: t.createdAt, mode: OrderingMode.asc)
+            ]))
+          .get();
+
+  Future<void> insertMessage(ChatMessagesCompanion entry) =>
+      into(chatMessages).insert(entry);
+}

lib/data/database/daos/chat_dao.g.dart

@@ -0,0 +1,9 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'chat_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$ChatDaoMixin on DatabaseAccessor<AppDatabase> {
+  $ChatSessionsTable get chatSessions => attachedDatabase.chatSessions;
+  $ChatMessagesTable get chatMessages => attachedDatabase.chatMessages;
+}

lib/data/database/daos/exercise_dao.dart

@@ -0,0 +1,24 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+part 'exercise_dao.g.dart';
+
+@DriftAccessor(tables: [Exercises])
+class ExerciseDao extends DatabaseAccessor<AppDatabase>
+    with _$ExerciseDaoMixin {
+  ExerciseDao(super.db);
+
+  Future<List<Exercise>> getAllExercises() => select(exercises).get();
+
+  Future<Exercise> getExerciseById(String id) =>
+      (select(exercises)..where((t) => t.id.equals(id))).getSingle();
+
+  Future<void> insertExercise(ExercisesCompanion entry) =>
+      into(exercises).insert(entry);
+
+  Future<void> updateExercise(String id, ExercisesCompanion entry) =>
+      (update(exercises)..where((t) => t.id.equals(id))).write(entry);
+
+  Future<void> deleteExercise(String id) =>
+      (delete(exercises)..where((t) => t.id.equals(id))).go();
+}

lib/data/database/daos/exercise_dao.g.dart

@@ -0,0 +1,8 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'exercise_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$ExerciseDaoMixin on DatabaseAccessor<AppDatabase> {
+  $ExercisesTable get exercises => attachedDatabase.exercises;
+}

lib/data/database/daos/program_dao.dart

@@ -0,0 +1,60 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+part 'program_dao.g.dart';
+
+@DriftAccessor(tables: [Programs, ProgramWeeks, ProgramWorkouts])
+class ProgramDao extends DatabaseAccessor<AppDatabase>
+    with _$ProgramDaoMixin {
+  ProgramDao(super.db);
+
+  Future<List<Program>> getAllPrograms() =>
+      (select(programs)
+            ..orderBy([
+              (t) =>
+                  OrderingTerm(expression: t.createdAt, mode: OrderingMode.desc)
+            ]))
+          .get();
+
+  Future<Program?> getProgram(String id) =>
+      (select(programs)..where((t) => t.id.equals(id))).getSingleOrNull();
+
+  Future<void> insertProgram(ProgramsCompanion entry) =>
+      into(programs).insert(entry);
+
+  Future<void> deleteProgram(String id) =>
+      (delete(programs)..where((t) => t.id.equals(id))).go();
+
+  Future<List<ProgramWeek>> getWeeks(String programId) =>
+      (select(programWeeks)
+            ..where((t) => t.programId.equals(programId))
+            ..orderBy([(t) => OrderingTerm(expression: t.position)]))
+          .get();
+
+  Future<void> insertWeek(ProgramWeeksCompanion entry) =>
+      into(programWeeks).insert(entry);
+
+  Future<void> deleteWeek(String id) =>
+      (delete(programWeeks)..where((t) => t.id.equals(id))).go();
+
+  Future<void> updateWeekNote(String weekId, String note) =>
+      (update(programWeeks)..where((t) => t.id.equals(weekId)))
+          .write(ProgramWeeksCompanion(notes: Value(note)));
+
+  Future<List<ProgramWorkout>> getWorkouts(String programId) =>
+      (select(programWorkouts)..where((t) => t.programId.equals(programId)))
+          .get();
+
+  Future<void> insertWorkout(ProgramWorkoutsCompanion entry) =>
+      into(programWorkouts).insert(entry);
+
+  Future<void> updateWorkout(String id, ProgramWorkoutsCompanion entry) =>
+      (update(programWorkouts)..where((t) => t.id.equals(id))).write(entry);
+
+  Future<void> deleteWorkout(String id) =>
+      (delete(programWorkouts)..where((t) => t.id.equals(id))).go();
+
+  Future<void> toggleWorkoutComplete(String id, bool currentStatus) =>
+      (update(programWorkouts)..where((t) => t.id.equals(id)))
+          .write(ProgramWorkoutsCompanion(completed: Value(!currentStatus)));
+}

lib/data/database/daos/program_dao.g.dart

@@ -0,0 +1,10 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'program_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$ProgramDaoMixin on DatabaseAccessor<AppDatabase> {
+  $ProgramsTable get programs => attachedDatabase.programs;
+  $ProgramWeeksTable get programWeeks => attachedDatabase.programWeeks;
+  $ProgramWorkoutsTable get programWorkouts => attachedDatabase.programWorkouts;
+}

lib/data/database/daos/training_plan_dao.dart

@@ -0,0 +1,24 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+part 'training_plan_dao.g.dart';
+
+@DriftAccessor(tables: [TrainingPlans])
+class TrainingPlanDao extends DatabaseAccessor<AppDatabase>
+    with _$TrainingPlanDaoMixin {
+  TrainingPlanDao(super.db);
+
+  Future<List<TrainingPlan>> getAllPlans() => select(trainingPlans).get();
+
+  Future<TrainingPlan> getPlanById(String id) =>
+      (select(trainingPlans)..where((t) => t.id.equals(id))).getSingle();
+
+  Future<void> insertPlan(TrainingPlansCompanion entry) =>
+      into(trainingPlans).insert(entry);
+
+  Future<void> updatePlan(String id, TrainingPlansCompanion entry) =>
+      (update(trainingPlans)..where((t) => t.id.equals(id))).write(entry);
+
+  Future<void> deletePlan(String id) =>
+      (delete(trainingPlans)..where((t) => t.id.equals(id))).go();
+}

lib/data/database/daos/training_plan_dao.g.dart

@@ -0,0 +1,8 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'training_plan_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$TrainingPlanDaoMixin on DatabaseAccessor<AppDatabase> {
+  $TrainingPlansTable get trainingPlans => attachedDatabase.trainingPlans;
+}

lib/data/mappers/analysis_mapper.dart

@@ -0,0 +1,28 @@
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/domain/entities/analysis_session.dart';
+import 'package:trainhub_flutter/domain/entities/annotation.dart';
+
+class AnalysisMapper {
+  AnalysisMapper._();
+
+  static AnalysisSessionEntity sessionToEntity(AnalysisSession row) {
+    return AnalysisSessionEntity(
+      id: row.id,
+      name: row.name,
+      date: row.date,
+      videoPath: row.videoPath,
+    );
+  }
+
+  static AnnotationEntity annotationToEntity(Annotation row) {
+    return AnnotationEntity(
+      id: row.id,
+      sessionId: row.sessionId,
+      startTime: row.startTime,
+      endTime: row.endTime,
+      name: row.name,
+      description: row.description,
+      color: row.color,
+    );
+  }
+}

lib/data/mappers/chat_mapper.dart

@@ -0,0 +1,26 @@
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/domain/entities/chat_session.dart';
+import 'package:trainhub_flutter/domain/entities/chat_message.dart';
+
+class ChatMapper {
+  ChatMapper._();
+
+  static ChatSessionEntity sessionToEntity(ChatSession row) {
+    return ChatSessionEntity(
+      id: row.id,
+      title: row.title,
+      createdAt: row.createdAt,
+      updatedAt: row.updatedAt,
+    );
+  }
+
+  static ChatMessageEntity messageToEntity(ChatMessage row) {
+    return ChatMessageEntity(
+      id: row.id,
+      sessionId: row.sessionId,
+      role: row.role,
+      content: row.content,
+      createdAt: row.createdAt,
+    );
+  }
+}

lib/data/mappers/exercise_mapper.dart

@@ -0,0 +1,39 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/domain/entities/exercise.dart';
+
+class ExerciseMapper {
+  ExerciseMapper._();
+
+  static ExerciseEntity toEntity(Exercise row) {
+    return ExerciseEntity(
+      id: row.id,
+      name: row.name,
+      instructions: row.instructions,
+      enrichment: row.enrichment,
+      tags: row.tags,
+      videoUrl: row.videoUrl,
+    );
+  }
+
+  static ExercisesCompanion toCompanion(ExerciseEntity entity) {
+    return ExercisesCompanion(
+      id: Value(entity.id),
+      name: Value(entity.name),
+      instructions: Value(entity.instructions),
+      enrichment: Value(entity.enrichment),
+      tags: Value(entity.tags),
+      videoUrl: Value(entity.videoUrl),
+    );
+  }
+
+  static ExercisesCompanion toUpdateCompanion(ExerciseEntity entity) {
+    return ExercisesCompanion(
+      name: Value(entity.name),
+      instructions: Value(entity.instructions),
+      enrichment: Value(entity.enrichment),
+      tags: Value(entity.tags),
+      videoUrl: Value(entity.videoUrl),
+    );
+  }
+}

lib/data/mappers/program_mapper.dart

@@ -0,0 +1,68 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/domain/entities/program.dart';
+import 'package:trainhub_flutter/domain/entities/program_week.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+
+class ProgramMapper {
+  ProgramMapper._();
+
+  static ProgramEntity toEntity(Program row) {
+    return ProgramEntity(
+      id: row.id,
+      name: row.name,
+      createdAt: row.createdAt,
+    );
+  }
+
+  static ProgramWeekEntity weekToEntity(ProgramWeek row) {
+    return ProgramWeekEntity(
+      id: row.id,
+      programId: row.programId,
+      position: row.position,
+      notes: row.notes,
+    );
+  }
+
+  static ProgramWorkoutEntity workoutToEntity(ProgramWorkout row) {
+    return ProgramWorkoutEntity(
+      id: row.id,
+      weekId: row.weekId,
+      programId: row.programId,
+      day: row.day,
+      type: row.type,
+      refId: row.refId,
+      name: row.name,
+      description: row.description,
+      completed: row.completed,
+    );
+  }
+
+  static ProgramWorkoutsCompanion workoutToCompanion(
+      ProgramWorkoutEntity entity) {
+    return ProgramWorkoutsCompanion(
+      id: Value(entity.id),
+      weekId: Value(entity.weekId),
+      programId: Value(entity.programId),
+      day: Value(entity.day),
+      type: Value(entity.type),
+      refId: Value(entity.refId),
+      name: Value(entity.name),
+      description: Value(entity.description),
+      completed: Value(entity.completed),
+    );
+  }
+
+  static ProgramWorkoutsCompanion workoutToUpdateCompanion(
+      ProgramWorkoutEntity entity) {
+    return ProgramWorkoutsCompanion(
+      day: Value(entity.day),
+      type: Value(entity.type),
+      refId: Value(entity.refId),
+      name: Value(entity.name),
+      description: Value(entity.description),
+      completed: Value(entity.completed),
+      weekId: Value(entity.weekId),
+    );
+  }
+}

lib/data/mappers/training_plan_mapper.dart

@@ -0,0 +1,87 @@
+import 'dart:convert';
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+import 'package:trainhub_flutter/domain/entities/training_section.dart';
+import 'package:trainhub_flutter/domain/entities/training_exercise.dart';
+
+class TrainingPlanMapper {
+  TrainingPlanMapper._();
+
+  static TrainingPlanEntity toEntity(TrainingPlan row) {
+    final List<dynamic> sectionsJson =
+        row.sections != null && row.sections!.isNotEmpty
+            ? jsonDecode(row.sections!) as List
+            : [];
+    return TrainingPlanEntity(
+      id: row.id,
+      name: row.name,
+      sections: sectionsJson
+          .map((s) => _mapSection(s as Map<String, dynamic>))
+          .toList(),
+    );
+  }
+
+  static TrainingSectionEntity _mapSection(Map<String, dynamic> json) {
+    final exercisesJson = json['exercises'] as List<dynamic>? ?? [];
+    return TrainingSectionEntity(
+      id: json['id'] as String? ?? '',
+      name: json['name'] as String? ?? '',
+      exercises: exercisesJson
+          .map((e) => _mapExercise(e as Map<String, dynamic>))
+          .toList(),
+    );
+  }
+
+  static TrainingExerciseEntity _mapExercise(Map<String, dynamic> json) {
+    return TrainingExerciseEntity(
+      instanceId: json['instanceId'] as String? ?? '',
+      exerciseId: json['exerciseId'] as String? ?? '',
+      name: json['name'] as String? ?? '',
+      sets: json['sets'] as int? ?? 3,
+      value: json['value'] as int? ?? 10,
+      isTime: json['isTime'] as bool? ?? false,
+      rest: json['rest'] as int? ?? 60,
+    );
+  }
+
+  static String sectionsToJson(List<TrainingSectionEntity> sections) {
+    return jsonEncode(sections.map((s) => _sectionToMap(s)).toList());
+  }
+
+  static Map<String, dynamic> _sectionToMap(TrainingSectionEntity section) {
+    return {
+      'id': section.id,
+      'name': section.name,
+      'exercises': section.exercises.map((e) => _exerciseToMap(e)).toList(),
+    };
+  }
+
+  static Map<String, dynamic> _exerciseToMap(TrainingExerciseEntity exercise) {
+    return {
+      'instanceId': exercise.instanceId,
+      'exerciseId': exercise.exerciseId,
+      'name': exercise.name,
+      'sets': exercise.sets,
+      'value': exercise.value,
+      'isTime': exercise.isTime,
+      'rest': exercise.rest,
+    };
+  }
+
+  static TrainingPlansCompanion toInsertCompanion(
+      String id, String name) {
+    return TrainingPlansCompanion.insert(
+      id: id,
+      name: name,
+      sections: const Value('[]'),
+    );
+  }
+
+  static TrainingPlansCompanion toUpdateCompanion(TrainingPlanEntity entity) {
+    return TrainingPlansCompanion(
+      name: Value(entity.name),
+      sections: Value(sectionsToJson(entity.sections)),
+    );
+  }
+}

lib/data/repositories/analysis_repository_impl.dart

@@ -0,0 +1,90 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/core/utils/id_generator.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/data/database/daos/analysis_dao.dart';
+import 'package:trainhub_flutter/data/mappers/analysis_mapper.dart';
+import 'package:trainhub_flutter/domain/entities/analysis_session.dart';
+import 'package:trainhub_flutter/domain/entities/annotation.dart';
+import 'package:trainhub_flutter/domain/repositories/analysis_repository.dart';
+
+class AnalysisRepositoryImpl implements AnalysisRepository {
+  final AnalysisDao _dao;
+
+  AnalysisRepositoryImpl(this._dao);
+
+  @override
+  Future<List<AnalysisSessionEntity>> getAllSessions() async {
+    final rows = await _dao.getAllSessions();
+    return rows.map(AnalysisMapper.sessionToEntity).toList();
+  }
+
+  @override
+  Future<AnalysisSessionEntity?> getSession(String id) async {
+    final row = await _dao.getSession(id);
+    return row == null ? null : AnalysisMapper.sessionToEntity(row);
+  }
+
+  @override
+  Future<AnalysisSessionEntity> createSession(
+      String name, String videoPath) async {
+    final String id = IdGenerator.generate();
+    await _dao.insertSession(
+      AnalysisSessionsCompanion.insert(
+        id: id,
+        name: name,
+        videoPath: Value(videoPath),
+        date: DateTime.now().toIso8601String(),
+      ),
+    );
+    final row = await _dao.getSession(id);
+    return AnalysisMapper.sessionToEntity(row!);
+  }
+
+  @override
+  Future<void> deleteSession(String id) async {
+    await _dao.deleteSession(id);
+  }
+
+  @override
+  Future<List<AnnotationEntity>> getAnnotations(String sessionId) async {
+    final rows = await _dao.getAnnotations(sessionId);
+    return rows.map(AnalysisMapper.annotationToEntity).toList();
+  }
+
+  @override
+  Future<AnnotationEntity> addAnnotation({
+    required String sessionId,
+    required String name,
+    required String description,
+    required double startTime,
+    required double endTime,
+    required String color,
+  }) async {
+    final String id = IdGenerator.generate();
+    await _dao.insertAnnotation(
+      AnnotationsCompanion.insert(
+        id: id,
+        sessionId: sessionId,
+        name: Value(name),
+        description: Value(description),
+        startTime: startTime,
+        endTime: endTime,
+        color: Value(color),
+      ),
+    );
+    return AnnotationEntity(
+      id: id,
+      sessionId: sessionId,
+      startTime: startTime,
+      endTime: endTime,
+      name: name,
+      description: description,
+      color: color,
+    );
+  }
+
+  @override
+  Future<void> deleteAnnotation(String id) async {
+    await _dao.deleteAnnotation(id);
+  }
+}

lib/data/repositories/chat_repository_impl.dart

@@ -0,0 +1,84 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/core/utils/id_generator.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/data/database/daos/chat_dao.dart';
+import 'package:trainhub_flutter/data/mappers/chat_mapper.dart';
+import 'package:trainhub_flutter/domain/entities/chat_session.dart';
+import 'package:trainhub_flutter/domain/entities/chat_message.dart';
+import 'package:trainhub_flutter/domain/repositories/chat_repository.dart';
+
+class ChatRepositoryImpl implements ChatRepository {
+  final ChatDao _dao;
+
+  ChatRepositoryImpl(this._dao);
+
+  @override
+  Future<List<ChatSessionEntity>> getAllSessions() async {
+    final rows = await _dao.getAllSessions();
+    return rows.map(ChatMapper.sessionToEntity).toList();
+  }
+
+  @override
+  Future<ChatSessionEntity?> getSession(String id) async {
+    final row = await _dao.getSession(id);
+    return row == null ? null : ChatMapper.sessionToEntity(row);
+  }
+
+  @override
+  Future<ChatSessionEntity> createSession() async {
+    final String id = IdGenerator.generate();
+    final String now = DateTime.now().toIso8601String();
+    await _dao.insertSession(
+      ChatSessionsCompanion.insert(
+        id: id,
+        title: const Value('New Chat'),
+        createdAt: now,
+        updatedAt: now,
+      ),
+    );
+    final row = await _dao.getSession(id);
+    return ChatMapper.sessionToEntity(row!);
+  }
+
+  @override
+  Future<void> deleteSession(String id) async {
+    await _dao.deleteSession(id);
+  }
+
+  @override
+  Future<List<ChatMessageEntity>> getMessages(String sessionId) async {
+    final rows = await _dao.getMessages(sessionId);
+    return rows.map(ChatMapper.messageToEntity).toList();
+  }
+
+  @override
+  Future<ChatMessageEntity> addMessage({
+    required String sessionId,
+    required String role,
+    required String content,
+  }) async {
+    final String id = IdGenerator.generate();
+    final String now = DateTime.now().toIso8601String();
+    await _dao.insertMessage(
+      ChatMessagesCompanion.insert(
+        id: id,
+        sessionId: sessionId,
+        role: role,
+        content: content,
+        createdAt: now,
+      ),
+    );
+    return ChatMessageEntity(
+      id: id,
+      sessionId: sessionId,
+      role: role,
+      content: content,
+      createdAt: now,
+    );
+  }
+
+  @override
+  Future<void> updateSessionTitle(String sessionId, String title) async {
+    await _dao.updateSessionTitle(sessionId, title);
+  }
+}

lib/data/repositories/exercise_repository_impl.dart

@@ -0,0 +1,53 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/core/utils/id_generator.dart';
+import 'package:trainhub_flutter/data/database/daos/exercise_dao.dart';
+import 'package:trainhub_flutter/data/mappers/exercise_mapper.dart';
+import 'package:trainhub_flutter/domain/entities/exercise.dart';
+import 'package:trainhub_flutter/domain/repositories/exercise_repository.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+
+class ExerciseRepositoryImpl implements ExerciseRepository {
+  final ExerciseDao _dao;
+
+  ExerciseRepositoryImpl(this._dao);
+
+  @override
+  Future<List<ExerciseEntity>> getAll() async {
+    final rows = await _dao.getAllExercises();
+    return rows.map(ExerciseMapper.toEntity).toList();
+  }
+
+  @override
+  Future<ExerciseEntity> create({
+    required String name,
+    String? instructions,
+    String? tags,
+    String? videoUrl,
+  }) async {
+    final String id = IdGenerator.generate();
+    await _dao.insertExercise(
+      ExercisesCompanion.insert(
+        id: id,
+        name: name,
+        instructions: Value(instructions),
+        tags: Value(tags),
+        videoUrl: Value(videoUrl),
+      ),
+    );
+    final row = await _dao.getExerciseById(id);
+    return ExerciseMapper.toEntity(row);
+  }
+
+  @override
+  Future<void> update(ExerciseEntity exercise) async {
+    await _dao.updateExercise(
+      exercise.id,
+      ExerciseMapper.toUpdateCompanion(exercise),
+    );
+  }
+
+  @override
+  Future<void> delete(String id) async {
+    await _dao.deleteExercise(id);
+  }
+}

lib/data/repositories/program_repository_impl.dart

@@ -0,0 +1,151 @@
+import 'package:drift/drift.dart';
+import 'package:trainhub_flutter/core/utils/id_generator.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/data/database/daos/program_dao.dart';
+import 'package:trainhub_flutter/data/mappers/program_mapper.dart';
+import 'package:trainhub_flutter/domain/entities/program.dart';
+import 'package:trainhub_flutter/domain/entities/program_week.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+import 'package:trainhub_flutter/domain/repositories/program_repository.dart';
+
+class ProgramRepositoryImpl implements ProgramRepository {
+  final ProgramDao _dao;
+
+  ProgramRepositoryImpl(this._dao);
+
+  @override
+  Future<List<ProgramEntity>> getAllPrograms() async {
+    final rows = await _dao.getAllPrograms();
+    return rows.map(ProgramMapper.toEntity).toList();
+  }
+
+  @override
+  Future<ProgramEntity?> getProgram(String id) async {
+    final row = await _dao.getProgram(id);
+    return row == null ? null : ProgramMapper.toEntity(row);
+  }
+
+  @override
+  Future<List<ProgramWeekEntity>> getWeeks(String programId) async {
+    final rows = await _dao.getWeeks(programId);
+    return rows.map(ProgramMapper.weekToEntity).toList();
+  }
+
+  @override
+  Future<List<ProgramWorkoutEntity>> getWorkouts(String programId) async {
+    final rows = await _dao.getWorkouts(programId);
+    return rows.map(ProgramMapper.workoutToEntity).toList();
+  }
+
+  @override
+  Future<ProgramEntity> createProgram(String name) async {
+    final String id = IdGenerator.generate();
+    await _dao.insertProgram(
+      ProgramsCompanion.insert(
+        id: id,
+        name: name,
+        createdAt: DateTime.now().toIso8601String(),
+      ),
+    );
+    final row = await _dao.getProgram(id);
+    return ProgramMapper.toEntity(row!);
+  }
+
+  @override
+  Future<void> deleteProgram(String id) async {
+    await _dao.deleteProgram(id);
+  }
+
+  @override
+  Future<void> duplicateProgram(String sourceId) async {
+    final sourceProgram = await _dao.getProgram(sourceId);
+    if (sourceProgram == null) return;
+    final String newId = IdGenerator.generate();
+    await _dao.insertProgram(
+      ProgramsCompanion.insert(
+        id: newId,
+        name: '${sourceProgram.name} (Copy)',
+        createdAt: DateTime.now().toIso8601String(),
+      ),
+    );
+    final weeks = await _dao.getWeeks(sourceId);
+    final workouts = await _dao.getWorkouts(sourceId);
+    for (final week in weeks) {
+      final String newWeekId = IdGenerator.generate();
+      await _dao.insertWeek(
+        ProgramWeeksCompanion.insert(
+          id: newWeekId,
+          programId: newId,
+          position: week.position,
+          notes: Value(week.notes),
+        ),
+      );
+      final weekWorkouts = workouts.where((w) => w.weekId == week.id);
+      for (final workout in weekWorkouts) {
+        await _dao.insertWorkout(
+          ProgramWorkoutsCompanion.insert(
+            id: IdGenerator.generate(),
+            weekId: newWeekId,
+            programId: newId,
+            day: workout.day,
+            type: workout.type,
+            refId: Value(workout.refId),
+            name: Value(workout.name),
+            description: Value(workout.description),
+            completed: const Value(false),
+          ),
+        );
+      }
+    }
+  }
+
+  @override
+  Future<ProgramWeekEntity> addWeek(String programId, int position) async {
+    final String id = IdGenerator.generate();
+    await _dao.insertWeek(
+      ProgramWeeksCompanion.insert(
+        id: id,
+        programId: programId,
+        position: position,
+      ),
+    );
+    final weeks = await _dao.getWeeks(programId);
+    final week = weeks.firstWhere((w) => w.id == id);
+    return ProgramMapper.weekToEntity(week);
+  }
+
+  @override
+  Future<void> deleteWeek(String id) async {
+    await _dao.deleteWeek(id);
+  }
+
+  @override
+  Future<void> updateWeekNote(String weekId, String note) async {
+    await _dao.updateWeekNote(weekId, note);
+  }
+
+  @override
+  Future<ProgramWorkoutEntity> addWorkout(
+      ProgramWorkoutEntity workout) async {
+    await _dao.insertWorkout(ProgramMapper.workoutToCompanion(workout));
+    return workout;
+  }
+
+  @override
+  Future<void> updateWorkout(ProgramWorkoutEntity workout) async {
+    await _dao.updateWorkout(
+      workout.id,
+      ProgramMapper.workoutToUpdateCompanion(workout),
+    );
+  }
+
+  @override
+  Future<void> deleteWorkout(String id) async {
+    await _dao.deleteWorkout(id);
+  }
+
+  @override
+  Future<void> toggleWorkoutComplete(String id, bool currentStatus) async {
+    await _dao.toggleWorkoutComplete(id, currentStatus);
+  }
+}

lib/data/repositories/training_plan_repository_impl.dart

@@ -0,0 +1,40 @@
+import 'package:trainhub_flutter/core/utils/id_generator.dart';
+import 'package:trainhub_flutter/data/database/daos/training_plan_dao.dart';
+import 'package:trainhub_flutter/data/mappers/training_plan_mapper.dart';
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+import 'package:trainhub_flutter/domain/repositories/training_plan_repository.dart';
+
+class TrainingPlanRepositoryImpl implements TrainingPlanRepository {
+  final TrainingPlanDao _dao;
+
+  TrainingPlanRepositoryImpl(this._dao);
+
+  @override
+  Future<List<TrainingPlanEntity>> getAll() async {
+    final rows = await _dao.getAllPlans();
+    return rows.map(TrainingPlanMapper.toEntity).toList();
+  }
+
+  @override
+  Future<TrainingPlanEntity> getById(String id) async {
+    final row = await _dao.getPlanById(id);
+    return TrainingPlanMapper.toEntity(row);
+  }
+
+  @override
+  Future<TrainingPlanEntity> create(String name) async {
+    final String id = IdGenerator.generate();
+    await _dao.insertPlan(TrainingPlanMapper.toInsertCompanion(id, name));
+    return getById(id);
+  }
+
+  @override
+  Future<void> update(TrainingPlanEntity plan) async {
+    await _dao.updatePlan(plan.id, TrainingPlanMapper.toUpdateCompanion(plan));
+  }
+
+  @override
+  Future<void> delete(String id) async {
+    await _dao.deletePlan(id);
+  }
+}

lib/database/database.dart

@@ -0,0 +1,148 @@
+import 'package:drift/drift.dart';
+import 'package:drift/native.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart' as p;
+import 'dart:io';
+
+part 'database.g.dart';
+
+// Exercises
+class Exercises extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get instructions => text().nullable()();
+  TextColumn get enrichment => text().nullable()();
+  TextColumn get tags => text().nullable()(); // JSON string
+  TextColumn get videoUrl => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// TrainingPlans
+class TrainingPlans extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get sections => text().nullable()(); // JSON string
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// Programs
+class Programs extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get createdAt => text()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// ProgramWeeks
+class ProgramWeeks extends Table {
+  TextColumn get id => text()();
+  TextColumn get programId =>
+      text().references(Programs, #id, onDelete: KeyAction.cascade)();
+  IntColumn get position => integer()();
+  TextColumn get notes => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// ProgramWorkouts
+class ProgramWorkouts extends Table {
+  TextColumn get id => text()();
+  TextColumn get weekId =>
+      text().references(ProgramWeeks, #id, onDelete: KeyAction.cascade)();
+  TextColumn get programId =>
+      text().references(Programs, #id, onDelete: KeyAction.cascade)();
+  TextColumn get day => text()();
+  TextColumn get type => text()(); // "exercise" | "plan"
+  TextColumn get refId => text().nullable()();
+  TextColumn get name => text().nullable()();
+  TextColumn get description => text().nullable()();
+  BoolColumn get completed => boolean().withDefault(const Constant(false))();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// AnalysisSessions
+class AnalysisSessions extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+  TextColumn get date => text()();
+  TextColumn get videoPath => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// Annotations
+class Annotations extends Table {
+  TextColumn get id => text()();
+  TextColumn get sessionId =>
+      text().references(AnalysisSessions, #id, onDelete: KeyAction.cascade)();
+  RealColumn get startTime => real()();
+  RealColumn get endTime => real()();
+  TextColumn get name => text().nullable()();
+  TextColumn get description => text().nullable()();
+  TextColumn get color => text().nullable()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// ChatSessions
+class ChatSessions extends Table {
+  TextColumn get id => text()();
+  TextColumn get title => text().nullable()();
+  TextColumn get createdAt => text()();
+  TextColumn get updatedAt => text()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+// ChatMessages
+class ChatMessages extends Table {
+  TextColumn get id => text()();
+  TextColumn get sessionId =>
+      text().references(ChatSessions, #id, onDelete: KeyAction.cascade)();
+  TextColumn get role => text()(); // 'user' | 'assistant'
+  TextColumn get content => text()();
+  TextColumn get createdAt => text()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+@DriftDatabase(
+  tables: [
+    Exercises,
+    TrainingPlans,
+    Programs,
+    ProgramWeeks,
+    ProgramWorkouts,
+    AnalysisSessions,
+    Annotations,
+    ChatSessions,
+    ChatMessages,
+  ],
+)
+class AppDatabase extends _$AppDatabase {
+  AppDatabase() : super(_openConnection());
+
+  @override
+  int get schemaVersion => 1;
+}
+
+LazyDatabase _openConnection() {
+  return LazyDatabase(() async {
+    final dbFolder = await getApplicationDocumentsDirectory();
+    final file = File(p.join(dbFolder.path, 'trainhub.sqlite'));
+    return NativeDatabase.createInBackground(file);
+  });
+}

lib/domain/entities/analysis_session.dart

@@ -0,0 +1,13 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'analysis_session.freezed.dart';
+
+@freezed
+class AnalysisSessionEntity with _$AnalysisSessionEntity {
+  const factory AnalysisSessionEntity({
+    required String id,
+    required String name,
+    required String date,
+    String? videoPath,
+  }) = _AnalysisSessionEntity;
+}

lib/domain/entities/analysis_session.freezed.dart

@@ -0,0 +1,219 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'analysis_session.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$AnalysisSessionEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  String get date => throw _privateConstructorUsedError;
+  String? get videoPath => throw _privateConstructorUsedError;
+
+  /// Create a copy of AnalysisSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $AnalysisSessionEntityCopyWith<AnalysisSessionEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $AnalysisSessionEntityCopyWith<$Res> {
+  factory $AnalysisSessionEntityCopyWith(
+    AnalysisSessionEntity value,
+    $Res Function(AnalysisSessionEntity) then,
+  ) = _$AnalysisSessionEntityCopyWithImpl<$Res, AnalysisSessionEntity>;
+  @useResult
+  $Res call({String id, String name, String date, String? videoPath});
+}
+
+/// @nodoc
+class _$AnalysisSessionEntityCopyWithImpl<
+  $Res,
+  $Val extends AnalysisSessionEntity
+>
+    implements $AnalysisSessionEntityCopyWith<$Res> {
+  _$AnalysisSessionEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of AnalysisSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? date = null,
+    Object? videoPath = freezed,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            name: null == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String,
+            date: null == date
+                ? _value.date
+                : date // ignore: cast_nullable_to_non_nullable
+                      as String,
+            videoPath: freezed == videoPath
+                ? _value.videoPath
+                : videoPath // ignore: cast_nullable_to_non_nullable
+                      as String?,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$AnalysisSessionEntityImplCopyWith<$Res>
+    implements $AnalysisSessionEntityCopyWith<$Res> {
+  factory _$$AnalysisSessionEntityImplCopyWith(
+    _$AnalysisSessionEntityImpl value,
+    $Res Function(_$AnalysisSessionEntityImpl) then,
+  ) = __$$AnalysisSessionEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({String id, String name, String date, String? videoPath});
+}
+
+/// @nodoc
+class __$$AnalysisSessionEntityImplCopyWithImpl<$Res>
+    extends
+        _$AnalysisSessionEntityCopyWithImpl<$Res, _$AnalysisSessionEntityImpl>
+    implements _$$AnalysisSessionEntityImplCopyWith<$Res> {
+  __$$AnalysisSessionEntityImplCopyWithImpl(
+    _$AnalysisSessionEntityImpl _value,
+    $Res Function(_$AnalysisSessionEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of AnalysisSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? date = null,
+    Object? videoPath = freezed,
+  }) {
+    return _then(
+      _$AnalysisSessionEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        name: null == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String,
+        date: null == date
+            ? _value.date
+            : date // ignore: cast_nullable_to_non_nullable
+                  as String,
+        videoPath: freezed == videoPath
+            ? _value.videoPath
+            : videoPath // ignore: cast_nullable_to_non_nullable
+                  as String?,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$AnalysisSessionEntityImpl implements _AnalysisSessionEntity {
+  const _$AnalysisSessionEntityImpl({
+    required this.id,
+    required this.name,
+    required this.date,
+    this.videoPath,
+  });
+
+  @override
+  final String id;
+  @override
+  final String name;
+  @override
+  final String date;
+  @override
+  final String? videoPath;
+
+  @override
+  String toString() {
+    return 'AnalysisSessionEntity(id: $id, name: $name, date: $date, videoPath: $videoPath)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$AnalysisSessionEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.date, date) || other.date == date) &&
+            (identical(other.videoPath, videoPath) ||
+                other.videoPath == videoPath));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, id, name, date, videoPath);
+
+  /// Create a copy of AnalysisSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$AnalysisSessionEntityImplCopyWith<_$AnalysisSessionEntityImpl>
+  get copyWith =>
+      __$$AnalysisSessionEntityImplCopyWithImpl<_$AnalysisSessionEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _AnalysisSessionEntity implements AnalysisSessionEntity {
+  const factory _AnalysisSessionEntity({
+    required final String id,
+    required final String name,
+    required final String date,
+    final String? videoPath,
+  }) = _$AnalysisSessionEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String get name;
+  @override
+  String get date;
+  @override
+  String? get videoPath;
+
+  /// Create a copy of AnalysisSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$AnalysisSessionEntityImplCopyWith<_$AnalysisSessionEntityImpl>
+  get copyWith => throw _privateConstructorUsedError;
+}

lib/domain/entities/annotation.dart

@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'annotation.freezed.dart';
+
+@freezed
+class AnnotationEntity with _$AnnotationEntity {
+  const factory AnnotationEntity({
+    required String id,
+    required String sessionId,
+    required double startTime,
+    required double endTime,
+    String? name,
+    String? description,
+    String? color,
+  }) = _AnnotationEntity;
+}

lib/domain/entities/annotation.freezed.dart

@@ -0,0 +1,295 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'annotation.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$AnnotationEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get sessionId => throw _privateConstructorUsedError;
+  double get startTime => throw _privateConstructorUsedError;
+  double get endTime => throw _privateConstructorUsedError;
+  String? get name => throw _privateConstructorUsedError;
+  String? get description => throw _privateConstructorUsedError;
+  String? get color => throw _privateConstructorUsedError;
+
+  /// Create a copy of AnnotationEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $AnnotationEntityCopyWith<AnnotationEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $AnnotationEntityCopyWith<$Res> {
+  factory $AnnotationEntityCopyWith(
+    AnnotationEntity value,
+    $Res Function(AnnotationEntity) then,
+  ) = _$AnnotationEntityCopyWithImpl<$Res, AnnotationEntity>;
+  @useResult
+  $Res call({
+    String id,
+    String sessionId,
+    double startTime,
+    double endTime,
+    String? name,
+    String? description,
+    String? color,
+  });
+}
+
+/// @nodoc
+class _$AnnotationEntityCopyWithImpl<$Res, $Val extends AnnotationEntity>
+    implements $AnnotationEntityCopyWith<$Res> {
+  _$AnnotationEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of AnnotationEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? sessionId = null,
+    Object? startTime = null,
+    Object? endTime = null,
+    Object? name = freezed,
+    Object? description = freezed,
+    Object? color = freezed,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            sessionId: null == sessionId
+                ? _value.sessionId
+                : sessionId // ignore: cast_nullable_to_non_nullable
+                      as String,
+            startTime: null == startTime
+                ? _value.startTime
+                : startTime // ignore: cast_nullable_to_non_nullable
+                      as double,
+            endTime: null == endTime
+                ? _value.endTime
+                : endTime // ignore: cast_nullable_to_non_nullable
+                      as double,
+            name: freezed == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            description: freezed == description
+                ? _value.description
+                : description // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            color: freezed == color
+                ? _value.color
+                : color // ignore: cast_nullable_to_non_nullable
+                      as String?,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$AnnotationEntityImplCopyWith<$Res>
+    implements $AnnotationEntityCopyWith<$Res> {
+  factory _$$AnnotationEntityImplCopyWith(
+    _$AnnotationEntityImpl value,
+    $Res Function(_$AnnotationEntityImpl) then,
+  ) = __$$AnnotationEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    String id,
+    String sessionId,
+    double startTime,
+    double endTime,
+    String? name,
+    String? description,
+    String? color,
+  });
+}
+
+/// @nodoc
+class __$$AnnotationEntityImplCopyWithImpl<$Res>
+    extends _$AnnotationEntityCopyWithImpl<$Res, _$AnnotationEntityImpl>
+    implements _$$AnnotationEntityImplCopyWith<$Res> {
+  __$$AnnotationEntityImplCopyWithImpl(
+    _$AnnotationEntityImpl _value,
+    $Res Function(_$AnnotationEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of AnnotationEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? sessionId = null,
+    Object? startTime = null,
+    Object? endTime = null,
+    Object? name = freezed,
+    Object? description = freezed,
+    Object? color = freezed,
+  }) {
+    return _then(
+      _$AnnotationEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        sessionId: null == sessionId
+            ? _value.sessionId
+            : sessionId // ignore: cast_nullable_to_non_nullable
+                  as String,
+        startTime: null == startTime
+            ? _value.startTime
+            : startTime // ignore: cast_nullable_to_non_nullable
+                  as double,
+        endTime: null == endTime
+            ? _value.endTime
+            : endTime // ignore: cast_nullable_to_non_nullable
+                  as double,
+        name: freezed == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        description: freezed == description
+            ? _value.description
+            : description // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        color: freezed == color
+            ? _value.color
+            : color // ignore: cast_nullable_to_non_nullable
+                  as String?,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$AnnotationEntityImpl implements _AnnotationEntity {
+  const _$AnnotationEntityImpl({
+    required this.id,
+    required this.sessionId,
+    required this.startTime,
+    required this.endTime,
+    this.name,
+    this.description,
+    this.color,
+  });
+
+  @override
+  final String id;
+  @override
+  final String sessionId;
+  @override
+  final double startTime;
+  @override
+  final double endTime;
+  @override
+  final String? name;
+  @override
+  final String? description;
+  @override
+  final String? color;
+
+  @override
+  String toString() {
+    return 'AnnotationEntity(id: $id, sessionId: $sessionId, startTime: $startTime, endTime: $endTime, name: $name, description: $description, color: $color)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$AnnotationEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.sessionId, sessionId) ||
+                other.sessionId == sessionId) &&
+            (identical(other.startTime, startTime) ||
+                other.startTime == startTime) &&
+            (identical(other.endTime, endTime) || other.endTime == endTime) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.description, description) ||
+                other.description == description) &&
+            (identical(other.color, color) || other.color == color));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    id,
+    sessionId,
+    startTime,
+    endTime,
+    name,
+    description,
+    color,
+  );
+
+  /// Create a copy of AnnotationEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$AnnotationEntityImplCopyWith<_$AnnotationEntityImpl> get copyWith =>
+      __$$AnnotationEntityImplCopyWithImpl<_$AnnotationEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _AnnotationEntity implements AnnotationEntity {
+  const factory _AnnotationEntity({
+    required final String id,
+    required final String sessionId,
+    required final double startTime,
+    required final double endTime,
+    final String? name,
+    final String? description,
+    final String? color,
+  }) = _$AnnotationEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String get sessionId;
+  @override
+  double get startTime;
+  @override
+  double get endTime;
+  @override
+  String? get name;
+  @override
+  String? get description;
+  @override
+  String? get color;
+
+  /// Create a copy of AnnotationEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$AnnotationEntityImplCopyWith<_$AnnotationEntityImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/domain/entities/chat_message.dart

@@ -0,0 +1,19 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'chat_message.freezed.dart';
+
+@freezed
+class ChatMessageEntity with _$ChatMessageEntity {
+  const factory ChatMessageEntity({
+    required String id,
+    required String sessionId,
+    required String role,
+    required String content,
+    required String createdAt,
+  }) = _ChatMessageEntity;
+
+  const ChatMessageEntity._();
+
+  bool get isUser => role == 'user';
+  bool get isAssistant => role == 'assistant';
+}

lib/domain/entities/chat_message.freezed.dart

@@ -0,0 +1,247 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'chat_message.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$ChatMessageEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get sessionId => throw _privateConstructorUsedError;
+  String get role => throw _privateConstructorUsedError;
+  String get content => throw _privateConstructorUsedError;
+  String get createdAt => throw _privateConstructorUsedError;
+
+  /// Create a copy of ChatMessageEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $ChatMessageEntityCopyWith<ChatMessageEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ChatMessageEntityCopyWith<$Res> {
+  factory $ChatMessageEntityCopyWith(
+    ChatMessageEntity value,
+    $Res Function(ChatMessageEntity) then,
+  ) = _$ChatMessageEntityCopyWithImpl<$Res, ChatMessageEntity>;
+  @useResult
+  $Res call({
+    String id,
+    String sessionId,
+    String role,
+    String content,
+    String createdAt,
+  });
+}
+
+/// @nodoc
+class _$ChatMessageEntityCopyWithImpl<$Res, $Val extends ChatMessageEntity>
+    implements $ChatMessageEntityCopyWith<$Res> {
+  _$ChatMessageEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of ChatMessageEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? sessionId = null,
+    Object? role = null,
+    Object? content = null,
+    Object? createdAt = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            sessionId: null == sessionId
+                ? _value.sessionId
+                : sessionId // ignore: cast_nullable_to_non_nullable
+                      as String,
+            role: null == role
+                ? _value.role
+                : role // ignore: cast_nullable_to_non_nullable
+                      as String,
+            content: null == content
+                ? _value.content
+                : content // ignore: cast_nullable_to_non_nullable
+                      as String,
+            createdAt: null == createdAt
+                ? _value.createdAt
+                : createdAt // ignore: cast_nullable_to_non_nullable
+                      as String,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$ChatMessageEntityImplCopyWith<$Res>
+    implements $ChatMessageEntityCopyWith<$Res> {
+  factory _$$ChatMessageEntityImplCopyWith(
+    _$ChatMessageEntityImpl value,
+    $Res Function(_$ChatMessageEntityImpl) then,
+  ) = __$$ChatMessageEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    String id,
+    String sessionId,
+    String role,
+    String content,
+    String createdAt,
+  });
+}
+
+/// @nodoc
+class __$$ChatMessageEntityImplCopyWithImpl<$Res>
+    extends _$ChatMessageEntityCopyWithImpl<$Res, _$ChatMessageEntityImpl>
+    implements _$$ChatMessageEntityImplCopyWith<$Res> {
+  __$$ChatMessageEntityImplCopyWithImpl(
+    _$ChatMessageEntityImpl _value,
+    $Res Function(_$ChatMessageEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of ChatMessageEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? sessionId = null,
+    Object? role = null,
+    Object? content = null,
+    Object? createdAt = null,
+  }) {
+    return _then(
+      _$ChatMessageEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        sessionId: null == sessionId
+            ? _value.sessionId
+            : sessionId // ignore: cast_nullable_to_non_nullable
+                  as String,
+        role: null == role
+            ? _value.role
+            : role // ignore: cast_nullable_to_non_nullable
+                  as String,
+        content: null == content
+            ? _value.content
+            : content // ignore: cast_nullable_to_non_nullable
+                  as String,
+        createdAt: null == createdAt
+            ? _value.createdAt
+            : createdAt // ignore: cast_nullable_to_non_nullable
+                  as String,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$ChatMessageEntityImpl extends _ChatMessageEntity {
+  const _$ChatMessageEntityImpl({
+    required this.id,
+    required this.sessionId,
+    required this.role,
+    required this.content,
+    required this.createdAt,
+  }) : super._();
+
+  @override
+  final String id;
+  @override
+  final String sessionId;
+  @override
+  final String role;
+  @override
+  final String content;
+  @override
+  final String createdAt;
+
+  @override
+  String toString() {
+    return 'ChatMessageEntity(id: $id, sessionId: $sessionId, role: $role, content: $content, createdAt: $createdAt)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ChatMessageEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.sessionId, sessionId) ||
+                other.sessionId == sessionId) &&
+            (identical(other.role, role) || other.role == role) &&
+            (identical(other.content, content) || other.content == content) &&
+            (identical(other.createdAt, createdAt) ||
+                other.createdAt == createdAt));
+  }
+
+  @override
+  int get hashCode =>
+      Object.hash(runtimeType, id, sessionId, role, content, createdAt);
+
+  /// Create a copy of ChatMessageEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ChatMessageEntityImplCopyWith<_$ChatMessageEntityImpl> get copyWith =>
+      __$$ChatMessageEntityImplCopyWithImpl<_$ChatMessageEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _ChatMessageEntity extends ChatMessageEntity {
+  const factory _ChatMessageEntity({
+    required final String id,
+    required final String sessionId,
+    required final String role,
+    required final String content,
+    required final String createdAt,
+  }) = _$ChatMessageEntityImpl;
+  const _ChatMessageEntity._() : super._();
+
+  @override
+  String get id;
+  @override
+  String get sessionId;
+  @override
+  String get role;
+  @override
+  String get content;
+  @override
+  String get createdAt;
+
+  /// Create a copy of ChatMessageEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ChatMessageEntityImplCopyWith<_$ChatMessageEntityImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/domain/entities/chat_session.dart

@@ -0,0 +1,13 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'chat_session.freezed.dart';
+
+@freezed
+class ChatSessionEntity with _$ChatSessionEntity {
+  const factory ChatSessionEntity({
+    required String id,
+    String? title,
+    required String createdAt,
+    required String updatedAt,
+  }) = _ChatSessionEntity;
+}

lib/domain/entities/chat_session.freezed.dart

@@ -0,0 +1,215 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'chat_session.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$ChatSessionEntity {
+  String get id => throw _privateConstructorUsedError;
+  String? get title => throw _privateConstructorUsedError;
+  String get createdAt => throw _privateConstructorUsedError;
+  String get updatedAt => throw _privateConstructorUsedError;
+
+  /// Create a copy of ChatSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $ChatSessionEntityCopyWith<ChatSessionEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ChatSessionEntityCopyWith<$Res> {
+  factory $ChatSessionEntityCopyWith(
+    ChatSessionEntity value,
+    $Res Function(ChatSessionEntity) then,
+  ) = _$ChatSessionEntityCopyWithImpl<$Res, ChatSessionEntity>;
+  @useResult
+  $Res call({String id, String? title, String createdAt, String updatedAt});
+}
+
+/// @nodoc
+class _$ChatSessionEntityCopyWithImpl<$Res, $Val extends ChatSessionEntity>
+    implements $ChatSessionEntityCopyWith<$Res> {
+  _$ChatSessionEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of ChatSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? title = freezed,
+    Object? createdAt = null,
+    Object? updatedAt = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            title: freezed == title
+                ? _value.title
+                : title // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            createdAt: null == createdAt
+                ? _value.createdAt
+                : createdAt // ignore: cast_nullable_to_non_nullable
+                      as String,
+            updatedAt: null == updatedAt
+                ? _value.updatedAt
+                : updatedAt // ignore: cast_nullable_to_non_nullable
+                      as String,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$ChatSessionEntityImplCopyWith<$Res>
+    implements $ChatSessionEntityCopyWith<$Res> {
+  factory _$$ChatSessionEntityImplCopyWith(
+    _$ChatSessionEntityImpl value,
+    $Res Function(_$ChatSessionEntityImpl) then,
+  ) = __$$ChatSessionEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({String id, String? title, String createdAt, String updatedAt});
+}
+
+/// @nodoc
+class __$$ChatSessionEntityImplCopyWithImpl<$Res>
+    extends _$ChatSessionEntityCopyWithImpl<$Res, _$ChatSessionEntityImpl>
+    implements _$$ChatSessionEntityImplCopyWith<$Res> {
+  __$$ChatSessionEntityImplCopyWithImpl(
+    _$ChatSessionEntityImpl _value,
+    $Res Function(_$ChatSessionEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of ChatSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? title = freezed,
+    Object? createdAt = null,
+    Object? updatedAt = null,
+  }) {
+    return _then(
+      _$ChatSessionEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        title: freezed == title
+            ? _value.title
+            : title // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        createdAt: null == createdAt
+            ? _value.createdAt
+            : createdAt // ignore: cast_nullable_to_non_nullable
+                  as String,
+        updatedAt: null == updatedAt
+            ? _value.updatedAt
+            : updatedAt // ignore: cast_nullable_to_non_nullable
+                  as String,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$ChatSessionEntityImpl implements _ChatSessionEntity {
+  const _$ChatSessionEntityImpl({
+    required this.id,
+    this.title,
+    required this.createdAt,
+    required this.updatedAt,
+  });
+
+  @override
+  final String id;
+  @override
+  final String? title;
+  @override
+  final String createdAt;
+  @override
+  final String updatedAt;
+
+  @override
+  String toString() {
+    return 'ChatSessionEntity(id: $id, title: $title, createdAt: $createdAt, updatedAt: $updatedAt)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ChatSessionEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.title, title) || other.title == title) &&
+            (identical(other.createdAt, createdAt) ||
+                other.createdAt == createdAt) &&
+            (identical(other.updatedAt, updatedAt) ||
+                other.updatedAt == updatedAt));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, id, title, createdAt, updatedAt);
+
+  /// Create a copy of ChatSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ChatSessionEntityImplCopyWith<_$ChatSessionEntityImpl> get copyWith =>
+      __$$ChatSessionEntityImplCopyWithImpl<_$ChatSessionEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _ChatSessionEntity implements ChatSessionEntity {
+  const factory _ChatSessionEntity({
+    required final String id,
+    final String? title,
+    required final String createdAt,
+    required final String updatedAt,
+  }) = _$ChatSessionEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String? get title;
+  @override
+  String get createdAt;
+  @override
+  String get updatedAt;
+
+  /// Create a copy of ChatSessionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ChatSessionEntityImplCopyWith<_$ChatSessionEntityImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/domain/entities/exercise.dart

@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'exercise.freezed.dart';
+
+@freezed
+class ExerciseEntity with _$ExerciseEntity {
+  const factory ExerciseEntity({
+    required String id,
+    required String name,
+    String? instructions,
+    String? enrichment,
+    String? tags,
+    String? videoUrl,
+    String? muscleGroup,
+  }) = _ExerciseEntity;
+}

lib/domain/entities/exercise.freezed.dart

@@ -0,0 +1,296 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'exercise.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$ExerciseEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  String? get instructions => throw _privateConstructorUsedError;
+  String? get enrichment => throw _privateConstructorUsedError;
+  String? get tags => throw _privateConstructorUsedError;
+  String? get videoUrl => throw _privateConstructorUsedError;
+  String? get muscleGroup => throw _privateConstructorUsedError;
+
+  /// Create a copy of ExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $ExerciseEntityCopyWith<ExerciseEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ExerciseEntityCopyWith<$Res> {
+  factory $ExerciseEntityCopyWith(
+    ExerciseEntity value,
+    $Res Function(ExerciseEntity) then,
+  ) = _$ExerciseEntityCopyWithImpl<$Res, ExerciseEntity>;
+  @useResult
+  $Res call({
+    String id,
+    String name,
+    String? instructions,
+    String? enrichment,
+    String? tags,
+    String? videoUrl,
+    String? muscleGroup,
+  });
+}
+
+/// @nodoc
+class _$ExerciseEntityCopyWithImpl<$Res, $Val extends ExerciseEntity>
+    implements $ExerciseEntityCopyWith<$Res> {
+  _$ExerciseEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of ExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? instructions = freezed,
+    Object? enrichment = freezed,
+    Object? tags = freezed,
+    Object? videoUrl = freezed,
+    Object? muscleGroup = freezed,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            name: null == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String,
+            instructions: freezed == instructions
+                ? _value.instructions
+                : instructions // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            enrichment: freezed == enrichment
+                ? _value.enrichment
+                : enrichment // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            tags: freezed == tags
+                ? _value.tags
+                : tags // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            videoUrl: freezed == videoUrl
+                ? _value.videoUrl
+                : videoUrl // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            muscleGroup: freezed == muscleGroup
+                ? _value.muscleGroup
+                : muscleGroup // ignore: cast_nullable_to_non_nullable
+                      as String?,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$ExerciseEntityImplCopyWith<$Res>
+    implements $ExerciseEntityCopyWith<$Res> {
+  factory _$$ExerciseEntityImplCopyWith(
+    _$ExerciseEntityImpl value,
+    $Res Function(_$ExerciseEntityImpl) then,
+  ) = __$$ExerciseEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    String id,
+    String name,
+    String? instructions,
+    String? enrichment,
+    String? tags,
+    String? videoUrl,
+    String? muscleGroup,
+  });
+}
+
+/// @nodoc
+class __$$ExerciseEntityImplCopyWithImpl<$Res>
+    extends _$ExerciseEntityCopyWithImpl<$Res, _$ExerciseEntityImpl>
+    implements _$$ExerciseEntityImplCopyWith<$Res> {
+  __$$ExerciseEntityImplCopyWithImpl(
+    _$ExerciseEntityImpl _value,
+    $Res Function(_$ExerciseEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of ExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? instructions = freezed,
+    Object? enrichment = freezed,
+    Object? tags = freezed,
+    Object? videoUrl = freezed,
+    Object? muscleGroup = freezed,
+  }) {
+    return _then(
+      _$ExerciseEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        name: null == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String,
+        instructions: freezed == instructions
+            ? _value.instructions
+            : instructions // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        enrichment: freezed == enrichment
+            ? _value.enrichment
+            : enrichment // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        tags: freezed == tags
+            ? _value.tags
+            : tags // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        videoUrl: freezed == videoUrl
+            ? _value.videoUrl
+            : videoUrl // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        muscleGroup: freezed == muscleGroup
+            ? _value.muscleGroup
+            : muscleGroup // ignore: cast_nullable_to_non_nullable
+                  as String?,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$ExerciseEntityImpl implements _ExerciseEntity {
+  const _$ExerciseEntityImpl({
+    required this.id,
+    required this.name,
+    this.instructions,
+    this.enrichment,
+    this.tags,
+    this.videoUrl,
+    this.muscleGroup,
+  });
+
+  @override
+  final String id;
+  @override
+  final String name;
+  @override
+  final String? instructions;
+  @override
+  final String? enrichment;
+  @override
+  final String? tags;
+  @override
+  final String? videoUrl;
+  @override
+  final String? muscleGroup;
+
+  @override
+  String toString() {
+    return 'ExerciseEntity(id: $id, name: $name, instructions: $instructions, enrichment: $enrichment, tags: $tags, videoUrl: $videoUrl, muscleGroup: $muscleGroup)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ExerciseEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.instructions, instructions) ||
+                other.instructions == instructions) &&
+            (identical(other.enrichment, enrichment) ||
+                other.enrichment == enrichment) &&
+            (identical(other.tags, tags) || other.tags == tags) &&
+            (identical(other.videoUrl, videoUrl) ||
+                other.videoUrl == videoUrl) &&
+            (identical(other.muscleGroup, muscleGroup) ||
+                other.muscleGroup == muscleGroup));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    id,
+    name,
+    instructions,
+    enrichment,
+    tags,
+    videoUrl,
+    muscleGroup,
+  );
+
+  /// Create a copy of ExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ExerciseEntityImplCopyWith<_$ExerciseEntityImpl> get copyWith =>
+      __$$ExerciseEntityImplCopyWithImpl<_$ExerciseEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _ExerciseEntity implements ExerciseEntity {
+  const factory _ExerciseEntity({
+    required final String id,
+    required final String name,
+    final String? instructions,
+    final String? enrichment,
+    final String? tags,
+    final String? videoUrl,
+    final String? muscleGroup,
+  }) = _$ExerciseEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String get name;
+  @override
+  String? get instructions;
+  @override
+  String? get enrichment;
+  @override
+  String? get tags;
+  @override
+  String? get videoUrl;
+  @override
+  String? get muscleGroup;
+
+  /// Create a copy of ExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ExerciseEntityImplCopyWith<_$ExerciseEntityImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/domain/entities/program.dart

@@ -0,0 +1,12 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'program.freezed.dart';
+
+@freezed
+class ProgramEntity with _$ProgramEntity {
+  const factory ProgramEntity({
+    required String id,
+    required String name,
+    required String createdAt,
+  }) = _ProgramEntity;
+}

lib/domain/entities/program.freezed.dart

@@ -0,0 +1,193 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'program.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$ProgramEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  String get createdAt => throw _privateConstructorUsedError;
+
+  /// Create a copy of ProgramEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $ProgramEntityCopyWith<ProgramEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ProgramEntityCopyWith<$Res> {
+  factory $ProgramEntityCopyWith(
+    ProgramEntity value,
+    $Res Function(ProgramEntity) then,
+  ) = _$ProgramEntityCopyWithImpl<$Res, ProgramEntity>;
+  @useResult
+  $Res call({String id, String name, String createdAt});
+}
+
+/// @nodoc
+class _$ProgramEntityCopyWithImpl<$Res, $Val extends ProgramEntity>
+    implements $ProgramEntityCopyWith<$Res> {
+  _$ProgramEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of ProgramEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? createdAt = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            name: null == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String,
+            createdAt: null == createdAt
+                ? _value.createdAt
+                : createdAt // ignore: cast_nullable_to_non_nullable
+                      as String,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$ProgramEntityImplCopyWith<$Res>
+    implements $ProgramEntityCopyWith<$Res> {
+  factory _$$ProgramEntityImplCopyWith(
+    _$ProgramEntityImpl value,
+    $Res Function(_$ProgramEntityImpl) then,
+  ) = __$$ProgramEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({String id, String name, String createdAt});
+}
+
+/// @nodoc
+class __$$ProgramEntityImplCopyWithImpl<$Res>
+    extends _$ProgramEntityCopyWithImpl<$Res, _$ProgramEntityImpl>
+    implements _$$ProgramEntityImplCopyWith<$Res> {
+  __$$ProgramEntityImplCopyWithImpl(
+    _$ProgramEntityImpl _value,
+    $Res Function(_$ProgramEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of ProgramEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? createdAt = null,
+  }) {
+    return _then(
+      _$ProgramEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        name: null == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String,
+        createdAt: null == createdAt
+            ? _value.createdAt
+            : createdAt // ignore: cast_nullable_to_non_nullable
+                  as String,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$ProgramEntityImpl implements _ProgramEntity {
+  const _$ProgramEntityImpl({
+    required this.id,
+    required this.name,
+    required this.createdAt,
+  });
+
+  @override
+  final String id;
+  @override
+  final String name;
+  @override
+  final String createdAt;
+
+  @override
+  String toString() {
+    return 'ProgramEntity(id: $id, name: $name, createdAt: $createdAt)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ProgramEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.createdAt, createdAt) ||
+                other.createdAt == createdAt));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, id, name, createdAt);
+
+  /// Create a copy of ProgramEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ProgramEntityImplCopyWith<_$ProgramEntityImpl> get copyWith =>
+      __$$ProgramEntityImplCopyWithImpl<_$ProgramEntityImpl>(this, _$identity);
+}
+
+abstract class _ProgramEntity implements ProgramEntity {
+  const factory _ProgramEntity({
+    required final String id,
+    required final String name,
+    required final String createdAt,
+  }) = _$ProgramEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String get name;
+  @override
+  String get createdAt;
+
+  /// Create a copy of ProgramEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ProgramEntityImplCopyWith<_$ProgramEntityImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/domain/entities/program_week.dart

@@ -0,0 +1,13 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'program_week.freezed.dart';
+
+@freezed
+class ProgramWeekEntity with _$ProgramWeekEntity {
+  const factory ProgramWeekEntity({
+    required String id,
+    required String programId,
+    required int position,
+    String? notes,
+  }) = _ProgramWeekEntity;
+}

lib/domain/entities/program_week.freezed.dart

@@ -0,0 +1,215 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'program_week.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$ProgramWeekEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get programId => throw _privateConstructorUsedError;
+  int get position => throw _privateConstructorUsedError;
+  String? get notes => throw _privateConstructorUsedError;
+
+  /// Create a copy of ProgramWeekEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $ProgramWeekEntityCopyWith<ProgramWeekEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ProgramWeekEntityCopyWith<$Res> {
+  factory $ProgramWeekEntityCopyWith(
+    ProgramWeekEntity value,
+    $Res Function(ProgramWeekEntity) then,
+  ) = _$ProgramWeekEntityCopyWithImpl<$Res, ProgramWeekEntity>;
+  @useResult
+  $Res call({String id, String programId, int position, String? notes});
+}
+
+/// @nodoc
+class _$ProgramWeekEntityCopyWithImpl<$Res, $Val extends ProgramWeekEntity>
+    implements $ProgramWeekEntityCopyWith<$Res> {
+  _$ProgramWeekEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of ProgramWeekEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? programId = null,
+    Object? position = null,
+    Object? notes = freezed,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            programId: null == programId
+                ? _value.programId
+                : programId // ignore: cast_nullable_to_non_nullable
+                      as String,
+            position: null == position
+                ? _value.position
+                : position // ignore: cast_nullable_to_non_nullable
+                      as int,
+            notes: freezed == notes
+                ? _value.notes
+                : notes // ignore: cast_nullable_to_non_nullable
+                      as String?,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$ProgramWeekEntityImplCopyWith<$Res>
+    implements $ProgramWeekEntityCopyWith<$Res> {
+  factory _$$ProgramWeekEntityImplCopyWith(
+    _$ProgramWeekEntityImpl value,
+    $Res Function(_$ProgramWeekEntityImpl) then,
+  ) = __$$ProgramWeekEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({String id, String programId, int position, String? notes});
+}
+
+/// @nodoc
+class __$$ProgramWeekEntityImplCopyWithImpl<$Res>
+    extends _$ProgramWeekEntityCopyWithImpl<$Res, _$ProgramWeekEntityImpl>
+    implements _$$ProgramWeekEntityImplCopyWith<$Res> {
+  __$$ProgramWeekEntityImplCopyWithImpl(
+    _$ProgramWeekEntityImpl _value,
+    $Res Function(_$ProgramWeekEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of ProgramWeekEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? programId = null,
+    Object? position = null,
+    Object? notes = freezed,
+  }) {
+    return _then(
+      _$ProgramWeekEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        programId: null == programId
+            ? _value.programId
+            : programId // ignore: cast_nullable_to_non_nullable
+                  as String,
+        position: null == position
+            ? _value.position
+            : position // ignore: cast_nullable_to_non_nullable
+                  as int,
+        notes: freezed == notes
+            ? _value.notes
+            : notes // ignore: cast_nullable_to_non_nullable
+                  as String?,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$ProgramWeekEntityImpl implements _ProgramWeekEntity {
+  const _$ProgramWeekEntityImpl({
+    required this.id,
+    required this.programId,
+    required this.position,
+    this.notes,
+  });
+
+  @override
+  final String id;
+  @override
+  final String programId;
+  @override
+  final int position;
+  @override
+  final String? notes;
+
+  @override
+  String toString() {
+    return 'ProgramWeekEntity(id: $id, programId: $programId, position: $position, notes: $notes)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ProgramWeekEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.programId, programId) ||
+                other.programId == programId) &&
+            (identical(other.position, position) ||
+                other.position == position) &&
+            (identical(other.notes, notes) || other.notes == notes));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, id, programId, position, notes);
+
+  /// Create a copy of ProgramWeekEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ProgramWeekEntityImplCopyWith<_$ProgramWeekEntityImpl> get copyWith =>
+      __$$ProgramWeekEntityImplCopyWithImpl<_$ProgramWeekEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _ProgramWeekEntity implements ProgramWeekEntity {
+  const factory _ProgramWeekEntity({
+    required final String id,
+    required final String programId,
+    required final int position,
+    final String? notes,
+  }) = _$ProgramWeekEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String get programId;
+  @override
+  int get position;
+  @override
+  String? get notes;
+
+  /// Create a copy of ProgramWeekEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ProgramWeekEntityImplCopyWith<_$ProgramWeekEntityImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/domain/entities/program_workout.dart

@@ -0,0 +1,18 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'program_workout.freezed.dart';
+
+@freezed
+class ProgramWorkoutEntity with _$ProgramWorkoutEntity {
+  const factory ProgramWorkoutEntity({
+    required String id,
+    required String weekId,
+    required String programId,
+    required String day,
+    required String type,
+    String? refId,
+    String? name,
+    String? description,
+    @Default(false) bool completed,
+  }) = _ProgramWorkoutEntity;
+}

lib/domain/entities/program_workout.freezed.dart

@@ -0,0 +1,342 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'program_workout.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$ProgramWorkoutEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get weekId => throw _privateConstructorUsedError;
+  String get programId => throw _privateConstructorUsedError;
+  String get day => throw _privateConstructorUsedError;
+  String get type => throw _privateConstructorUsedError;
+  String? get refId => throw _privateConstructorUsedError;
+  String? get name => throw _privateConstructorUsedError;
+  String? get description => throw _privateConstructorUsedError;
+  bool get completed => throw _privateConstructorUsedError;
+
+  /// Create a copy of ProgramWorkoutEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $ProgramWorkoutEntityCopyWith<ProgramWorkoutEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ProgramWorkoutEntityCopyWith<$Res> {
+  factory $ProgramWorkoutEntityCopyWith(
+    ProgramWorkoutEntity value,
+    $Res Function(ProgramWorkoutEntity) then,
+  ) = _$ProgramWorkoutEntityCopyWithImpl<$Res, ProgramWorkoutEntity>;
+  @useResult
+  $Res call({
+    String id,
+    String weekId,
+    String programId,
+    String day,
+    String type,
+    String? refId,
+    String? name,
+    String? description,
+    bool completed,
+  });
+}
+
+/// @nodoc
+class _$ProgramWorkoutEntityCopyWithImpl<
+  $Res,
+  $Val extends ProgramWorkoutEntity
+>
+    implements $ProgramWorkoutEntityCopyWith<$Res> {
+  _$ProgramWorkoutEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of ProgramWorkoutEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? weekId = null,
+    Object? programId = null,
+    Object? day = null,
+    Object? type = null,
+    Object? refId = freezed,
+    Object? name = freezed,
+    Object? description = freezed,
+    Object? completed = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            weekId: null == weekId
+                ? _value.weekId
+                : weekId // ignore: cast_nullable_to_non_nullable
+                      as String,
+            programId: null == programId
+                ? _value.programId
+                : programId // ignore: cast_nullable_to_non_nullable
+                      as String,
+            day: null == day
+                ? _value.day
+                : day // ignore: cast_nullable_to_non_nullable
+                      as String,
+            type: null == type
+                ? _value.type
+                : type // ignore: cast_nullable_to_non_nullable
+                      as String,
+            refId: freezed == refId
+                ? _value.refId
+                : refId // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            name: freezed == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            description: freezed == description
+                ? _value.description
+                : description // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            completed: null == completed
+                ? _value.completed
+                : completed // ignore: cast_nullable_to_non_nullable
+                      as bool,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$ProgramWorkoutEntityImplCopyWith<$Res>
+    implements $ProgramWorkoutEntityCopyWith<$Res> {
+  factory _$$ProgramWorkoutEntityImplCopyWith(
+    _$ProgramWorkoutEntityImpl value,
+    $Res Function(_$ProgramWorkoutEntityImpl) then,
+  ) = __$$ProgramWorkoutEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    String id,
+    String weekId,
+    String programId,
+    String day,
+    String type,
+    String? refId,
+    String? name,
+    String? description,
+    bool completed,
+  });
+}
+
+/// @nodoc
+class __$$ProgramWorkoutEntityImplCopyWithImpl<$Res>
+    extends _$ProgramWorkoutEntityCopyWithImpl<$Res, _$ProgramWorkoutEntityImpl>
+    implements _$$ProgramWorkoutEntityImplCopyWith<$Res> {
+  __$$ProgramWorkoutEntityImplCopyWithImpl(
+    _$ProgramWorkoutEntityImpl _value,
+    $Res Function(_$ProgramWorkoutEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of ProgramWorkoutEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? weekId = null,
+    Object? programId = null,
+    Object? day = null,
+    Object? type = null,
+    Object? refId = freezed,
+    Object? name = freezed,
+    Object? description = freezed,
+    Object? completed = null,
+  }) {
+    return _then(
+      _$ProgramWorkoutEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        weekId: null == weekId
+            ? _value.weekId
+            : weekId // ignore: cast_nullable_to_non_nullable
+                  as String,
+        programId: null == programId
+            ? _value.programId
+            : programId // ignore: cast_nullable_to_non_nullable
+                  as String,
+        day: null == day
+            ? _value.day
+            : day // ignore: cast_nullable_to_non_nullable
+                  as String,
+        type: null == type
+            ? _value.type
+            : type // ignore: cast_nullable_to_non_nullable
+                  as String,
+        refId: freezed == refId
+            ? _value.refId
+            : refId // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        name: freezed == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        description: freezed == description
+            ? _value.description
+            : description // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        completed: null == completed
+            ? _value.completed
+            : completed // ignore: cast_nullable_to_non_nullable
+                  as bool,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$ProgramWorkoutEntityImpl implements _ProgramWorkoutEntity {
+  const _$ProgramWorkoutEntityImpl({
+    required this.id,
+    required this.weekId,
+    required this.programId,
+    required this.day,
+    required this.type,
+    this.refId,
+    this.name,
+    this.description,
+    this.completed = false,
+  });
+
+  @override
+  final String id;
+  @override
+  final String weekId;
+  @override
+  final String programId;
+  @override
+  final String day;
+  @override
+  final String type;
+  @override
+  final String? refId;
+  @override
+  final String? name;
+  @override
+  final String? description;
+  @override
+  @JsonKey()
+  final bool completed;
+
+  @override
+  String toString() {
+    return 'ProgramWorkoutEntity(id: $id, weekId: $weekId, programId: $programId, day: $day, type: $type, refId: $refId, name: $name, description: $description, completed: $completed)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ProgramWorkoutEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.weekId, weekId) || other.weekId == weekId) &&
+            (identical(other.programId, programId) ||
+                other.programId == programId) &&
+            (identical(other.day, day) || other.day == day) &&
+            (identical(other.type, type) || other.type == type) &&
+            (identical(other.refId, refId) || other.refId == refId) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.description, description) ||
+                other.description == description) &&
+            (identical(other.completed, completed) ||
+                other.completed == completed));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    id,
+    weekId,
+    programId,
+    day,
+    type,
+    refId,
+    name,
+    description,
+    completed,
+  );
+
+  /// Create a copy of ProgramWorkoutEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ProgramWorkoutEntityImplCopyWith<_$ProgramWorkoutEntityImpl>
+  get copyWith =>
+      __$$ProgramWorkoutEntityImplCopyWithImpl<_$ProgramWorkoutEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _ProgramWorkoutEntity implements ProgramWorkoutEntity {
+  const factory _ProgramWorkoutEntity({
+    required final String id,
+    required final String weekId,
+    required final String programId,
+    required final String day,
+    required final String type,
+    final String? refId,
+    final String? name,
+    final String? description,
+    final bool completed,
+  }) = _$ProgramWorkoutEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String get weekId;
+  @override
+  String get programId;
+  @override
+  String get day;
+  @override
+  String get type;
+  @override
+  String? get refId;
+  @override
+  String? get name;
+  @override
+  String? get description;
+  @override
+  bool get completed;
+
+  /// Create a copy of ProgramWorkoutEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ProgramWorkoutEntityImplCopyWith<_$ProgramWorkoutEntityImpl>
+  get copyWith => throw _privateConstructorUsedError;
+}

lib/domain/entities/training_exercise.dart

@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'training_exercise.freezed.dart';
+
+@freezed
+class TrainingExerciseEntity with _$TrainingExerciseEntity {
+  const factory TrainingExerciseEntity({
+    required String instanceId,
+    required String exerciseId,
+    required String name,
+    @Default(3) int sets,
+    @Default(10) int value,
+    @Default(false) bool isTime,
+    @Default(60) int rest,
+  }) = _TrainingExerciseEntity;
+}

lib/domain/entities/training_exercise.freezed.dart

@@ -0,0 +1,303 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'training_exercise.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$TrainingExerciseEntity {
+  String get instanceId => throw _privateConstructorUsedError;
+  String get exerciseId => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  int get sets => throw _privateConstructorUsedError;
+  int get value => throw _privateConstructorUsedError;
+  bool get isTime => throw _privateConstructorUsedError;
+  int get rest => throw _privateConstructorUsedError;
+
+  /// Create a copy of TrainingExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $TrainingExerciseEntityCopyWith<TrainingExerciseEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $TrainingExerciseEntityCopyWith<$Res> {
+  factory $TrainingExerciseEntityCopyWith(
+    TrainingExerciseEntity value,
+    $Res Function(TrainingExerciseEntity) then,
+  ) = _$TrainingExerciseEntityCopyWithImpl<$Res, TrainingExerciseEntity>;
+  @useResult
+  $Res call({
+    String instanceId,
+    String exerciseId,
+    String name,
+    int sets,
+    int value,
+    bool isTime,
+    int rest,
+  });
+}
+
+/// @nodoc
+class _$TrainingExerciseEntityCopyWithImpl<
+  $Res,
+  $Val extends TrainingExerciseEntity
+>
+    implements $TrainingExerciseEntityCopyWith<$Res> {
+  _$TrainingExerciseEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of TrainingExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? instanceId = null,
+    Object? exerciseId = null,
+    Object? name = null,
+    Object? sets = null,
+    Object? value = null,
+    Object? isTime = null,
+    Object? rest = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            instanceId: null == instanceId
+                ? _value.instanceId
+                : instanceId // ignore: cast_nullable_to_non_nullable
+                      as String,
+            exerciseId: null == exerciseId
+                ? _value.exerciseId
+                : exerciseId // ignore: cast_nullable_to_non_nullable
+                      as String,
+            name: null == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String,
+            sets: null == sets
+                ? _value.sets
+                : sets // ignore: cast_nullable_to_non_nullable
+                      as int,
+            value: null == value
+                ? _value.value
+                : value // ignore: cast_nullable_to_non_nullable
+                      as int,
+            isTime: null == isTime
+                ? _value.isTime
+                : isTime // ignore: cast_nullable_to_non_nullable
+                      as bool,
+            rest: null == rest
+                ? _value.rest
+                : rest // ignore: cast_nullable_to_non_nullable
+                      as int,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$TrainingExerciseEntityImplCopyWith<$Res>
+    implements $TrainingExerciseEntityCopyWith<$Res> {
+  factory _$$TrainingExerciseEntityImplCopyWith(
+    _$TrainingExerciseEntityImpl value,
+    $Res Function(_$TrainingExerciseEntityImpl) then,
+  ) = __$$TrainingExerciseEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    String instanceId,
+    String exerciseId,
+    String name,
+    int sets,
+    int value,
+    bool isTime,
+    int rest,
+  });
+}
+
+/// @nodoc
+class __$$TrainingExerciseEntityImplCopyWithImpl<$Res>
+    extends
+        _$TrainingExerciseEntityCopyWithImpl<$Res, _$TrainingExerciseEntityImpl>
+    implements _$$TrainingExerciseEntityImplCopyWith<$Res> {
+  __$$TrainingExerciseEntityImplCopyWithImpl(
+    _$TrainingExerciseEntityImpl _value,
+    $Res Function(_$TrainingExerciseEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of TrainingExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? instanceId = null,
+    Object? exerciseId = null,
+    Object? name = null,
+    Object? sets = null,
+    Object? value = null,
+    Object? isTime = null,
+    Object? rest = null,
+  }) {
+    return _then(
+      _$TrainingExerciseEntityImpl(
+        instanceId: null == instanceId
+            ? _value.instanceId
+            : instanceId // ignore: cast_nullable_to_non_nullable
+                  as String,
+        exerciseId: null == exerciseId
+            ? _value.exerciseId
+            : exerciseId // ignore: cast_nullable_to_non_nullable
+                  as String,
+        name: null == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String,
+        sets: null == sets
+            ? _value.sets
+            : sets // ignore: cast_nullable_to_non_nullable
+                  as int,
+        value: null == value
+            ? _value.value
+            : value // ignore: cast_nullable_to_non_nullable
+                  as int,
+        isTime: null == isTime
+            ? _value.isTime
+            : isTime // ignore: cast_nullable_to_non_nullable
+                  as bool,
+        rest: null == rest
+            ? _value.rest
+            : rest // ignore: cast_nullable_to_non_nullable
+                  as int,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$TrainingExerciseEntityImpl implements _TrainingExerciseEntity {
+  const _$TrainingExerciseEntityImpl({
+    required this.instanceId,
+    required this.exerciseId,
+    required this.name,
+    this.sets = 3,
+    this.value = 10,
+    this.isTime = false,
+    this.rest = 60,
+  });
+
+  @override
+  final String instanceId;
+  @override
+  final String exerciseId;
+  @override
+  final String name;
+  @override
+  @JsonKey()
+  final int sets;
+  @override
+  @JsonKey()
+  final int value;
+  @override
+  @JsonKey()
+  final bool isTime;
+  @override
+  @JsonKey()
+  final int rest;
+
+  @override
+  String toString() {
+    return 'TrainingExerciseEntity(instanceId: $instanceId, exerciseId: $exerciseId, name: $name, sets: $sets, value: $value, isTime: $isTime, rest: $rest)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$TrainingExerciseEntityImpl &&
+            (identical(other.instanceId, instanceId) ||
+                other.instanceId == instanceId) &&
+            (identical(other.exerciseId, exerciseId) ||
+                other.exerciseId == exerciseId) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.sets, sets) || other.sets == sets) &&
+            (identical(other.value, value) || other.value == value) &&
+            (identical(other.isTime, isTime) || other.isTime == isTime) &&
+            (identical(other.rest, rest) || other.rest == rest));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    instanceId,
+    exerciseId,
+    name,
+    sets,
+    value,
+    isTime,
+    rest,
+  );
+
+  /// Create a copy of TrainingExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$TrainingExerciseEntityImplCopyWith<_$TrainingExerciseEntityImpl>
+  get copyWith =>
+      __$$TrainingExerciseEntityImplCopyWithImpl<_$TrainingExerciseEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _TrainingExerciseEntity implements TrainingExerciseEntity {
+  const factory _TrainingExerciseEntity({
+    required final String instanceId,
+    required final String exerciseId,
+    required final String name,
+    final int sets,
+    final int value,
+    final bool isTime,
+    final int rest,
+  }) = _$TrainingExerciseEntityImpl;
+
+  @override
+  String get instanceId;
+  @override
+  String get exerciseId;
+  @override
+  String get name;
+  @override
+  int get sets;
+  @override
+  int get value;
+  @override
+  bool get isTime;
+  @override
+  int get rest;
+
+  /// Create a copy of TrainingExerciseEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$TrainingExerciseEntityImplCopyWith<_$TrainingExerciseEntityImpl>
+  get copyWith => throw _privateConstructorUsedError;
+}

lib/domain/entities/training_plan.dart

@@ -0,0 +1,18 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/training_section.dart';
+
+part 'training_plan.freezed.dart';
+
+@freezed
+class TrainingPlanEntity with _$TrainingPlanEntity {
+  const factory TrainingPlanEntity({
+    required String id,
+    required String name,
+    @Default([]) List<TrainingSectionEntity> sections,
+  }) = _TrainingPlanEntity;
+
+  const TrainingPlanEntity._();
+
+  int get totalExercises =>
+      sections.fold(0, (sum, s) => sum + s.exercises.length);
+}

lib/domain/entities/training_plan.freezed.dart

@@ -0,0 +1,201 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'training_plan.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$TrainingPlanEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  List<TrainingSectionEntity> get sections =>
+      throw _privateConstructorUsedError;
+
+  /// Create a copy of TrainingPlanEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $TrainingPlanEntityCopyWith<TrainingPlanEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $TrainingPlanEntityCopyWith<$Res> {
+  factory $TrainingPlanEntityCopyWith(
+    TrainingPlanEntity value,
+    $Res Function(TrainingPlanEntity) then,
+  ) = _$TrainingPlanEntityCopyWithImpl<$Res, TrainingPlanEntity>;
+  @useResult
+  $Res call({String id, String name, List<TrainingSectionEntity> sections});
+}
+
+/// @nodoc
+class _$TrainingPlanEntityCopyWithImpl<$Res, $Val extends TrainingPlanEntity>
+    implements $TrainingPlanEntityCopyWith<$Res> {
+  _$TrainingPlanEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of TrainingPlanEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? id = null, Object? name = null, Object? sections = null}) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            name: null == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String,
+            sections: null == sections
+                ? _value.sections
+                : sections // ignore: cast_nullable_to_non_nullable
+                      as List<TrainingSectionEntity>,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$TrainingPlanEntityImplCopyWith<$Res>
+    implements $TrainingPlanEntityCopyWith<$Res> {
+  factory _$$TrainingPlanEntityImplCopyWith(
+    _$TrainingPlanEntityImpl value,
+    $Res Function(_$TrainingPlanEntityImpl) then,
+  ) = __$$TrainingPlanEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({String id, String name, List<TrainingSectionEntity> sections});
+}
+
+/// @nodoc
+class __$$TrainingPlanEntityImplCopyWithImpl<$Res>
+    extends _$TrainingPlanEntityCopyWithImpl<$Res, _$TrainingPlanEntityImpl>
+    implements _$$TrainingPlanEntityImplCopyWith<$Res> {
+  __$$TrainingPlanEntityImplCopyWithImpl(
+    _$TrainingPlanEntityImpl _value,
+    $Res Function(_$TrainingPlanEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of TrainingPlanEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? id = null, Object? name = null, Object? sections = null}) {
+    return _then(
+      _$TrainingPlanEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        name: null == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String,
+        sections: null == sections
+            ? _value._sections
+            : sections // ignore: cast_nullable_to_non_nullable
+                  as List<TrainingSectionEntity>,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$TrainingPlanEntityImpl extends _TrainingPlanEntity {
+  const _$TrainingPlanEntityImpl({
+    required this.id,
+    required this.name,
+    final List<TrainingSectionEntity> sections = const [],
+  }) : _sections = sections,
+       super._();
+
+  @override
+  final String id;
+  @override
+  final String name;
+  final List<TrainingSectionEntity> _sections;
+  @override
+  @JsonKey()
+  List<TrainingSectionEntity> get sections {
+    if (_sections is EqualUnmodifiableListView) return _sections;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_sections);
+  }
+
+  @override
+  String toString() {
+    return 'TrainingPlanEntity(id: $id, name: $name, sections: $sections)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$TrainingPlanEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.name, name) || other.name == name) &&
+            const DeepCollectionEquality().equals(other._sections, _sections));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    id,
+    name,
+    const DeepCollectionEquality().hash(_sections),
+  );
+
+  /// Create a copy of TrainingPlanEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$TrainingPlanEntityImplCopyWith<_$TrainingPlanEntityImpl> get copyWith =>
+      __$$TrainingPlanEntityImplCopyWithImpl<_$TrainingPlanEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _TrainingPlanEntity extends TrainingPlanEntity {
+  const factory _TrainingPlanEntity({
+    required final String id,
+    required final String name,
+    final List<TrainingSectionEntity> sections,
+  }) = _$TrainingPlanEntityImpl;
+  const _TrainingPlanEntity._() : super._();
+
+  @override
+  String get id;
+  @override
+  String get name;
+  @override
+  List<TrainingSectionEntity> get sections;
+
+  /// Create a copy of TrainingPlanEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$TrainingPlanEntityImplCopyWith<_$TrainingPlanEntityImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/domain/entities/training_section.dart

@@ -0,0 +1,13 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/training_exercise.dart';
+
+part 'training_section.freezed.dart';
+
+@freezed
+class TrainingSectionEntity with _$TrainingSectionEntity {
+  const factory TrainingSectionEntity({
+    required String id,
+    required String name,
+    @Default([]) List<TrainingExerciseEntity> exercises,
+  }) = _TrainingSectionEntity;
+}

lib/domain/entities/training_section.freezed.dart

@@ -0,0 +1,215 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'training_section.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$TrainingSectionEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  List<TrainingExerciseEntity> get exercises =>
+      throw _privateConstructorUsedError;
+
+  /// Create a copy of TrainingSectionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $TrainingSectionEntityCopyWith<TrainingSectionEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $TrainingSectionEntityCopyWith<$Res> {
+  factory $TrainingSectionEntityCopyWith(
+    TrainingSectionEntity value,
+    $Res Function(TrainingSectionEntity) then,
+  ) = _$TrainingSectionEntityCopyWithImpl<$Res, TrainingSectionEntity>;
+  @useResult
+  $Res call({String id, String name, List<TrainingExerciseEntity> exercises});
+}
+
+/// @nodoc
+class _$TrainingSectionEntityCopyWithImpl<
+  $Res,
+  $Val extends TrainingSectionEntity
+>
+    implements $TrainingSectionEntityCopyWith<$Res> {
+  _$TrainingSectionEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of TrainingSectionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? exercises = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            name: null == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String,
+            exercises: null == exercises
+                ? _value.exercises
+                : exercises // ignore: cast_nullable_to_non_nullable
+                      as List<TrainingExerciseEntity>,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$TrainingSectionEntityImplCopyWith<$Res>
+    implements $TrainingSectionEntityCopyWith<$Res> {
+  factory _$$TrainingSectionEntityImplCopyWith(
+    _$TrainingSectionEntityImpl value,
+    $Res Function(_$TrainingSectionEntityImpl) then,
+  ) = __$$TrainingSectionEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({String id, String name, List<TrainingExerciseEntity> exercises});
+}
+
+/// @nodoc
+class __$$TrainingSectionEntityImplCopyWithImpl<$Res>
+    extends
+        _$TrainingSectionEntityCopyWithImpl<$Res, _$TrainingSectionEntityImpl>
+    implements _$$TrainingSectionEntityImplCopyWith<$Res> {
+  __$$TrainingSectionEntityImplCopyWithImpl(
+    _$TrainingSectionEntityImpl _value,
+    $Res Function(_$TrainingSectionEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of TrainingSectionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? exercises = null,
+  }) {
+    return _then(
+      _$TrainingSectionEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        name: null == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String,
+        exercises: null == exercises
+            ? _value._exercises
+            : exercises // ignore: cast_nullable_to_non_nullable
+                  as List<TrainingExerciseEntity>,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$TrainingSectionEntityImpl implements _TrainingSectionEntity {
+  const _$TrainingSectionEntityImpl({
+    required this.id,
+    required this.name,
+    final List<TrainingExerciseEntity> exercises = const [],
+  }) : _exercises = exercises;
+
+  @override
+  final String id;
+  @override
+  final String name;
+  final List<TrainingExerciseEntity> _exercises;
+  @override
+  @JsonKey()
+  List<TrainingExerciseEntity> get exercises {
+    if (_exercises is EqualUnmodifiableListView) return _exercises;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_exercises);
+  }
+
+  @override
+  String toString() {
+    return 'TrainingSectionEntity(id: $id, name: $name, exercises: $exercises)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$TrainingSectionEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.name, name) || other.name == name) &&
+            const DeepCollectionEquality().equals(
+              other._exercises,
+              _exercises,
+            ));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    id,
+    name,
+    const DeepCollectionEquality().hash(_exercises),
+  );
+
+  /// Create a copy of TrainingSectionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$TrainingSectionEntityImplCopyWith<_$TrainingSectionEntityImpl>
+  get copyWith =>
+      __$$TrainingSectionEntityImplCopyWithImpl<_$TrainingSectionEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _TrainingSectionEntity implements TrainingSectionEntity {
+  const factory _TrainingSectionEntity({
+    required final String id,
+    required final String name,
+    final List<TrainingExerciseEntity> exercises,
+  }) = _$TrainingSectionEntityImpl;
+
+  @override
+  String get id;
+  @override
+  String get name;
+  @override
+  List<TrainingExerciseEntity> get exercises;
+
+  /// Create a copy of TrainingSectionEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$TrainingSectionEntityImplCopyWith<_$TrainingSectionEntityImpl>
+  get copyWith => throw _privateConstructorUsedError;
+}

lib/domain/entities/workout_activity.dart

@@ -0,0 +1,24 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/training_exercise.dart';
+
+part 'workout_activity.freezed.dart';
+
+@freezed
+class WorkoutActivityEntity with _$WorkoutActivityEntity {
+  const factory WorkoutActivityEntity({
+    required String id,
+    required String name,
+    required String type,
+    required int duration,
+    TrainingExerciseEntity? originalExercise,
+    String? sectionName,
+    int? setIndex,
+    int? totalSets,
+  }) = _WorkoutActivityEntity;
+
+  const WorkoutActivityEntity._();
+
+  bool get isRest => type == 'rest';
+  bool get isWork => type == 'work';
+  bool get isTimeBased => duration > 0;
+}

lib/domain/entities/workout_activity.freezed.dart

@@ -0,0 +1,346 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'workout_activity.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$WorkoutActivityEntity {
+  String get id => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  String get type => throw _privateConstructorUsedError;
+  int get duration => throw _privateConstructorUsedError;
+  TrainingExerciseEntity? get originalExercise =>
+      throw _privateConstructorUsedError;
+  String? get sectionName => throw _privateConstructorUsedError;
+  int? get setIndex => throw _privateConstructorUsedError;
+  int? get totalSets => throw _privateConstructorUsedError;
+
+  /// Create a copy of WorkoutActivityEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $WorkoutActivityEntityCopyWith<WorkoutActivityEntity> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $WorkoutActivityEntityCopyWith<$Res> {
+  factory $WorkoutActivityEntityCopyWith(
+    WorkoutActivityEntity value,
+    $Res Function(WorkoutActivityEntity) then,
+  ) = _$WorkoutActivityEntityCopyWithImpl<$Res, WorkoutActivityEntity>;
+  @useResult
+  $Res call({
+    String id,
+    String name,
+    String type,
+    int duration,
+    TrainingExerciseEntity? originalExercise,
+    String? sectionName,
+    int? setIndex,
+    int? totalSets,
+  });
+
+  $TrainingExerciseEntityCopyWith<$Res>? get originalExercise;
+}
+
+/// @nodoc
+class _$WorkoutActivityEntityCopyWithImpl<
+  $Res,
+  $Val extends WorkoutActivityEntity
+>
+    implements $WorkoutActivityEntityCopyWith<$Res> {
+  _$WorkoutActivityEntityCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of WorkoutActivityEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? type = null,
+    Object? duration = null,
+    Object? originalExercise = freezed,
+    Object? sectionName = freezed,
+    Object? setIndex = freezed,
+    Object? totalSets = freezed,
+  }) {
+    return _then(
+      _value.copyWith(
+            id: null == id
+                ? _value.id
+                : id // ignore: cast_nullable_to_non_nullable
+                      as String,
+            name: null == name
+                ? _value.name
+                : name // ignore: cast_nullable_to_non_nullable
+                      as String,
+            type: null == type
+                ? _value.type
+                : type // ignore: cast_nullable_to_non_nullable
+                      as String,
+            duration: null == duration
+                ? _value.duration
+                : duration // ignore: cast_nullable_to_non_nullable
+                      as int,
+            originalExercise: freezed == originalExercise
+                ? _value.originalExercise
+                : originalExercise // ignore: cast_nullable_to_non_nullable
+                      as TrainingExerciseEntity?,
+            sectionName: freezed == sectionName
+                ? _value.sectionName
+                : sectionName // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            setIndex: freezed == setIndex
+                ? _value.setIndex
+                : setIndex // ignore: cast_nullable_to_non_nullable
+                      as int?,
+            totalSets: freezed == totalSets
+                ? _value.totalSets
+                : totalSets // ignore: cast_nullable_to_non_nullable
+                      as int?,
+          )
+          as $Val,
+    );
+  }
+
+  /// Create a copy of WorkoutActivityEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @pragma('vm:prefer-inline')
+  $TrainingExerciseEntityCopyWith<$Res>? get originalExercise {
+    if (_value.originalExercise == null) {
+      return null;
+    }
+
+    return $TrainingExerciseEntityCopyWith<$Res>(_value.originalExercise!, (
+      value,
+    ) {
+      return _then(_value.copyWith(originalExercise: value) as $Val);
+    });
+  }
+}
+
+/// @nodoc
+abstract class _$$WorkoutActivityEntityImplCopyWith<$Res>
+    implements $WorkoutActivityEntityCopyWith<$Res> {
+  factory _$$WorkoutActivityEntityImplCopyWith(
+    _$WorkoutActivityEntityImpl value,
+    $Res Function(_$WorkoutActivityEntityImpl) then,
+  ) = __$$WorkoutActivityEntityImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    String id,
+    String name,
+    String type,
+    int duration,
+    TrainingExerciseEntity? originalExercise,
+    String? sectionName,
+    int? setIndex,
+    int? totalSets,
+  });
+
+  @override
+  $TrainingExerciseEntityCopyWith<$Res>? get originalExercise;
+}
+
+/// @nodoc
+class __$$WorkoutActivityEntityImplCopyWithImpl<$Res>
+    extends
+        _$WorkoutActivityEntityCopyWithImpl<$Res, _$WorkoutActivityEntityImpl>
+    implements _$$WorkoutActivityEntityImplCopyWith<$Res> {
+  __$$WorkoutActivityEntityImplCopyWithImpl(
+    _$WorkoutActivityEntityImpl _value,
+    $Res Function(_$WorkoutActivityEntityImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of WorkoutActivityEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? name = null,
+    Object? type = null,
+    Object? duration = null,
+    Object? originalExercise = freezed,
+    Object? sectionName = freezed,
+    Object? setIndex = freezed,
+    Object? totalSets = freezed,
+  }) {
+    return _then(
+      _$WorkoutActivityEntityImpl(
+        id: null == id
+            ? _value.id
+            : id // ignore: cast_nullable_to_non_nullable
+                  as String,
+        name: null == name
+            ? _value.name
+            : name // ignore: cast_nullable_to_non_nullable
+                  as String,
+        type: null == type
+            ? _value.type
+            : type // ignore: cast_nullable_to_non_nullable
+                  as String,
+        duration: null == duration
+            ? _value.duration
+            : duration // ignore: cast_nullable_to_non_nullable
+                  as int,
+        originalExercise: freezed == originalExercise
+            ? _value.originalExercise
+            : originalExercise // ignore: cast_nullable_to_non_nullable
+                  as TrainingExerciseEntity?,
+        sectionName: freezed == sectionName
+            ? _value.sectionName
+            : sectionName // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        setIndex: freezed == setIndex
+            ? _value.setIndex
+            : setIndex // ignore: cast_nullable_to_non_nullable
+                  as int?,
+        totalSets: freezed == totalSets
+            ? _value.totalSets
+            : totalSets // ignore: cast_nullable_to_non_nullable
+                  as int?,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$WorkoutActivityEntityImpl extends _WorkoutActivityEntity {
+  const _$WorkoutActivityEntityImpl({
+    required this.id,
+    required this.name,
+    required this.type,
+    required this.duration,
+    this.originalExercise,
+    this.sectionName,
+    this.setIndex,
+    this.totalSets,
+  }) : super._();
+
+  @override
+  final String id;
+  @override
+  final String name;
+  @override
+  final String type;
+  @override
+  final int duration;
+  @override
+  final TrainingExerciseEntity? originalExercise;
+  @override
+  final String? sectionName;
+  @override
+  final int? setIndex;
+  @override
+  final int? totalSets;
+
+  @override
+  String toString() {
+    return 'WorkoutActivityEntity(id: $id, name: $name, type: $type, duration: $duration, originalExercise: $originalExercise, sectionName: $sectionName, setIndex: $setIndex, totalSets: $totalSets)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$WorkoutActivityEntityImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.type, type) || other.type == type) &&
+            (identical(other.duration, duration) ||
+                other.duration == duration) &&
+            (identical(other.originalExercise, originalExercise) ||
+                other.originalExercise == originalExercise) &&
+            (identical(other.sectionName, sectionName) ||
+                other.sectionName == sectionName) &&
+            (identical(other.setIndex, setIndex) ||
+                other.setIndex == setIndex) &&
+            (identical(other.totalSets, totalSets) ||
+                other.totalSets == totalSets));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    id,
+    name,
+    type,
+    duration,
+    originalExercise,
+    sectionName,
+    setIndex,
+    totalSets,
+  );
+
+  /// Create a copy of WorkoutActivityEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$WorkoutActivityEntityImplCopyWith<_$WorkoutActivityEntityImpl>
+  get copyWith =>
+      __$$WorkoutActivityEntityImplCopyWithImpl<_$WorkoutActivityEntityImpl>(
+        this,
+        _$identity,
+      );
+}
+
+abstract class _WorkoutActivityEntity extends WorkoutActivityEntity {
+  const factory _WorkoutActivityEntity({
+    required final String id,
+    required final String name,
+    required final String type,
+    required final int duration,
+    final TrainingExerciseEntity? originalExercise,
+    final String? sectionName,
+    final int? setIndex,
+    final int? totalSets,
+  }) = _$WorkoutActivityEntityImpl;
+  const _WorkoutActivityEntity._() : super._();
+
+  @override
+  String get id;
+  @override
+  String get name;
+  @override
+  String get type;
+  @override
+  int get duration;
+  @override
+  TrainingExerciseEntity? get originalExercise;
+  @override
+  String? get sectionName;
+  @override
+  int? get setIndex;
+  @override
+  int? get totalSets;
+
+  /// Create a copy of WorkoutActivityEntity
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$WorkoutActivityEntityImplCopyWith<_$WorkoutActivityEntityImpl>
+  get copyWith => throw _privateConstructorUsedError;
+}

lib/domain/repositories/analysis_repository.dart

@@ -0,0 +1,19 @@
+import 'package:trainhub_flutter/domain/entities/analysis_session.dart';
+import 'package:trainhub_flutter/domain/entities/annotation.dart';
+
+abstract class AnalysisRepository {
+  Future<List<AnalysisSessionEntity>> getAllSessions();
+  Future<AnalysisSessionEntity?> getSession(String id);
+  Future<AnalysisSessionEntity> createSession(String name, String videoPath);
+  Future<void> deleteSession(String id);
+  Future<List<AnnotationEntity>> getAnnotations(String sessionId);
+  Future<AnnotationEntity> addAnnotation({
+    required String sessionId,
+    required String name,
+    required String description,
+    required double startTime,
+    required double endTime,
+    required String color,
+  });
+  Future<void> deleteAnnotation(String id);
+}

lib/domain/repositories/chat_repository.dart

@@ -0,0 +1,16 @@
+import 'package:trainhub_flutter/domain/entities/chat_session.dart';
+import 'package:trainhub_flutter/domain/entities/chat_message.dart';
+
+abstract class ChatRepository {
+  Future<List<ChatSessionEntity>> getAllSessions();
+  Future<ChatSessionEntity?> getSession(String id);
+  Future<ChatSessionEntity> createSession();
+  Future<void> deleteSession(String id);
+  Future<List<ChatMessageEntity>> getMessages(String sessionId);
+  Future<ChatMessageEntity> addMessage({
+    required String sessionId,
+    required String role,
+    required String content,
+  });
+  Future<void> updateSessionTitle(String sessionId, String title);
+}

lib/domain/repositories/exercise_repository.dart

@@ -0,0 +1,13 @@
+import 'package:trainhub_flutter/domain/entities/exercise.dart';
+
+abstract class ExerciseRepository {
+  Future<List<ExerciseEntity>> getAll();
+  Future<ExerciseEntity> create({
+    required String name,
+    String? instructions,
+    String? tags,
+    String? videoUrl,
+  });
+  Future<void> update(ExerciseEntity exercise);
+  Future<void> delete(String id);
+}

lib/domain/repositories/program_repository.dart

@@ -0,0 +1,20 @@
+import 'package:trainhub_flutter/domain/entities/program.dart';
+import 'package:trainhub_flutter/domain/entities/program_week.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+
+abstract class ProgramRepository {
+  Future<List<ProgramEntity>> getAllPrograms();
+  Future<ProgramEntity?> getProgram(String id);
+  Future<List<ProgramWeekEntity>> getWeeks(String programId);
+  Future<List<ProgramWorkoutEntity>> getWorkouts(String programId);
+  Future<ProgramEntity> createProgram(String name);
+  Future<void> deleteProgram(String id);
+  Future<void> duplicateProgram(String sourceId);
+  Future<ProgramWeekEntity> addWeek(String programId, int position);
+  Future<void> deleteWeek(String id);
+  Future<void> updateWeekNote(String weekId, String note);
+  Future<ProgramWorkoutEntity> addWorkout(ProgramWorkoutEntity workout);
+  Future<void> updateWorkout(ProgramWorkoutEntity workout);
+  Future<void> deleteWorkout(String id);
+  Future<void> toggleWorkoutComplete(String id, bool currentStatus);
+}

lib/domain/repositories/training_plan_repository.dart

@@ -0,0 +1,9 @@
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+
+abstract class TrainingPlanRepository {
+  Future<List<TrainingPlanEntity>> getAll();
+  Future<TrainingPlanEntity> getById(String id);
+  Future<TrainingPlanEntity> create(String name);
+  Future<void> update(TrainingPlanEntity plan);
+  Future<void> delete(String id);
+}

lib/injection.dart

@@ -0,0 +1,50 @@
+import 'package:get_it/get_it.dart';
+import 'package:trainhub_flutter/data/database/app_database.dart';
+import 'package:trainhub_flutter/data/database/daos/exercise_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/training_plan_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/program_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/analysis_dao.dart';
+import 'package:trainhub_flutter/data/database/daos/chat_dao.dart';
+import 'package:trainhub_flutter/domain/repositories/exercise_repository.dart';
+import 'package:trainhub_flutter/domain/repositories/training_plan_repository.dart';
+import 'package:trainhub_flutter/domain/repositories/program_repository.dart';
+import 'package:trainhub_flutter/domain/repositories/analysis_repository.dart';
+import 'package:trainhub_flutter/domain/repositories/chat_repository.dart';
+import 'package:trainhub_flutter/data/repositories/exercise_repository_impl.dart';
+import 'package:trainhub_flutter/data/repositories/training_plan_repository_impl.dart';
+import 'package:trainhub_flutter/data/repositories/program_repository_impl.dart';
+import 'package:trainhub_flutter/data/repositories/analysis_repository_impl.dart';
+import 'package:trainhub_flutter/data/repositories/chat_repository_impl.dart';
+
+final GetIt getIt = GetIt.instance;
+
+void init() {
+  // Database
+  getIt.registerSingleton<AppDatabase>(AppDatabase());
+
+  // DAOs
+  getIt.registerSingleton<ExerciseDao>(ExerciseDao(getIt<AppDatabase>()));
+  getIt.registerSingleton<TrainingPlanDao>(
+    TrainingPlanDao(getIt<AppDatabase>()),
+  );
+  getIt.registerSingleton<ProgramDao>(ProgramDao(getIt<AppDatabase>()));
+  getIt.registerSingleton<AnalysisDao>(AnalysisDao(getIt<AppDatabase>()));
+  getIt.registerSingleton<ChatDao>(ChatDao(getIt<AppDatabase>()));
+
+  // Repositories
+  getIt.registerLazySingleton<ExerciseRepository>(
+    () => ExerciseRepositoryImpl(getIt<ExerciseDao>()),
+  );
+  getIt.registerLazySingleton<TrainingPlanRepository>(
+    () => TrainingPlanRepositoryImpl(getIt<TrainingPlanDao>()),
+  );
+  getIt.registerLazySingleton<ProgramRepository>(
+    () => ProgramRepositoryImpl(getIt<ProgramDao>()),
+  );
+  getIt.registerLazySingleton<AnalysisRepository>(
+    () => AnalysisRepositoryImpl(getIt<AnalysisDao>()),
+  );
+  getIt.registerLazySingleton<ChatRepository>(
+    () => ChatRepositoryImpl(getIt<ChatDao>()),
+  );
+}

lib/main.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:window_manager/window_manager.dart';
+import 'package:trainhub_flutter/core/router/app_router.dart';
+import 'package:trainhub_flutter/core/theme/app_theme.dart';
+import 'package:trainhub_flutter/injection.dart' as di;
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await windowManager.ensureInitialized();
+
+  // Initialize dependency injection
+  di.init();
+
+  WindowOptions windowOptions = const WindowOptions(
+    size: Size(1280, 800),
+    minimumSize: Size(800, 600),
+    center: true,
+    backgroundColor: Colors.transparent,
+    skipTaskbar: false,
+    titleBarStyle: TitleBarStyle.normal,
+    title: 'TrainHub',
+  );
+
+  windowManager.waitUntilReadyToShow(windowOptions, () async {
+    await windowManager.show();
+    await windowManager.focus();
+  });
+
+  runApp(const ProviderScope(child: TrainHubApp()));
+}
+
+class TrainHubApp extends StatelessWidget {
+  const TrainHubApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final appRouter = AppRouter();
+
+    return MaterialApp.router(
+      title: 'TrainHub',
+      theme: AppTheme.dark,
+      routerConfig: appRouter.config(),
+      debugShowCheckedModeBanner: false,
+    );
+  }
+}

lib/models/training_models.dart

@@ -0,0 +1,107 @@
+class TrainingPlanModel {
+  String id;
+  String name;
+  List<TrainingSectionModel> sections;
+
+  TrainingPlanModel({
+    required this.id,
+    required this.name,
+    required this.sections,
+  });
+
+  factory TrainingPlanModel.fromJson(Map<String, dynamic> json) {
+    return TrainingPlanModel(
+      id: json['id'] ?? '',
+      name: json['name'] ?? '',
+      sections:
+          (json['sections'] as List<dynamic>?)
+              ?.map((e) => TrainingSectionModel.fromJson(e))
+              .toList() ??
+          [],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'name': name,
+      'sections': sections.map((e) => e.toJson()).toList(),
+    };
+  }
+}
+
+class TrainingSectionModel {
+  String id;
+  String name;
+  List<TrainingExerciseModel> exercises;
+
+  TrainingSectionModel({
+    required this.id,
+    required this.name,
+    required this.exercises,
+  });
+
+  factory TrainingSectionModel.fromJson(Map<String, dynamic> json) {
+    return TrainingSectionModel(
+      id: json['id'] ?? '',
+      name: json['name'] ?? '',
+      exercises:
+          (json['exercises'] as List<dynamic>?)
+              ?.map((e) => TrainingExerciseModel.fromJson(e))
+              .toList() ??
+          [],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'name': name,
+      'exercises': exercises.map((e) => e.toJson()).toList(),
+    };
+  }
+}
+
+class TrainingExerciseModel {
+  String instanceId;
+  String exerciseId;
+  String name;
+  int sets;
+  int value; // Reps or Seconds
+  bool isTime;
+  int rest;
+
+  TrainingExerciseModel({
+    required this.instanceId,
+    required this.exerciseId,
+    required this.name,
+    required this.sets,
+    required this.value,
+    required this.isTime,
+    required this.rest,
+  });
+
+  factory TrainingExerciseModel.fromJson(Map<String, dynamic> json) {
+    return TrainingExerciseModel(
+      instanceId: json['instanceId'] ?? '',
+      exerciseId: json['exerciseId'] ?? '',
+      name: json['name'] ?? '',
+      sets: json['sets'] ?? 3,
+      value: json['value'] ?? 10,
+      isTime: json['isTime'] ?? false,
+      rest: json['rest'] ?? 60,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'instanceId': instanceId,
+      'exerciseId': exerciseId,
+      'name': name,
+      'sets': sets,
+      'value': value,
+      'isTime': isTime,
+      'rest': rest,
+    };
+  }
+}

lib/presentation/analysis/analysis_controller.dart

@@ -0,0 +1,87 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:trainhub_flutter/injection.dart';
+import 'package:trainhub_flutter/domain/repositories/analysis_repository.dart';
+import 'package:trainhub_flutter/presentation/analysis/analysis_state.dart';
+
+part 'analysis_controller.g.dart';
+
+@riverpod
+class AnalysisController extends _$AnalysisController {
+  late final AnalysisRepository _repo;
+
+  @override
+  Future<AnalysisState> build() async {
+    _repo = getIt<AnalysisRepository>();
+    final sessions = await _repo.getAllSessions();
+    return AnalysisState(sessions: sessions);
+  }
+
+  Future<void> createSession(String name, String videoPath) async {
+    final session = await _repo.createSession(name, videoPath);
+    final sessions = await _repo.getAllSessions();
+    final annotations = await _repo.getAnnotations(session.id);
+    state = AsyncValue.data(
+      AnalysisState(
+        sessions: sessions,
+        activeSession: session,
+        annotations: annotations,
+      ),
+    );
+  }
+
+  Future<void> loadSession(String id) async {
+    final session = await _repo.getSession(id);
+    if (session == null) return;
+    final annotations = await _repo.getAnnotations(id);
+    final current = state.valueOrNull ?? const AnalysisState();
+    state = AsyncValue.data(
+      current.copyWith(
+        activeSession: session,
+        annotations: annotations,
+      ),
+    );
+  }
+
+  Future<void> deleteSession(String id) async {
+    await _repo.deleteSession(id);
+    final sessions = await _repo.getAllSessions();
+    final current = state.valueOrNull ?? const AnalysisState();
+    state = AsyncValue.data(
+      current.copyWith(
+        sessions: sessions,
+        activeSession:
+            current.activeSession?.id == id ? null : current.activeSession,
+        annotations: current.activeSession?.id == id ? [] : current.annotations,
+      ),
+    );
+  }
+
+  Future<void> addAnnotation({
+    required String name,
+    required String description,
+    required double startTime,
+    required double endTime,
+    required String color,
+  }) async {
+    final current = state.valueOrNull;
+    if (current?.activeSession == null) return;
+    await _repo.addAnnotation(
+      sessionId: current!.activeSession!.id,
+      name: name,
+      description: description,
+      startTime: startTime,
+      endTime: endTime,
+      color: color,
+    );
+    final annotations = await _repo.getAnnotations(current.activeSession!.id);
+    state = AsyncValue.data(current.copyWith(annotations: annotations));
+  }
+
+  Future<void> deleteAnnotation(String id) async {
+    await _repo.deleteAnnotation(id);
+    final current = state.valueOrNull;
+    if (current?.activeSession == null) return;
+    final annotations = await _repo.getAnnotations(current!.activeSession!.id);
+    state = AsyncValue.data(current.copyWith(annotations: annotations));
+  }
+}

lib/presentation/analysis/analysis_controller.g.dart

@@ -0,0 +1,30 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'analysis_controller.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$analysisControllerHash() =>
+    r'855d4ab55b8dc398e10c19d0ed245a60f104feed';
+
+/// See also [AnalysisController].
+@ProviderFor(AnalysisController)
+final analysisControllerProvider =
+    AutoDisposeAsyncNotifierProvider<
+      AnalysisController,
+      AnalysisState
+    >.internal(
+      AnalysisController.new,
+      name: r'analysisControllerProvider',
+      debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+          ? null
+          : _$analysisControllerHash,
+      dependencies: null,
+      allTransitiveDependencies: null,
+    );
+
+typedef _$AnalysisController = AutoDisposeAsyncNotifier<AnalysisState>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/presentation/analysis/analysis_page.dart

@@ -0,0 +1,232 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:file_picker/file_picker.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/presentation/analysis/analysis_controller.dart';
+import 'package:trainhub_flutter/presentation/analysis/widgets/analysis_session_list.dart';
+import 'package:trainhub_flutter/presentation/analysis/widgets/analysis_viewer.dart';
+import 'package:trainhub_flutter/presentation/common/widgets/app_empty_state.dart';
+
+@RoutePage()
+class AnalysisPage extends ConsumerWidget {
+  const AnalysisPage({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final state = ref.watch(analysisControllerProvider);
+    final controller = ref.read(analysisControllerProvider.notifier);
+
+    return state.when(
+      data: (data) {
+        if (data.activeSession != null) {
+          return AnalysisViewer(
+            session: data.activeSession!,
+            annotations: data.annotations,
+            onClose: () {
+              ref.invalidate(analysisControllerProvider);
+            },
+          );
+        }
+        return Column(
+          children: [
+            // Header toolbar
+            Container(
+              padding: const EdgeInsets.symmetric(
+                horizontal: UIConstants.spacing24,
+                vertical: UIConstants.spacing16,
+              ),
+              decoration: const BoxDecoration(
+                color: AppColors.surfaceContainer,
+                border: Border(
+                  bottom: BorderSide(color: AppColors.border),
+                ),
+              ),
+              child: Row(
+                children: [
+                  Container(
+                    width: 36,
+                    height: 36,
+                    decoration: BoxDecoration(
+                      color: AppColors.purpleMuted,
+                      borderRadius: BorderRadius.circular(8),
+                    ),
+                    child: const Icon(
+                      Icons.video_library,
+                      color: AppColors.purple,
+                      size: 20,
+                    ),
+                  ),
+                  const SizedBox(width: UIConstants.spacing12),
+                  const Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        'Video Analysis',
+                        style: TextStyle(
+                          color: AppColors.textPrimary,
+                          fontSize: 18,
+                          fontWeight: FontWeight.w600,
+                        ),
+                      ),
+                      Text(
+                        'Analyze and annotate your training videos',
+                        style: TextStyle(
+                          color: AppColors.textMuted,
+                          fontSize: 12,
+                        ),
+                      ),
+                    ],
+                  ),
+                  const Spacer(),
+                  FilledButton.icon(
+                    onPressed: () =>
+                        _showAddSessionDialog(context, controller),
+                    icon: const Icon(Icons.add, size: 18),
+                    label: const Text('New Session'),
+                  ),
+                ],
+              ),
+            ),
+            // Session list
+            Expanded(
+              child: data.sessions.isEmpty
+                  ? AppEmptyState(
+                      icon: Icons.video_library_outlined,
+                      title: 'No analysis sessions yet',
+                      subtitle:
+                          'Create a session to analyze your training videos',
+                      actionLabel: 'Create Session',
+                      onAction: () =>
+                          _showAddSessionDialog(context, controller),
+                    )
+                  : AnalysisSessionList(
+                      sessions: data.sessions,
+                      onSessionSelected: (session) =>
+                          controller.loadSession(session.id),
+                      onDeleteSession: (session) =>
+                          controller.deleteSession(session.id),
+                    ),
+            ),
+          ],
+        );
+      },
+      error: (e, s) => Center(
+        child: Text(
+          'Error: $e',
+          style: const TextStyle(color: AppColors.destructive),
+        ),
+      ),
+      loading: () => const Center(child: CircularProgressIndicator()),
+    );
+  }
+
+  void _showAddSessionDialog(
+    BuildContext context,
+    AnalysisController controller,
+  ) {
+    final textController = TextEditingController();
+    String? selectedVideoPath;
+
+    showDialog(
+      context: context,
+      builder: (context) => StatefulBuilder(
+        builder: (context, setState) => AlertDialog(
+          title: const Text('New Analysis Session'),
+          content: SizedBox(
+            width: UIConstants.dialogWidth,
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                TextField(
+                  controller: textController,
+                  decoration: const InputDecoration(
+                    labelText: 'Session Name',
+                    hintText: 'e.g. Squat Form Check',
+                  ),
+                  autofocus: true,
+                ),
+                const SizedBox(height: UIConstants.spacing16),
+                Container(
+                  padding: const EdgeInsets.all(UIConstants.spacing12),
+                  decoration: BoxDecoration(
+                    color: AppColors.surface,
+                    borderRadius: UIConstants.smallCardBorderRadius,
+                    border: Border.all(color: AppColors.border),
+                  ),
+                  child: Row(
+                    children: [
+                      Icon(
+                        selectedVideoPath != null
+                            ? Icons.videocam
+                            : Icons.videocam_off_outlined,
+                        color: selectedVideoPath != null
+                            ? AppColors.success
+                            : AppColors.textMuted,
+                        size: 20,
+                      ),
+                      const SizedBox(width: UIConstants.spacing12),
+                      Expanded(
+                        child: Text(
+                          selectedVideoPath != null
+                              ? selectedVideoPath!
+                                  .split(RegExp(r'[\\/]'))
+                                  .last
+                              : 'No video selected',
+                          style: TextStyle(
+                            color: selectedVideoPath != null
+                                ? AppColors.textPrimary
+                                : AppColors.textMuted,
+                            fontSize: 13,
+                          ),
+                          overflow: TextOverflow.ellipsis,
+                        ),
+                      ),
+                      const SizedBox(width: UIConstants.spacing8),
+                      OutlinedButton.icon(
+                        onPressed: () async {
+                          final result = await FilePicker.platform.pickFiles(
+                            type: FileType.video,
+                            allowMultiple: false,
+                          );
+                          if (result != null &&
+                              result.files.single.path != null) {
+                            setState(() {
+                              selectedVideoPath = result.files.single.path;
+                            });
+                          }
+                        },
+                        icon: const Icon(Icons.folder_open, size: 16),
+                        label: const Text('Browse'),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(context),
+              child: const Text('Cancel'),
+            ),
+            FilledButton(
+              onPressed: () {
+                if (textController.text.isNotEmpty &&
+                    selectedVideoPath != null) {
+                  controller.createSession(
+                    textController.text,
+                    selectedVideoPath!,
+                  );
+                  Navigator.pop(context);
+                }
+              },
+              child: const Text('Create'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/analysis/analysis_state.dart

@@ -0,0 +1,14 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/analysis_session.dart';
+import 'package:trainhub_flutter/domain/entities/annotation.dart';
+
+part 'analysis_state.freezed.dart';
+
+@freezed
+class AnalysisState with _$AnalysisState {
+  const factory AnalysisState({
+    @Default([]) List<AnalysisSessionEntity> sessions,
+    AnalysisSessionEntity? activeSession,
+    @Default([]) List<AnnotationEntity> annotations,
+  }) = _AnalysisState;
+}

lib/presentation/analysis/analysis_state.freezed.dart

@@ -0,0 +1,244 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'analysis_state.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$AnalysisState {
+  List<AnalysisSessionEntity> get sessions =>
+      throw _privateConstructorUsedError;
+  AnalysisSessionEntity? get activeSession =>
+      throw _privateConstructorUsedError;
+  List<AnnotationEntity> get annotations => throw _privateConstructorUsedError;
+
+  /// Create a copy of AnalysisState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $AnalysisStateCopyWith<AnalysisState> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $AnalysisStateCopyWith<$Res> {
+  factory $AnalysisStateCopyWith(
+    AnalysisState value,
+    $Res Function(AnalysisState) then,
+  ) = _$AnalysisStateCopyWithImpl<$Res, AnalysisState>;
+  @useResult
+  $Res call({
+    List<AnalysisSessionEntity> sessions,
+    AnalysisSessionEntity? activeSession,
+    List<AnnotationEntity> annotations,
+  });
+
+  $AnalysisSessionEntityCopyWith<$Res>? get activeSession;
+}
+
+/// @nodoc
+class _$AnalysisStateCopyWithImpl<$Res, $Val extends AnalysisState>
+    implements $AnalysisStateCopyWith<$Res> {
+  _$AnalysisStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of AnalysisState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? sessions = null,
+    Object? activeSession = freezed,
+    Object? annotations = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            sessions: null == sessions
+                ? _value.sessions
+                : sessions // ignore: cast_nullable_to_non_nullable
+                      as List<AnalysisSessionEntity>,
+            activeSession: freezed == activeSession
+                ? _value.activeSession
+                : activeSession // ignore: cast_nullable_to_non_nullable
+                      as AnalysisSessionEntity?,
+            annotations: null == annotations
+                ? _value.annotations
+                : annotations // ignore: cast_nullable_to_non_nullable
+                      as List<AnnotationEntity>,
+          )
+          as $Val,
+    );
+  }
+
+  /// Create a copy of AnalysisState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @pragma('vm:prefer-inline')
+  $AnalysisSessionEntityCopyWith<$Res>? get activeSession {
+    if (_value.activeSession == null) {
+      return null;
+    }
+
+    return $AnalysisSessionEntityCopyWith<$Res>(_value.activeSession!, (value) {
+      return _then(_value.copyWith(activeSession: value) as $Val);
+    });
+  }
+}
+
+/// @nodoc
+abstract class _$$AnalysisStateImplCopyWith<$Res>
+    implements $AnalysisStateCopyWith<$Res> {
+  factory _$$AnalysisStateImplCopyWith(
+    _$AnalysisStateImpl value,
+    $Res Function(_$AnalysisStateImpl) then,
+  ) = __$$AnalysisStateImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    List<AnalysisSessionEntity> sessions,
+    AnalysisSessionEntity? activeSession,
+    List<AnnotationEntity> annotations,
+  });
+
+  @override
+  $AnalysisSessionEntityCopyWith<$Res>? get activeSession;
+}
+
+/// @nodoc
+class __$$AnalysisStateImplCopyWithImpl<$Res>
+    extends _$AnalysisStateCopyWithImpl<$Res, _$AnalysisStateImpl>
+    implements _$$AnalysisStateImplCopyWith<$Res> {
+  __$$AnalysisStateImplCopyWithImpl(
+    _$AnalysisStateImpl _value,
+    $Res Function(_$AnalysisStateImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of AnalysisState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? sessions = null,
+    Object? activeSession = freezed,
+    Object? annotations = null,
+  }) {
+    return _then(
+      _$AnalysisStateImpl(
+        sessions: null == sessions
+            ? _value._sessions
+            : sessions // ignore: cast_nullable_to_non_nullable
+                  as List<AnalysisSessionEntity>,
+        activeSession: freezed == activeSession
+            ? _value.activeSession
+            : activeSession // ignore: cast_nullable_to_non_nullable
+                  as AnalysisSessionEntity?,
+        annotations: null == annotations
+            ? _value._annotations
+            : annotations // ignore: cast_nullable_to_non_nullable
+                  as List<AnnotationEntity>,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$AnalysisStateImpl implements _AnalysisState {
+  const _$AnalysisStateImpl({
+    final List<AnalysisSessionEntity> sessions = const [],
+    this.activeSession,
+    final List<AnnotationEntity> annotations = const [],
+  }) : _sessions = sessions,
+       _annotations = annotations;
+
+  final List<AnalysisSessionEntity> _sessions;
+  @override
+  @JsonKey()
+  List<AnalysisSessionEntity> get sessions {
+    if (_sessions is EqualUnmodifiableListView) return _sessions;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_sessions);
+  }
+
+  @override
+  final AnalysisSessionEntity? activeSession;
+  final List<AnnotationEntity> _annotations;
+  @override
+  @JsonKey()
+  List<AnnotationEntity> get annotations {
+    if (_annotations is EqualUnmodifiableListView) return _annotations;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_annotations);
+  }
+
+  @override
+  String toString() {
+    return 'AnalysisState(sessions: $sessions, activeSession: $activeSession, annotations: $annotations)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$AnalysisStateImpl &&
+            const DeepCollectionEquality().equals(other._sessions, _sessions) &&
+            (identical(other.activeSession, activeSession) ||
+                other.activeSession == activeSession) &&
+            const DeepCollectionEquality().equals(
+              other._annotations,
+              _annotations,
+            ));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    const DeepCollectionEquality().hash(_sessions),
+    activeSession,
+    const DeepCollectionEquality().hash(_annotations),
+  );
+
+  /// Create a copy of AnalysisState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$AnalysisStateImplCopyWith<_$AnalysisStateImpl> get copyWith =>
+      __$$AnalysisStateImplCopyWithImpl<_$AnalysisStateImpl>(this, _$identity);
+}
+
+abstract class _AnalysisState implements AnalysisState {
+  const factory _AnalysisState({
+    final List<AnalysisSessionEntity> sessions,
+    final AnalysisSessionEntity? activeSession,
+    final List<AnnotationEntity> annotations,
+  }) = _$AnalysisStateImpl;
+
+  @override
+  List<AnalysisSessionEntity> get sessions;
+  @override
+  AnalysisSessionEntity? get activeSession;
+  @override
+  List<AnnotationEntity> get annotations;
+
+  /// Create a copy of AnalysisState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$AnalysisStateImplCopyWith<_$AnalysisStateImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/presentation/analysis/widgets/analysis_session_list.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:trainhub_flutter/domain/entities/analysis_session.dart';
+
+class AnalysisSessionList extends StatelessWidget {
+  final List<AnalysisSessionEntity> sessions;
+  final Function(AnalysisSessionEntity) onSessionSelected;
+  final Function(AnalysisSessionEntity) onDeleteSession;
+
+  const AnalysisSessionList({
+    super.key,
+    required this.sessions,
+    required this.onSessionSelected,
+    required this.onDeleteSession,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    if (sessions.isEmpty) {
+      return const Center(
+        child: Text('No analysis sessions yet. Tap + to create one.'),
+      );
+    }
+    return ListView.builder(
+      itemCount: sessions.length,
+      itemBuilder: (context, index) {
+        final session = sessions[index];
+        return ListTile(
+          leading: const CircleAvatar(child: Icon(Icons.video_library)),
+          title: Text(session.name),
+          subtitle: Text(session.date),
+          trailing: IconButton(
+            icon: const Icon(Icons.delete_outline),
+            onPressed: () => onDeleteSession(session),
+          ),
+          onTap: () => onSessionSelected(session),
+        );
+      },
+    );
+  }
+}

lib/presentation/analysis/widgets/analysis_viewer.dart

@@ -0,0 +1,470 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:trainhub_flutter/domain/entities/analysis_session.dart';
+import 'package:trainhub_flutter/domain/entities/annotation.dart';
+import 'package:trainhub_flutter/presentation/analysis/analysis_controller.dart';
+import 'package:video_player/video_player.dart';
+
+class AnalysisViewer extends ConsumerStatefulWidget {
+  final AnalysisSessionEntity session;
+  final List<AnnotationEntity> annotations;
+  final VoidCallback onClose;
+
+  const AnalysisViewer({
+    super.key,
+    required this.session,
+    required this.annotations,
+    required this.onClose,
+  });
+
+  @override
+  ConsumerState<AnalysisViewer> createState() => _AnalysisViewerState();
+}
+
+class _AnalysisViewerState extends ConsumerState<AnalysisViewer> {
+  VideoPlayerController? _videoController;
+  bool _isPlaying = false;
+  double _currentPosition = 0.0;
+  double _totalDuration = 1.0;
+
+  // IN/OUT points
+  double? _inPoint;
+  double? _outPoint;
+  bool _isLooping = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _initializeVideo();
+  }
+
+  @override
+  void didUpdateWidget(covariant AnalysisViewer oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.session.videoPath != widget.session.videoPath) {
+      _initializeVideo();
+    }
+  }
+
+  Future<void> _initializeVideo() async {
+    final path = widget.session.videoPath;
+    if (path == null) return;
+
+    _videoController?.dispose();
+
+    final file = File(path);
+    if (await file.exists()) {
+      _videoController = VideoPlayerController.file(file);
+      await _videoController!.initialize();
+      setState(() {
+        _totalDuration = _videoController!.value.duration.inSeconds.toDouble();
+      });
+      _videoController!.addListener(_videoListener);
+    }
+  }
+
+  void _videoListener() {
+    if (_videoController == null) return;
+
+    final bool isPlaying = _videoController!.value.isPlaying;
+    final double position =
+        _videoController!.value.position.inMilliseconds / 1000.0;
+
+    // Loop logic
+    if (_isLooping && _outPoint != null && position >= _outPoint!) {
+      _seekTo(_inPoint ?? 0.0);
+      return;
+    }
+
+    if (isPlaying != _isPlaying || (position - _currentPosition).abs() > 0.1) {
+      setState(() {
+        _isPlaying = isPlaying;
+        _currentPosition = position;
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    _videoController?.removeListener(_videoListener);
+    _videoController?.dispose();
+    super.dispose();
+  }
+
+  void _togglePlay() {
+    if (_videoController == null) return;
+    if (_videoController!.value.isPlaying) {
+      _videoController!.pause();
+    } else {
+      if (_isLooping && _outPoint != null && _currentPosition >= _outPoint!) {
+        _seekTo(_inPoint ?? 0.0);
+      }
+      _videoController!.play();
+    }
+  }
+
+  void _seekTo(double value) {
+    if (_videoController == null) return;
+    _videoController!.seekTo(Duration(milliseconds: (value * 1000).toInt()));
+  }
+
+  void _setInPoint() {
+    setState(() {
+      _inPoint = _currentPosition;
+      if (_outPoint != null && _inPoint! > _outPoint!) {
+        _outPoint = null;
+      }
+    });
+  }
+
+  void _setOutPoint() {
+    setState(() {
+      _outPoint = _currentPosition;
+      if (_inPoint != null && _outPoint! < _inPoint!) {
+        _inPoint = null;
+      }
+    });
+  }
+
+  void _clearPoints() {
+    setState(() {
+      _inPoint = null;
+      _outPoint = null;
+      _isLooping = false;
+    });
+  }
+
+  void _toggleLoop() {
+    setState(() {
+      _isLooping = !_isLooping;
+    });
+  }
+
+  void _playRange(double start, double end) {
+    setState(() {
+      _inPoint = start;
+      _outPoint = end;
+      _isLooping = true;
+    });
+    _seekTo(start);
+    _videoController?.play();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final controller = ref.read(analysisControllerProvider.notifier);
+
+    return Column(
+      children: [
+        // Video Area
+        Expanded(
+          flex: 3,
+          child: Container(
+            color: Colors.black,
+            alignment: Alignment.center,
+            child:
+                _videoController != null &&
+                    _videoController!.value.isInitialized
+                ? Stack(
+                    alignment: Alignment.bottomCenter,
+                    children: [
+                      Center(
+                        child: AspectRatio(
+                          aspectRatio: _videoController!.value.aspectRatio,
+                          child: VideoPlayer(_videoController!),
+                        ),
+                      ),
+                      _buildTimelineControls(),
+                    ],
+                  )
+                : const Center(child: CircularProgressIndicator()),
+          ),
+        ),
+
+        // Annotations List
+        Expanded(
+          flex: 2,
+          child: Column(
+            children: [
+              Padding(
+                padding: const EdgeInsets.symmetric(
+                  horizontal: 16.0,
+                  vertical: 8,
+                ),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  children: [
+                    Text(
+                      "Annotations",
+                      style: Theme.of(context).textTheme.titleMedium,
+                    ),
+                    ElevatedButton.icon(
+                      onPressed: () {
+                        double start = _inPoint ?? _currentPosition;
+                        double end = _outPoint ?? (_currentPosition + 5.0);
+                        if (end > _totalDuration) end = _totalDuration;
+
+                        controller.addAnnotation(
+                          name: "New Annotation",
+                          description:
+                              "${_formatDuration(start)} - ${_formatDuration(end)}",
+                          startTime: start,
+                          endTime: end,
+                          color: "red",
+                        );
+                      },
+                      icon: const Icon(Icons.add),
+                      label: const Text("Add from Selection"),
+                    ),
+                  ],
+                ),
+              ),
+              const Divider(height: 1),
+              Expanded(
+                child: ListView.separated(
+                  separatorBuilder: (context, index) =>
+                      const Divider(height: 1),
+                  itemCount: widget.annotations.length,
+                  itemBuilder: (context, index) {
+                    final note = widget.annotations[index];
+                    final bool isActive =
+                        _currentPosition >= note.startTime &&
+                        _currentPosition <= note.endTime;
+
+                    return Container(
+                      color: isActive
+                          ? Theme.of(
+                              context,
+                            ).colorScheme.primaryContainer.withOpacity(0.2)
+                          : null,
+                      child: ListTile(
+                        leading: Icon(
+                          Icons.label,
+                          color: _parseColor(note.color ?? 'grey'),
+                        ),
+                        title: Text(note.name ?? 'Untitled'),
+                        subtitle: Text(
+                          "${_formatDuration(note.startTime)} - ${_formatDuration(note.endTime)}",
+                          style: Theme.of(context).textTheme.bodySmall,
+                        ),
+                        trailing: Row(
+                          mainAxisSize: MainAxisSize.min,
+                          children: [
+                            IconButton(
+                              icon: const Icon(Icons.play_circle_outline),
+                              onPressed: () =>
+                                  _playRange(note.startTime, note.endTime),
+                              tooltip: "Play Range",
+                            ),
+                            IconButton(
+                              icon: const Icon(Icons.delete_outline),
+                              onPressed: () =>
+                                  controller.deleteAnnotation(note.id),
+                            ),
+                          ],
+                        ),
+                      ),
+                    );
+                  },
+                ),
+              ),
+              Padding(
+                padding: const EdgeInsets.all(8.0),
+                child: SizedBox(
+                  width: double.infinity,
+                  child: TextButton(
+                    onPressed: widget.onClose,
+                    child: const Text('Back'),
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildTimelineControls() {
+    return Container(
+      color: Colors.black.withOpacity(0.8),
+      padding: const EdgeInsets.symmetric(vertical: 8),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          // Timeline Visualization
+          SizedBox(
+            height: 20,
+            child: LayoutBuilder(
+              builder: (context, constraints) {
+                return Stack(
+                  children: [
+                    // Annotations
+                    ...widget.annotations.map((note) {
+                      final left =
+                          (note.startTime / _totalDuration) *
+                          constraints.maxWidth;
+                      final width =
+                          ((note.endTime - note.startTime) / _totalDuration) *
+                          constraints.maxWidth;
+                      return Positioned(
+                        left: left,
+                        width: width,
+                        top: 4,
+                        bottom: 4,
+                        child: Container(
+                          decoration: BoxDecoration(
+                            color: _parseColor(
+                              note.color ?? 'grey',
+                            ).withOpacity(0.6),
+                            borderRadius: BorderRadius.circular(2),
+                          ),
+                        ),
+                      );
+                    }),
+                    // IN Point
+                    if (_inPoint != null)
+                      Positioned(
+                        left:
+                            (_inPoint! / _totalDuration) * constraints.maxWidth,
+                        top: 0,
+                        bottom: 0,
+                        child: Container(width: 2, color: Colors.green),
+                      ),
+                    // OUT Point
+                    if (_outPoint != null)
+                      Positioned(
+                        left:
+                            (_outPoint! / _totalDuration) *
+                            constraints.maxWidth,
+                        top: 0,
+                        bottom: 0,
+                        child: Container(width: 2, color: Colors.red),
+                      ),
+                  ],
+                );
+              },
+            ),
+          ),
+
+          // Slider
+          SliderTheme(
+            data: SliderTheme.of(context).copyWith(
+              thumbShape: const RoundSliderThumbShape(enabledThumbRadius: 6),
+              overlayShape: const RoundSliderOverlayShape(overlayRadius: 10),
+              trackHeight: 2,
+            ),
+            child: Slider(
+              value: _currentPosition.clamp(0.0, _totalDuration),
+              min: 0.0,
+              max: _totalDuration,
+              onChanged: (value) => _seekTo(value),
+              activeColor: Theme.of(context).colorScheme.primary,
+              inactiveColor: Colors.grey,
+            ),
+          ),
+
+          // Controls Row
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 8.0),
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                Text(
+                  _formatDuration(_currentPosition),
+                  style: const TextStyle(color: Colors.white, fontSize: 12),
+                ),
+                const SizedBox(width: 16),
+
+                IconButton(
+                  icon: const Icon(
+                    Icons.keyboard_arrow_left,
+                    color: Colors.white,
+                  ),
+                  onPressed: () => _seekTo(_currentPosition - 1),
+                ),
+                IconButton(
+                  icon: Icon(
+                    _isPlaying ? Icons.pause : Icons.play_arrow,
+                    color: Colors.white,
+                  ),
+                  onPressed: _togglePlay,
+                ),
+                IconButton(
+                  icon: const Icon(
+                    Icons.keyboard_arrow_right,
+                    color: Colors.white,
+                  ),
+                  onPressed: () => _seekTo(_currentPosition + 1),
+                ),
+
+                const SizedBox(width: 16),
+
+                // IN/OUT Controls
+                IconButton(
+                  icon: const Icon(Icons.login, color: Colors.green),
+                  tooltip: "Set IN Point",
+                  onPressed: _setInPoint,
+                ),
+                IconButton(
+                  icon: const Icon(Icons.logout, color: Colors.red),
+                  tooltip: "Set OUT Point",
+                  onPressed: _setOutPoint,
+                ),
+                IconButton(
+                  icon: Icon(
+                    Icons.loop,
+                    color: _isLooping
+                        ? Theme.of(context).colorScheme.primary
+                        : Colors.white,
+                  ),
+                  tooltip: "Toggle Loop",
+                  onPressed: _toggleLoop,
+                ),
+                if (_inPoint != null || _outPoint != null)
+                  IconButton(
+                    icon: const Icon(
+                      Icons.cancel_outlined,
+                      color: Colors.white,
+                    ),
+                    tooltip: "Clear Points",
+                    onPressed: _clearPoints,
+                  ),
+
+                const Spacer(),
+                Text(
+                  _formatDuration(_totalDuration),
+                  style: const TextStyle(color: Colors.white, fontSize: 12),
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  String _formatDuration(double seconds) {
+    final duration = Duration(milliseconds: (seconds * 1000).toInt());
+    final mins = duration.inMinutes;
+    final secs = duration.inSeconds % 60;
+    return '$mins:${secs.toString().padLeft(2, '0')}';
+  }
+
+  Color _parseColor(String colorName) {
+    switch (colorName.toLowerCase()) {
+      case 'red':
+        return Colors.red;
+      case 'green':
+        return Colors.green;
+      case 'blue':
+        return Colors.blue;
+      case 'yellow':
+        return Colors.yellow;
+      default:
+        return Colors.grey;
+    }
+  }
+}

lib/presentation/calendar/calendar_controller.dart

@@ -0,0 +1,125 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:trainhub_flutter/injection.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+import 'package:trainhub_flutter/domain/repositories/program_repository.dart';
+import 'package:trainhub_flutter/domain/repositories/training_plan_repository.dart';
+import 'package:trainhub_flutter/domain/repositories/exercise_repository.dart';
+import 'package:trainhub_flutter/presentation/calendar/calendar_state.dart';
+
+part 'calendar_controller.g.dart';
+
+@riverpod
+class CalendarController extends _$CalendarController {
+  late final ProgramRepository _programRepo;
+  late final TrainingPlanRepository _planRepo;
+  late final ExerciseRepository _exerciseRepo;
+
+  @override
+  Future<CalendarState> build() async {
+    _programRepo = getIt<ProgramRepository>();
+    _planRepo = getIt<TrainingPlanRepository>();
+    _exerciseRepo = getIt<ExerciseRepository>();
+    final programs = await _programRepo.getAllPrograms();
+    final plans = await _planRepo.getAll();
+    final exercises = await _exerciseRepo.getAll();
+    if (programs.isEmpty) {
+      return CalendarState(plans: plans, exercises: exercises);
+    }
+    final activeProgram = programs.first;
+    final weeks = await _programRepo.getWeeks(activeProgram.id);
+    final workouts = await _programRepo.getWorkouts(activeProgram.id);
+    return CalendarState(
+      programs: programs,
+      activeProgram: activeProgram,
+      weeks: weeks,
+      workouts: workouts,
+      plans: plans,
+      exercises: exercises,
+    );
+  }
+
+  Future<void> loadProgram(String id) async {
+    final program = await _programRepo.getProgram(id);
+    if (program == null) return;
+    final weeks = await _programRepo.getWeeks(id);
+    final workouts = await _programRepo.getWorkouts(id);
+    final current = state.valueOrNull ?? const CalendarState();
+    state = AsyncValue.data(
+      current.copyWith(
+        activeProgram: program,
+        weeks: weeks,
+        workouts: workouts,
+      ),
+    );
+  }
+
+  Future<void> createProgram(String name) async {
+    final program = await _programRepo.createProgram(name);
+    await _reloadFull();
+    await loadProgram(program.id);
+  }
+
+  Future<void> deleteProgram(String id) async {
+    await _programRepo.deleteProgram(id);
+    state = await AsyncValue.guard(() => build());
+  }
+
+  Future<void> duplicateProgram(String sourceId) async {
+    await _programRepo.duplicateProgram(sourceId);
+    await _reloadFull();
+  }
+
+  Future<void> addWeek() async {
+    final current = state.valueOrNull;
+    if (current?.activeProgram == null) return;
+    final nextPosition =
+        current!.weeks.isEmpty ? 1 : current.weeks.last.position + 1;
+    await _programRepo.addWeek(current.activeProgram!.id, nextPosition);
+    await _reloadProgramDetails();
+  }
+
+  Future<void> deleteWeek(String id) async {
+    await _programRepo.deleteWeek(id);
+    await _reloadProgramDetails();
+  }
+
+  Future<void> updateWeekNote(String weekId, String note) async {
+    await _programRepo.updateWeekNote(weekId, note);
+    await _reloadProgramDetails();
+  }
+
+  Future<void> addWorkout(ProgramWorkoutEntity workout) async {
+    await _programRepo.addWorkout(workout);
+    await _reloadProgramDetails();
+  }
+
+  Future<void> updateWorkout(ProgramWorkoutEntity workout) async {
+    await _programRepo.updateWorkout(workout);
+    await _reloadProgramDetails();
+  }
+
+  Future<void> deleteWorkout(String id) async {
+    await _programRepo.deleteWorkout(id);
+    await _reloadProgramDetails();
+  }
+
+  Future<void> toggleWorkoutComplete(String id, bool currentStatus) async {
+    await _programRepo.toggleWorkoutComplete(id, currentStatus);
+    await _reloadProgramDetails();
+  }
+
+  Future<void> _reloadProgramDetails() async {
+    final current = state.valueOrNull;
+    if (current?.activeProgram == null) return;
+    final weeks = await _programRepo.getWeeks(current!.activeProgram!.id);
+    final workouts =
+        await _programRepo.getWorkouts(current.activeProgram!.id);
+    state = AsyncValue.data(
+      current.copyWith(weeks: weeks, workouts: workouts),
+    );
+  }
+
+  Future<void> _reloadFull() async {
+    state = await AsyncValue.guard(() => build());
+  }
+}

lib/presentation/calendar/calendar_controller.g.dart

@@ -0,0 +1,30 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'calendar_controller.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$calendarControllerHash() =>
+    r'747a59ba47bf4d1b6a66e3bcc82276e4ad81eb1a';
+
+/// See also [CalendarController].
+@ProviderFor(CalendarController)
+final calendarControllerProvider =
+    AutoDisposeAsyncNotifierProvider<
+      CalendarController,
+      CalendarState
+    >.internal(
+      CalendarController.new,
+      name: r'calendarControllerProvider',
+      debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+          ? null
+          : _$calendarControllerHash,
+      dependencies: null,
+      allTransitiveDependencies: null,
+    );
+
+typedef _$CalendarController = AutoDisposeAsyncNotifier<CalendarState>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/presentation/calendar/calendar_page.dart

@@ -0,0 +1,116 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:trainhub_flutter/presentation/calendar/calendar_controller.dart';
+import 'package:trainhub_flutter/presentation/calendar/widgets/program_selector.dart';
+import 'package:trainhub_flutter/presentation/calendar/widgets/program_week_view.dart';
+
+@RoutePage()
+class CalendarPage extends ConsumerWidget {
+  const CalendarPage({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final state = ref.watch(calendarControllerProvider);
+    final controller = ref.read(calendarControllerProvider.notifier);
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Program & Schedule')),
+      body: state.when(
+        data: (data) {
+          if (data.programs.isEmpty) {
+            return Center(
+              child: ElevatedButton(
+                onPressed: () => _showCreateProgramDialog(context, controller),
+                child: const Text('Create First Program'),
+              ),
+            );
+          }
+
+          return Column(
+            children: [
+              ProgramSelector(
+                programs: data.programs,
+                activeProgram: data.activeProgram,
+                onProgramSelected: (p) => controller.loadProgram(p.id),
+                onCreateProgram: () =>
+                    _showCreateProgramDialog(context, controller),
+              ),
+              Expanded(
+                child: data.activeProgram == null
+                    ? const Center(child: Text("Select a program"))
+                    : ListView.builder(
+                        padding: const EdgeInsets.all(16),
+                        itemCount: data.weeks.length + 1,
+                        itemBuilder: (context, index) {
+                          if (index == data.weeks.length) {
+                            return Padding(
+                              padding: const EdgeInsets.symmetric(
+                                vertical: 24.0,
+                              ),
+                              child: Center(
+                                child: OutlinedButton.icon(
+                                  onPressed: controller.addWeek,
+                                  icon: const Icon(Icons.add),
+                                  label: const Text("Add Week"),
+                                ),
+                              ),
+                            );
+                          }
+                          final week = data.weeks[index];
+                          final weekWorkouts = data.workouts
+                              .where((w) => w.weekId == week.id)
+                              .toList();
+                          return ProgramWeekView(
+                            week: week,
+                            workouts: weekWorkouts,
+                            availablePlans: data.plans,
+                            onAddWorkout: (workout) => controller.addWorkout(
+                              workout,
+                            ), // logic needs refined params
+                            onDeleteWorkout: controller.deleteWorkout,
+                          );
+                        },
+                      ),
+              ),
+            ],
+          );
+        },
+        error: (e, s) => Center(child: Text('Error: $e')),
+        loading: () => const Center(child: CircularProgressIndicator()),
+      ),
+    );
+  }
+
+  void _showCreateProgramDialog(
+    BuildContext context,
+    CalendarController controller,
+  ) {
+    final textController = TextEditingController();
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('New Program'),
+        content: TextField(
+          controller: textController,
+          decoration: const InputDecoration(labelText: 'Program Name'),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('Cancel'),
+          ),
+          FilledButton(
+            onPressed: () {
+              if (textController.text.isNotEmpty) {
+                controller.createProgram(textController.text);
+                Navigator.pop(context);
+              }
+            },
+            child: const Text('Create'),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/presentation/calendar/calendar_state.dart

@@ -0,0 +1,20 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/program.dart';
+import 'package:trainhub_flutter/domain/entities/program_week.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+import 'package:trainhub_flutter/domain/entities/exercise.dart';
+
+part 'calendar_state.freezed.dart';
+
+@freezed
+class CalendarState with _$CalendarState {
+  const factory CalendarState({
+    @Default([]) List<ProgramEntity> programs,
+    ProgramEntity? activeProgram,
+    @Default([]) List<ProgramWeekEntity> weeks,
+    @Default([]) List<ProgramWorkoutEntity> workouts,
+    @Default([]) List<TrainingPlanEntity> plans,
+    @Default([]) List<ExerciseEntity> exercises,
+  }) = _CalendarState;
+}

lib/presentation/calendar/calendar_state.freezed.dart

@@ -0,0 +1,329 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'calendar_state.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$CalendarState {
+  List<ProgramEntity> get programs => throw _privateConstructorUsedError;
+  ProgramEntity? get activeProgram => throw _privateConstructorUsedError;
+  List<ProgramWeekEntity> get weeks => throw _privateConstructorUsedError;
+  List<ProgramWorkoutEntity> get workouts => throw _privateConstructorUsedError;
+  List<TrainingPlanEntity> get plans => throw _privateConstructorUsedError;
+  List<ExerciseEntity> get exercises => throw _privateConstructorUsedError;
+
+  /// Create a copy of CalendarState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $CalendarStateCopyWith<CalendarState> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $CalendarStateCopyWith<$Res> {
+  factory $CalendarStateCopyWith(
+    CalendarState value,
+    $Res Function(CalendarState) then,
+  ) = _$CalendarStateCopyWithImpl<$Res, CalendarState>;
+  @useResult
+  $Res call({
+    List<ProgramEntity> programs,
+    ProgramEntity? activeProgram,
+    List<ProgramWeekEntity> weeks,
+    List<ProgramWorkoutEntity> workouts,
+    List<TrainingPlanEntity> plans,
+    List<ExerciseEntity> exercises,
+  });
+
+  $ProgramEntityCopyWith<$Res>? get activeProgram;
+}
+
+/// @nodoc
+class _$CalendarStateCopyWithImpl<$Res, $Val extends CalendarState>
+    implements $CalendarStateCopyWith<$Res> {
+  _$CalendarStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of CalendarState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? programs = null,
+    Object? activeProgram = freezed,
+    Object? weeks = null,
+    Object? workouts = null,
+    Object? plans = null,
+    Object? exercises = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            programs: null == programs
+                ? _value.programs
+                : programs // ignore: cast_nullable_to_non_nullable
+                      as List<ProgramEntity>,
+            activeProgram: freezed == activeProgram
+                ? _value.activeProgram
+                : activeProgram // ignore: cast_nullable_to_non_nullable
+                      as ProgramEntity?,
+            weeks: null == weeks
+                ? _value.weeks
+                : weeks // ignore: cast_nullable_to_non_nullable
+                      as List<ProgramWeekEntity>,
+            workouts: null == workouts
+                ? _value.workouts
+                : workouts // ignore: cast_nullable_to_non_nullable
+                      as List<ProgramWorkoutEntity>,
+            plans: null == plans
+                ? _value.plans
+                : plans // ignore: cast_nullable_to_non_nullable
+                      as List<TrainingPlanEntity>,
+            exercises: null == exercises
+                ? _value.exercises
+                : exercises // ignore: cast_nullable_to_non_nullable
+                      as List<ExerciseEntity>,
+          )
+          as $Val,
+    );
+  }
+
+  /// Create a copy of CalendarState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @pragma('vm:prefer-inline')
+  $ProgramEntityCopyWith<$Res>? get activeProgram {
+    if (_value.activeProgram == null) {
+      return null;
+    }
+
+    return $ProgramEntityCopyWith<$Res>(_value.activeProgram!, (value) {
+      return _then(_value.copyWith(activeProgram: value) as $Val);
+    });
+  }
+}
+
+/// @nodoc
+abstract class _$$CalendarStateImplCopyWith<$Res>
+    implements $CalendarStateCopyWith<$Res> {
+  factory _$$CalendarStateImplCopyWith(
+    _$CalendarStateImpl value,
+    $Res Function(_$CalendarStateImpl) then,
+  ) = __$$CalendarStateImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    List<ProgramEntity> programs,
+    ProgramEntity? activeProgram,
+    List<ProgramWeekEntity> weeks,
+    List<ProgramWorkoutEntity> workouts,
+    List<TrainingPlanEntity> plans,
+    List<ExerciseEntity> exercises,
+  });
+
+  @override
+  $ProgramEntityCopyWith<$Res>? get activeProgram;
+}
+
+/// @nodoc
+class __$$CalendarStateImplCopyWithImpl<$Res>
+    extends _$CalendarStateCopyWithImpl<$Res, _$CalendarStateImpl>
+    implements _$$CalendarStateImplCopyWith<$Res> {
+  __$$CalendarStateImplCopyWithImpl(
+    _$CalendarStateImpl _value,
+    $Res Function(_$CalendarStateImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of CalendarState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? programs = null,
+    Object? activeProgram = freezed,
+    Object? weeks = null,
+    Object? workouts = null,
+    Object? plans = null,
+    Object? exercises = null,
+  }) {
+    return _then(
+      _$CalendarStateImpl(
+        programs: null == programs
+            ? _value._programs
+            : programs // ignore: cast_nullable_to_non_nullable
+                  as List<ProgramEntity>,
+        activeProgram: freezed == activeProgram
+            ? _value.activeProgram
+            : activeProgram // ignore: cast_nullable_to_non_nullable
+                  as ProgramEntity?,
+        weeks: null == weeks
+            ? _value._weeks
+            : weeks // ignore: cast_nullable_to_non_nullable
+                  as List<ProgramWeekEntity>,
+        workouts: null == workouts
+            ? _value._workouts
+            : workouts // ignore: cast_nullable_to_non_nullable
+                  as List<ProgramWorkoutEntity>,
+        plans: null == plans
+            ? _value._plans
+            : plans // ignore: cast_nullable_to_non_nullable
+                  as List<TrainingPlanEntity>,
+        exercises: null == exercises
+            ? _value._exercises
+            : exercises // ignore: cast_nullable_to_non_nullable
+                  as List<ExerciseEntity>,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$CalendarStateImpl implements _CalendarState {
+  const _$CalendarStateImpl({
+    final List<ProgramEntity> programs = const [],
+    this.activeProgram,
+    final List<ProgramWeekEntity> weeks = const [],
+    final List<ProgramWorkoutEntity> workouts = const [],
+    final List<TrainingPlanEntity> plans = const [],
+    final List<ExerciseEntity> exercises = const [],
+  }) : _programs = programs,
+       _weeks = weeks,
+       _workouts = workouts,
+       _plans = plans,
+       _exercises = exercises;
+
+  final List<ProgramEntity> _programs;
+  @override
+  @JsonKey()
+  List<ProgramEntity> get programs {
+    if (_programs is EqualUnmodifiableListView) return _programs;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_programs);
+  }
+
+  @override
+  final ProgramEntity? activeProgram;
+  final List<ProgramWeekEntity> _weeks;
+  @override
+  @JsonKey()
+  List<ProgramWeekEntity> get weeks {
+    if (_weeks is EqualUnmodifiableListView) return _weeks;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_weeks);
+  }
+
+  final List<ProgramWorkoutEntity> _workouts;
+  @override
+  @JsonKey()
+  List<ProgramWorkoutEntity> get workouts {
+    if (_workouts is EqualUnmodifiableListView) return _workouts;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_workouts);
+  }
+
+  final List<TrainingPlanEntity> _plans;
+  @override
+  @JsonKey()
+  List<TrainingPlanEntity> get plans {
+    if (_plans is EqualUnmodifiableListView) return _plans;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_plans);
+  }
+
+  final List<ExerciseEntity> _exercises;
+  @override
+  @JsonKey()
+  List<ExerciseEntity> get exercises {
+    if (_exercises is EqualUnmodifiableListView) return _exercises;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_exercises);
+  }
+
+  @override
+  String toString() {
+    return 'CalendarState(programs: $programs, activeProgram: $activeProgram, weeks: $weeks, workouts: $workouts, plans: $plans, exercises: $exercises)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$CalendarStateImpl &&
+            const DeepCollectionEquality().equals(other._programs, _programs) &&
+            (identical(other.activeProgram, activeProgram) ||
+                other.activeProgram == activeProgram) &&
+            const DeepCollectionEquality().equals(other._weeks, _weeks) &&
+            const DeepCollectionEquality().equals(other._workouts, _workouts) &&
+            const DeepCollectionEquality().equals(other._plans, _plans) &&
+            const DeepCollectionEquality().equals(
+              other._exercises,
+              _exercises,
+            ));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    const DeepCollectionEquality().hash(_programs),
+    activeProgram,
+    const DeepCollectionEquality().hash(_weeks),
+    const DeepCollectionEquality().hash(_workouts),
+    const DeepCollectionEquality().hash(_plans),
+    const DeepCollectionEquality().hash(_exercises),
+  );
+
+  /// Create a copy of CalendarState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$CalendarStateImplCopyWith<_$CalendarStateImpl> get copyWith =>
+      __$$CalendarStateImplCopyWithImpl<_$CalendarStateImpl>(this, _$identity);
+}
+
+abstract class _CalendarState implements CalendarState {
+  const factory _CalendarState({
+    final List<ProgramEntity> programs,
+    final ProgramEntity? activeProgram,
+    final List<ProgramWeekEntity> weeks,
+    final List<ProgramWorkoutEntity> workouts,
+    final List<TrainingPlanEntity> plans,
+    final List<ExerciseEntity> exercises,
+  }) = _$CalendarStateImpl;
+
+  @override
+  List<ProgramEntity> get programs;
+  @override
+  ProgramEntity? get activeProgram;
+  @override
+  List<ProgramWeekEntity> get weeks;
+  @override
+  List<ProgramWorkoutEntity> get workouts;
+  @override
+  List<TrainingPlanEntity> get plans;
+  @override
+  List<ExerciseEntity> get exercises;
+
+  /// Create a copy of CalendarState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$CalendarStateImplCopyWith<_$CalendarStateImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/presentation/calendar/widgets/program_selector.dart

@@ -0,0 +1,252 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+import 'package:trainhub_flutter/domain/entities/program.dart';
+
+class ProgramSelector extends StatelessWidget {
+  final List<ProgramEntity> programs;
+  final ProgramEntity? activeProgram;
+  final ValueChanged<ProgramEntity> onProgramSelected;
+  final VoidCallback onCreateProgram;
+  final VoidCallback onDuplicateProgram;
+  final VoidCallback onDeleteProgram;
+
+  const ProgramSelector({
+    super.key,
+    required this.programs,
+    required this.activeProgram,
+    required this.onProgramSelected,
+    required this.onCreateProgram,
+    required this.onDuplicateProgram,
+    required this.onDeleteProgram,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(
+        horizontal: UIConstants.pagePadding,
+        vertical: UIConstants.spacing12,
+      ),
+      decoration: const BoxDecoration(
+        color: AppColors.surfaceContainer,
+        border: Border(
+          bottom: BorderSide(color: AppColors.border),
+        ),
+      ),
+      child: Row(
+        children: [
+          // Program icon
+          Container(
+            width: 36,
+            height: 36,
+            decoration: BoxDecoration(
+              color: AppColors.accentMuted,
+              borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
+            ),
+            child: const Icon(
+              Icons.calendar_month_rounded,
+              color: AppColors.accent,
+              size: 18,
+            ),
+          ),
+          const SizedBox(width: UIConstants.spacing12),
+
+          // Program dropdown
+          Expanded(
+            child: _ProgramDropdown(
+              programs: programs,
+              activeProgram: activeProgram,
+              onProgramSelected: onProgramSelected,
+            ),
+          ),
+
+          const SizedBox(width: UIConstants.spacing12),
+
+          // Action buttons
+          _ToolbarButton(
+            icon: Icons.add_rounded,
+            label: 'New Program',
+            onPressed: onCreateProgram,
+            isPrimary: true,
+          ),
+          const SizedBox(width: UIConstants.spacing8),
+          _ToolbarButton(
+            icon: Icons.copy_rounded,
+            label: 'Duplicate',
+            onPressed: activeProgram != null ? onDuplicateProgram : null,
+          ),
+          const SizedBox(width: UIConstants.spacing8),
+          _ToolbarButton(
+            icon: Icons.delete_outline_rounded,
+            label: 'Delete',
+            onPressed: activeProgram != null ? onDeleteProgram : null,
+            isDestructive: true,
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _ProgramDropdown extends StatelessWidget {
+  final List<ProgramEntity> programs;
+  final ProgramEntity? activeProgram;
+  final ValueChanged<ProgramEntity> onProgramSelected;
+
+  const _ProgramDropdown({
+    required this.programs,
+    required this.activeProgram,
+    required this.onProgramSelected,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: 38,
+      padding: const EdgeInsets.symmetric(horizontal: UIConstants.spacing12),
+      decoration: BoxDecoration(
+        color: AppColors.zinc950,
+        borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
+        border: Border.all(color: AppColors.border),
+      ),
+      child: DropdownButtonHideUnderline(
+        child: DropdownButton<String>(
+          value: activeProgram?.id,
+          isExpanded: true,
+          icon: const Icon(
+            Icons.unfold_more_rounded,
+            size: 18,
+            color: AppColors.textMuted,
+          ),
+          dropdownColor: AppColors.surfaceContainer,
+          borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
+          style: GoogleFonts.inter(
+            fontSize: 14,
+            fontWeight: FontWeight.w500,
+            color: AppColors.textPrimary,
+          ),
+          hint: Text(
+            'Select a program',
+            style: GoogleFonts.inter(
+              fontSize: 14,
+              color: AppColors.textMuted,
+            ),
+          ),
+          items: programs.map((p) {
+            return DropdownMenuItem<String>(
+              value: p.id,
+              child: Text(
+                p.name,
+                overflow: TextOverflow.ellipsis,
+              ),
+            );
+          }).toList(),
+          onChanged: (id) {
+            if (id != null) {
+              final program = programs.firstWhere((p) => p.id == id);
+              onProgramSelected(program);
+            }
+          },
+        ),
+      ),
+    );
+  }
+}
+
+class _ToolbarButton extends StatefulWidget {
+  final IconData icon;
+  final String label;
+  final VoidCallback? onPressed;
+  final bool isPrimary;
+  final bool isDestructive;
+
+  const _ToolbarButton({
+    required this.icon,
+    required this.label,
+    required this.onPressed,
+    this.isPrimary = false,
+    this.isDestructive = false,
+  });
+
+  @override
+  State<_ToolbarButton> createState() => _ToolbarButtonState();
+}
+
+class _ToolbarButtonState extends State<_ToolbarButton> {
+  bool _isHovered = false;
+
+  @override
+  Widget build(BuildContext context) {
+    final isDisabled = widget.onPressed == null;
+
+    Color bgColor;
+    Color fgColor;
+    Color borderColor;
+
+    if (isDisabled) {
+      bgColor = Colors.transparent;
+      fgColor = AppColors.zinc600;
+      borderColor = AppColors.border;
+    } else if (widget.isPrimary) {
+      bgColor = _isHovered ? AppColors.accent : AppColors.accentMuted;
+      fgColor = _isHovered ? AppColors.zinc950 : AppColors.accent;
+      borderColor = AppColors.accent.withValues(alpha: 0.3);
+    } else if (widget.isDestructive) {
+      bgColor =
+          _isHovered ? AppColors.destructiveMuted : Colors.transparent;
+      fgColor =
+          _isHovered ? AppColors.destructive : AppColors.textSecondary;
+      borderColor = _isHovered ? AppColors.destructive.withValues(alpha: 0.3) : AppColors.border;
+    } else {
+      bgColor = _isHovered ? AppColors.surfaceContainerHigh : Colors.transparent;
+      fgColor = _isHovered ? AppColors.textPrimary : AppColors.textSecondary;
+      borderColor = AppColors.border;
+    }
+
+    return MouseRegion(
+      onEnter: (_) => setState(() => _isHovered = true),
+      onExit: (_) => setState(() => _isHovered = false),
+      child: Tooltip(
+        message: widget.label,
+        child: Material(
+          color: Colors.transparent,
+          child: InkWell(
+            onTap: widget.onPressed,
+            borderRadius:
+                BorderRadius.circular(UIConstants.smallBorderRadius),
+            child: AnimatedContainer(
+              duration: UIConstants.animationDuration,
+              height: 34,
+              padding: const EdgeInsets.symmetric(
+                horizontal: UIConstants.spacing12,
+              ),
+              decoration: BoxDecoration(
+                color: bgColor,
+                borderRadius:
+                    BorderRadius.circular(UIConstants.smallBorderRadius),
+                border: Border.all(color: borderColor),
+              ),
+              child: Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Icon(widget.icon, size: 16, color: fgColor),
+                  const SizedBox(width: UIConstants.spacing4),
+                  Text(
+                    widget.label,
+                    style: GoogleFonts.inter(
+                      fontSize: 13,
+                      fontWeight: FontWeight.w500,
+                      color: fgColor,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/presentation/calendar/widgets/program_week_view.dart

@@ -0,0 +1,244 @@
+import 'package:flutter/material.dart';
+import 'package:trainhub_flutter/core/utils/id_generator.dart';
+import 'package:trainhub_flutter/domain/entities/program_week.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+
+class ProgramWeekView extends StatelessWidget {
+  final ProgramWeekEntity week;
+  final List<ProgramWorkoutEntity> workouts;
+  final List<TrainingPlanEntity> availablePlans;
+  final Function(ProgramWorkoutEntity) onAddWorkout;
+  final Function(String) onDeleteWorkout;
+
+  const ProgramWeekView({
+    super.key,
+    required this.week,
+    required this.workouts,
+    required this.availablePlans,
+    required this.onAddWorkout,
+    required this.onDeleteWorkout,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      margin: const EdgeInsets.only(bottom: 24),
+      elevation: 2,
+      child: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              "Week ${week.position}",
+              style: Theme.of(context).textTheme.headlineSmall,
+            ),
+            const Divider(),
+            SizedBox(
+              height: 500, // Fixed height for the week grid, or make it dynamic
+              child: Row(
+                crossAxisAlignment: CrossAxisAlignment.stretch,
+                children: List.generate(7, (dayIndex) {
+                  final dayNum = dayIndex + 1;
+                  final dayWorkouts = workouts
+                      .where((w) => w.day == dayNum.toString())
+                      .toList();
+
+                  return Expanded(
+                    child: Container(
+                      decoration: BoxDecoration(
+                        border: dayIndex < 6
+                            ? const Border(
+                                right: BorderSide(
+                                  color: Colors.grey,
+                                  width: 0.5,
+                                ),
+                              )
+                            : null,
+                        color: dayIndex % 2 == 0
+                            ? Theme.of(context).colorScheme.surfaceContainerLow
+                            : null,
+                      ),
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.stretch,
+                        children: [
+                          Container(
+                            padding: const EdgeInsets.all(8),
+                            decoration: BoxDecoration(
+                              color: Theme.of(
+                                context,
+                              ).colorScheme.surfaceContainerHigh,
+                              border: const Border(
+                                bottom: BorderSide(
+                                  color: Colors.grey,
+                                  width: 0.5,
+                                ),
+                              ),
+                            ),
+                            child: Row(
+                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                              children: [
+                                Text(
+                                  _getDayName(dayNum),
+                                  style: const TextStyle(
+                                    fontWeight: FontWeight.bold,
+                                  ),
+                                ),
+                                InkWell(
+                                  onTap: () =>
+                                      _showAddWorkoutSheet(context, dayNum),
+                                  borderRadius: BorderRadius.circular(16),
+                                  child: const Icon(
+                                    Icons.add_circle_outline,
+                                    size: 20,
+                                  ),
+                                ),
+                              ],
+                            ),
+                          ),
+                          Expanded(
+                            child: SingleChildScrollView(
+                              padding: const EdgeInsets.all(4),
+                              child: Column(
+                                children: [
+                                  if (dayWorkouts.isEmpty)
+                                    Padding(
+                                      padding: const EdgeInsets.only(top: 16.0),
+                                      child: Center(
+                                        child: Text(
+                                          "Rest",
+                                          style: TextStyle(
+                                            color: Theme.of(
+                                              context,
+                                            ).colorScheme.onSurfaceVariant,
+                                            fontSize: 12,
+                                          ),
+                                        ),
+                                      ),
+                                    )
+                                  else
+                                    ...dayWorkouts.map(
+                                      (w) => Card(
+                                        margin: const EdgeInsets.only(
+                                          bottom: 4,
+                                        ),
+                                        child: ListTile(
+                                          contentPadding:
+                                              const EdgeInsets.symmetric(
+                                                horizontal: 8,
+                                                vertical: 0,
+                                              ),
+                                          visualDensity: VisualDensity.compact,
+                                          title: Text(
+                                            w.name ?? 'Untitled',
+                                            style: const TextStyle(
+                                              fontSize: 12,
+                                            ),
+                                            maxLines: 2,
+                                            overflow: TextOverflow.ellipsis,
+                                          ),
+                                          trailing: InkWell(
+                                            onTap: () => onDeleteWorkout(w.id),
+                                            borderRadius: BorderRadius.circular(
+                                              12,
+                                            ),
+                                            child: const Icon(
+                                              Icons.close,
+                                              size: 14,
+                                            ),
+                                          ),
+                                          onTap: () {
+                                            // Optional: Edit on tap
+                                          },
+                                        ),
+                                      ),
+                                    ),
+                                ],
+                              ),
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  );
+                }),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  String _getDayName(int day) {
+    const days = [
+      'Monday',
+      'Tuesday',
+      'Wednesday',
+      'Thursday',
+      'Friday',
+      'Saturday',
+      'Sunday',
+    ];
+    if (day >= 1 && day <= 7) return days[day - 1];
+    return 'Day $day';
+  }
+
+  void _showAddWorkoutSheet(BuildContext context, int dayNum) {
+    showModalBottomSheet(
+      context: context,
+      builder: (context) => Container(
+        padding: const EdgeInsets.symmetric(vertical: 16),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Padding(
+              padding: const EdgeInsets.symmetric(
+                horizontal: 16.0,
+                vertical: 8.0,
+              ),
+              child: Text(
+                "Select Training Plan",
+                style: Theme.of(context).textTheme.titleMedium,
+              ),
+            ),
+            const Divider(),
+            if (availablePlans.isEmpty)
+              const Padding(
+                padding: EdgeInsets.all(16.0),
+                child: Center(
+                  child: Text("No training plans available. Create one first!"),
+                ),
+              ),
+            ...availablePlans
+                .map(
+                  (plan) => ListTile(
+                    leading: const Icon(Icons.fitness_center),
+                    title: Text(plan.name),
+                    subtitle: Text("${plan.totalExercises} exercises"),
+                    onTap: () {
+                      final newWorkout = ProgramWorkoutEntity(
+                        id: IdGenerator.generate(),
+                        programId: week.programId,
+                        weekId: week.id,
+                        day: dayNum.toString(),
+                        type: 'workout',
+                        name: plan.name,
+                        refId: plan.id,
+                        description: "${plan.sections.length} sections",
+                        completed: false,
+                      );
+                      onAddWorkout(newWorkout);
+                      Navigator.pop(context);
+                    },
+                  ),
+                )
+                .toList(),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/chat/chat_controller.dart

@@ -0,0 +1,109 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:trainhub_flutter/injection.dart';
+import 'package:trainhub_flutter/domain/repositories/chat_repository.dart';
+import 'package:trainhub_flutter/presentation/chat/chat_state.dart';
+
+part 'chat_controller.g.dart';
+
+@riverpod
+class ChatController extends _$ChatController {
+  late final ChatRepository _repo;
+
+  @override
+  Future<ChatState> build() async {
+    _repo = getIt<ChatRepository>();
+    final sessions = await _repo.getAllSessions();
+    return ChatState(sessions: sessions);
+  }
+
+  Future<void> createSession() async {
+    final session = await _repo.createSession();
+    final sessions = await _repo.getAllSessions();
+    state = AsyncValue.data(
+      ChatState(sessions: sessions, activeSession: session),
+    );
+  }
+
+  Future<void> loadSession(String id) async {
+    final session = await _repo.getSession(id);
+    if (session == null) return;
+    final messages = await _repo.getMessages(id);
+    final current = state.valueOrNull ?? const ChatState();
+    state = AsyncValue.data(
+      current.copyWith(activeSession: session, messages: messages),
+    );
+  }
+
+  Future<void> deleteSession(String id) async {
+    await _repo.deleteSession(id);
+    final sessions = await _repo.getAllSessions();
+    final current = state.valueOrNull ?? const ChatState();
+    state = AsyncValue.data(
+      current.copyWith(
+        sessions: sessions,
+        activeSession:
+            current.activeSession?.id == id ? null : current.activeSession,
+        messages: current.activeSession?.id == id ? [] : current.messages,
+      ),
+    );
+  }
+
+  Future<void> sendMessage(String content) async {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    String sessionId;
+    if (current.activeSession == null) {
+      final session = await _repo.createSession();
+      sessionId = session.id;
+      final sessions = await _repo.getAllSessions();
+      state = AsyncValue.data(
+        current.copyWith(sessions: sessions, activeSession: session),
+      );
+    } else {
+      sessionId = current.activeSession!.id;
+    }
+    await _repo.addMessage(
+      sessionId: sessionId,
+      role: 'user',
+      content: content,
+    );
+    final messagesAfterUser = await _repo.getMessages(sessionId);
+    state = AsyncValue.data(
+      state.valueOrNull!.copyWith(messages: messagesAfterUser, isTyping: true),
+    );
+    await Future<void>.delayed(const Duration(seconds: 1));
+    final String response = _getMockResponse(content);
+    await _repo.addMessage(
+      sessionId: sessionId,
+      role: 'assistant',
+      content: response,
+    );
+    final messagesAfterAi = await _repo.getMessages(sessionId);
+    if (messagesAfterAi.length <= 2) {
+      final title = content.length > 30
+          ? '${content.substring(0, 30)}...'
+          : content;
+      await _repo.updateSessionTitle(sessionId, title);
+    }
+    final sessions = await _repo.getAllSessions();
+    state = AsyncValue.data(
+      state.valueOrNull!.copyWith(
+        messages: messagesAfterAi,
+        isTyping: false,
+        sessions: sessions,
+      ),
+    );
+  }
+
+  String _getMockResponse(String input) {
+    final String lower = input.toLowerCase();
+    if (lower.contains('plan') || lower.contains('program')) {
+      return "I can help you design a training plan! What are your goals? Strength, hypertrophy, or endurance?";
+    } else if (lower.contains('squat') || lower.contains('bench')) {
+      return "Compound movements are great. Remember to maintain proper form. For squats, keep your chest up and knees tracking over toes.";
+    } else if (lower.contains('nutrition') || lower.contains('eat')) {
+      return "Nutrition is key. Aim for 1.6-2.2g of protein per kg of bodyweight if you're training hard.";
+    }
+    return "I'm your AI training assistant. How can I help you today?";
+  }
+}

lib/presentation/chat/chat_controller.g.dart

@@ -0,0 +1,26 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'chat_controller.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$chatControllerHash() => r'44a3d0e906eaad16f7a9c292fe847b8bd144c835';
+
+/// See also [ChatController].
+@ProviderFor(ChatController)
+final chatControllerProvider =
+    AutoDisposeAsyncNotifierProvider<ChatController, ChatState>.internal(
+      ChatController.new,
+      name: r'chatControllerProvider',
+      debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+          ? null
+          : _$chatControllerHash,
+      dependencies: null,
+      allTransitiveDependencies: null,
+    );
+
+typedef _$ChatController = AutoDisposeAsyncNotifier<ChatState>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/presentation/chat/chat_page.dart

@@ -0,0 +1,766 @@
+import 'dart:math' as math;
+
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+import 'package:trainhub_flutter/domain/entities/chat_message.dart';
+import 'package:trainhub_flutter/domain/entities/chat_session.dart';
+import 'package:trainhub_flutter/presentation/chat/chat_controller.dart';
+import 'package:trainhub_flutter/presentation/chat/chat_state.dart';
+
+@RoutePage()
+class ChatPage extends ConsumerStatefulWidget {
+  const ChatPage({super.key});
+
+  @override
+  ConsumerState<ChatPage> createState() => _ChatPageState();
+}
+
+class _ChatPageState extends ConsumerState<ChatPage> {
+  final TextEditingController _inputController = TextEditingController();
+  final ScrollController _scrollController = ScrollController();
+  final FocusNode _inputFocusNode = FocusNode();
+  String? _hoveredSessionId;
+
+  @override
+  void dispose() {
+    _inputController.dispose();
+    _scrollController.dispose();
+    _inputFocusNode.dispose();
+    super.dispose();
+  }
+
+  void _scrollToBottom() {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (_scrollController.hasClients) {
+        _scrollController.animateTo(
+          _scrollController.position.maxScrollExtent,
+          duration: const Duration(milliseconds: 300),
+          curve: Curves.easeOut,
+        );
+      }
+    });
+  }
+
+  void _sendMessage(ChatController controller) {
+    final text = _inputController.text.trim();
+    if (text.isNotEmpty) {
+      controller.sendMessage(text);
+      _inputController.clear();
+      _inputFocusNode.requestFocus();
+    }
+  }
+
+  String _formatTimestamp(String timestamp) {
+    try {
+      final dt = DateTime.parse(timestamp);
+      final now = DateTime.now();
+      final hour = dt.hour.toString().padLeft(2, '0');
+      final minute = dt.minute.toString().padLeft(2, '0');
+      if (dt.year == now.year &&
+          dt.month == now.month &&
+          dt.day == now.day) {
+        return '$hour:$minute';
+      }
+      return '${dt.day}/${dt.month} $hour:$minute';
+    } catch (_) {
+      return '';
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final state = ref.watch(chatControllerProvider);
+    final controller = ref.read(chatControllerProvider.notifier);
+
+    ref.listen(chatControllerProvider, (prev, next) {
+      if (next.hasValue &&
+          (prev?.value?.messages.length ?? 0) <
+              next.value!.messages.length) {
+        _scrollToBottom();
+      }
+      if (next.hasValue && next.value!.isTyping && !(prev?.value?.isTyping ?? false)) {
+        _scrollToBottom();
+      }
+    });
+
+    return Scaffold(
+      backgroundColor: AppColors.surface,
+      body: Row(
+        children: [
+          // --- Side Panel ---
+          _buildSidePanel(state, controller),
+
+          // --- Main Chat Area ---
+          Expanded(
+            child: _buildChatArea(state, controller),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ---------------------------------------------------------------------------
+  // Side Panel
+  // ---------------------------------------------------------------------------
+  Widget _buildSidePanel(
+    AsyncValue<ChatState> asyncState,
+    ChatController controller,
+  ) {
+    return Container(
+      width: 250,
+      decoration: const BoxDecoration(
+        color: AppColors.surfaceContainer,
+        border: Border(
+          right: BorderSide(color: AppColors.border, width: 1),
+        ),
+      ),
+      child: Column(
+        children: [
+          // New Chat button
+          Padding(
+            padding: const EdgeInsets.all(UIConstants.spacing12),
+            child: SizedBox(
+              width: double.infinity,
+              child: _NewChatButton(onPressed: controller.createSession),
+            ),
+          ),
+
+          const Divider(height: 1, color: AppColors.border),
+
+          // Session list
+          Expanded(
+            child: asyncState.when(
+              data: (data) {
+                if (data.sessions.isEmpty) {
+                  return Center(
+                    child: Padding(
+                      padding: const EdgeInsets.all(UIConstants.spacing24),
+                      child: Text(
+                        'No conversations yet',
+                        style: TextStyle(
+                          color: AppColors.textMuted,
+                          fontSize: 13,
+                        ),
+                      ),
+                    ),
+                  );
+                }
+                return ListView.builder(
+                  padding: const EdgeInsets.symmetric(
+                    vertical: UIConstants.spacing8,
+                  ),
+                  itemCount: data.sessions.length,
+                  itemBuilder: (context, index) {
+                    final session = data.sessions[index];
+                    final isActive =
+                        session.id == data.activeSession?.id;
+                    return _buildSessionTile(
+                      session: session,
+                      isActive: isActive,
+                      controller: controller,
+                    );
+                  },
+                );
+              },
+              error: (_, __) => Center(
+                child: Text(
+                  'Error loading sessions',
+                  style: TextStyle(color: AppColors.textMuted, fontSize: 13),
+                ),
+              ),
+              loading: () => const Center(
+                child: SizedBox(
+                  width: 20,
+                  height: 20,
+                  child: CircularProgressIndicator(
+                    strokeWidth: 2,
+                    color: AppColors.textMuted,
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildSessionTile({
+    required ChatSessionEntity session,
+    required bool isActive,
+    required ChatController controller,
+  }) {
+    final isHovered = _hoveredSessionId == session.id;
+
+    return MouseRegion(
+      onEnter: (_) => setState(() => _hoveredSessionId = session.id),
+      onExit: (_) => setState(() {
+        if (_hoveredSessionId == session.id) {
+          _hoveredSessionId = null;
+        }
+      }),
+      child: GestureDetector(
+        onTap: () => controller.loadSession(session.id),
+        child: AnimatedContainer(
+          duration: const Duration(milliseconds: 150),
+          margin: const EdgeInsets.symmetric(
+            horizontal: UIConstants.spacing8,
+            vertical: 2,
+          ),
+          padding: const EdgeInsets.symmetric(
+            horizontal: UIConstants.spacing12,
+            vertical: UIConstants.spacing8,
+          ),
+          decoration: BoxDecoration(
+            color: isActive
+                ? AppColors.zinc700.withValues(alpha: 0.7)
+                : isHovered
+                    ? AppColors.zinc800.withValues(alpha: 0.6)
+                    : Colors.transparent,
+            borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
+            border: isActive
+                ? Border.all(
+                    color: AppColors.accent.withValues(alpha: 0.3),
+                    width: 1,
+                  )
+                : null,
+          ),
+          child: Row(
+            children: [
+              Icon(
+                Icons.chat_bubble_outline_rounded,
+                size: 14,
+                color: isActive ? AppColors.accent : AppColors.textMuted,
+              ),
+              const SizedBox(width: UIConstants.spacing8),
+              Expanded(
+                child: Text(
+                  session.title ?? 'New Chat',
+                  maxLines: 1,
+                  overflow: TextOverflow.ellipsis,
+                  style: TextStyle(
+                    color: isActive
+                        ? AppColors.textPrimary
+                        : AppColors.textSecondary,
+                    fontSize: 13,
+                    fontWeight:
+                        isActive ? FontWeight.w500 : FontWeight.normal,
+                  ),
+                ),
+              ),
+              // Delete button appears on hover
+              AnimatedOpacity(
+                duration: const Duration(milliseconds: 150),
+                opacity: isHovered ? 1.0 : 0.0,
+                child: IgnorePointer(
+                  ignoring: !isHovered,
+                  child: SizedBox(
+                    width: 24,
+                    height: 24,
+                    child: IconButton(
+                      padding: EdgeInsets.zero,
+                      iconSize: 14,
+                      splashRadius: 14,
+                      icon: const Icon(
+                        Icons.delete_outline_rounded,
+                        color: AppColors.textMuted,
+                      ),
+                      onPressed: () => controller.deleteSession(session.id),
+                      tooltip: 'Delete',
+                    ),
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  // ---------------------------------------------------------------------------
+  // Chat Area
+  // ---------------------------------------------------------------------------
+  Widget _buildChatArea(
+    AsyncValue<ChatState> asyncState,
+    ChatController controller,
+  ) {
+    return Column(
+      children: [
+        // Messages
+        Expanded(
+          child: asyncState.when(
+            data: (data) {
+              if (data.messages.isEmpty) {
+                return _buildEmptyState();
+              }
+              return ListView.builder(
+                controller: _scrollController,
+                padding: const EdgeInsets.symmetric(
+                  horizontal: UIConstants.spacing24,
+                  vertical: UIConstants.spacing16,
+                ),
+                itemCount:
+                    data.messages.length + (data.isTyping ? 1 : 0),
+                itemBuilder: (context, index) {
+                  if (index == data.messages.length) {
+                    return const _TypingIndicator();
+                  }
+                  final msg = data.messages[index];
+                  return _MessageBubble(
+                    message: msg,
+                    formattedTime: _formatTimestamp(msg.createdAt),
+                  );
+                },
+              );
+            },
+            error: (e, _) => Center(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  const Icon(
+                    Icons.error_outline_rounded,
+                    color: AppColors.destructive,
+                    size: 40,
+                  ),
+                  const SizedBox(height: UIConstants.spacing12),
+                  Text(
+                    'Something went wrong',
+                    style: TextStyle(
+                      color: AppColors.textSecondary,
+                      fontSize: 14,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+            loading: () => const Center(
+              child: SizedBox(
+                width: 24,
+                height: 24,
+                child: CircularProgressIndicator(
+                  strokeWidth: 2,
+                  color: AppColors.textMuted,
+                ),
+              ),
+            ),
+          ),
+        ),
+
+        // Input area
+        _buildInputBar(asyncState, controller),
+      ],
+    );
+  }
+
+  Widget _buildEmptyState() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Container(
+            width: 64,
+            height: 64,
+            decoration: BoxDecoration(
+              color: AppColors.surfaceContainerHigh,
+              borderRadius: BorderRadius.circular(16),
+            ),
+            child: const Icon(
+              Icons.auto_awesome_outlined,
+              size: 32,
+              color: AppColors.textMuted,
+            ),
+          ),
+          const SizedBox(height: UIConstants.spacing16),
+          const Text(
+            'Ask me anything about your training!',
+            style: TextStyle(
+              color: AppColors.textSecondary,
+              fontSize: 15,
+              fontWeight: FontWeight.w500,
+            ),
+          ),
+          const SizedBox(height: UIConstants.spacing8),
+          const Text(
+            'Start a conversation to get personalized advice.',
+            style: TextStyle(
+              color: AppColors.textMuted,
+              fontSize: 13,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ---------------------------------------------------------------------------
+  // Input Bar
+  // ---------------------------------------------------------------------------
+  Widget _buildInputBar(
+    AsyncValue<ChatState> asyncState,
+    ChatController controller,
+  ) {
+    final isTyping = asyncState.valueOrNull?.isTyping ?? false;
+
+    return Container(
+      decoration: const BoxDecoration(
+        color: AppColors.surface,
+        border: Border(
+          top: BorderSide(color: AppColors.border, width: 1),
+        ),
+      ),
+      padding: const EdgeInsets.symmetric(
+        horizontal: UIConstants.spacing16,
+        vertical: UIConstants.spacing12,
+      ),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.end,
+        children: [
+          Expanded(
+            child: Container(
+              decoration: BoxDecoration(
+                color: AppColors.surfaceContainer,
+                borderRadius:
+                    BorderRadius.circular(UIConstants.borderRadius),
+                border: Border.all(color: AppColors.border, width: 1),
+              ),
+              child: TextField(
+                controller: _inputController,
+                focusNode: _inputFocusNode,
+                style: const TextStyle(
+                  color: AppColors.textPrimary,
+                  fontSize: 14,
+                ),
+                maxLines: 4,
+                minLines: 1,
+                decoration: InputDecoration(
+                  hintText: 'Type a message...',
+                  hintStyle: TextStyle(
+                    color: AppColors.textMuted,
+                    fontSize: 14,
+                  ),
+                  contentPadding: const EdgeInsets.symmetric(
+                    horizontal: UIConstants.spacing16,
+                    vertical: UIConstants.spacing12,
+                  ),
+                  border: InputBorder.none,
+                  enabledBorder: InputBorder.none,
+                  focusedBorder: InputBorder.none,
+                ),
+                onSubmitted: (_) => _sendMessage(controller),
+                textInputAction: TextInputAction.send,
+              ),
+            ),
+          ),
+          const SizedBox(width: UIConstants.spacing8),
+          SizedBox(
+            width: 40,
+            height: 40,
+            child: Material(
+              color: isTyping ? AppColors.zinc700 : AppColors.accent,
+              borderRadius:
+                  BorderRadius.circular(UIConstants.borderRadius),
+              child: InkWell(
+                borderRadius:
+                    BorderRadius.circular(UIConstants.borderRadius),
+                onTap: isTyping ? null : () => _sendMessage(controller),
+                child: Icon(
+                  Icons.arrow_upward_rounded,
+                  color: isTyping ? AppColors.textMuted : AppColors.zinc950,
+                  size: 20,
+                ),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+// =============================================================================
+// New Chat Button
+// =============================================================================
+class _NewChatButton extends StatefulWidget {
+  const _NewChatButton({required this.onPressed});
+
+  final VoidCallback onPressed;
+
+  @override
+  State<_NewChatButton> createState() => _NewChatButtonState();
+}
+
+class _NewChatButtonState extends State<_NewChatButton> {
+  bool _isHovered = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return MouseRegion(
+      onEnter: (_) => setState(() => _isHovered = true),
+      onExit: (_) => setState(() => _isHovered = false),
+      child: AnimatedContainer(
+        duration: const Duration(milliseconds: 150),
+        decoration: BoxDecoration(
+          color: _isHovered
+              ? AppColors.zinc700
+              : AppColors.surfaceContainerHigh,
+          borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
+          border: Border.all(color: AppColors.border, width: 1),
+        ),
+        child: Material(
+          color: Colors.transparent,
+          child: InkWell(
+            borderRadius:
+                BorderRadius.circular(UIConstants.smallBorderRadius),
+            onTap: widget.onPressed,
+            child: Padding(
+              padding: const EdgeInsets.symmetric(
+                horizontal: UIConstants.spacing12,
+                vertical: UIConstants.spacing8,
+              ),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: const [
+                  Icon(
+                    Icons.add_rounded,
+                    size: 16,
+                    color: AppColors.textSecondary,
+                  ),
+                  SizedBox(width: UIConstants.spacing8),
+                  Text(
+                    'New Chat',
+                    style: TextStyle(
+                      color: AppColors.textSecondary,
+                      fontSize: 13,
+                      fontWeight: FontWeight.w500,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+// =============================================================================
+// Message Bubble
+// =============================================================================
+class _MessageBubble extends StatelessWidget {
+  const _MessageBubble({
+    required this.message,
+    required this.formattedTime,
+  });
+
+  final ChatMessageEntity message;
+  final String formattedTime;
+
+  @override
+  Widget build(BuildContext context) {
+    final isUser = message.isUser;
+    final maxWidth = MediaQuery.of(context).size.width * 0.55;
+
+    return Padding(
+      padding: const EdgeInsets.only(bottom: UIConstants.spacing12),
+      child: Row(
+        mainAxisAlignment:
+            isUser ? MainAxisAlignment.end : MainAxisAlignment.start,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          if (!isUser) ...[
+            Container(
+              width: 28,
+              height: 28,
+              decoration: BoxDecoration(
+                color: AppColors.surfaceContainerHigh,
+                borderRadius: BorderRadius.circular(8),
+              ),
+              child: const Icon(
+                Icons.auto_awesome_rounded,
+                size: 14,
+                color: AppColors.accent,
+              ),
+            ),
+            const SizedBox(width: UIConstants.spacing8),
+          ],
+          Flexible(
+            child: Column(
+              crossAxisAlignment:
+                  isUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
+              children: [
+                Container(
+                  constraints: BoxConstraints(maxWidth: maxWidth),
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: UIConstants.spacing16,
+                    vertical: UIConstants.spacing12,
+                  ),
+                  decoration: BoxDecoration(
+                    color: isUser
+                        ? AppColors.zinc700
+                        : AppColors.surfaceContainer,
+                    borderRadius: BorderRadius.only(
+                      topLeft: const Radius.circular(16),
+                      topRight: const Radius.circular(16),
+                      bottomLeft:
+                          isUser ? const Radius.circular(16) : const Radius.circular(4),
+                      bottomRight:
+                          isUser ? const Radius.circular(4) : const Radius.circular(16),
+                    ),
+                    border: isUser
+                        ? null
+                        : Border.all(color: AppColors.border, width: 1),
+                  ),
+                  child: SelectableText(
+                    message.content,
+                    style: TextStyle(
+                      color: AppColors.textPrimary,
+                      fontSize: 14,
+                      height: 1.5,
+                    ),
+                  ),
+                ),
+                const SizedBox(height: 4),
+                Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 4),
+                  child: Text(
+                    formattedTime,
+                    style: const TextStyle(
+                      color: AppColors.textMuted,
+                      fontSize: 11,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
+          if (isUser) ...[
+            const SizedBox(width: UIConstants.spacing8),
+            Container(
+              width: 28,
+              height: 28,
+              decoration: BoxDecoration(
+                color: AppColors.accent.withValues(alpha: 0.15),
+                borderRadius: BorderRadius.circular(8),
+              ),
+              child: const Icon(
+                Icons.person_rounded,
+                size: 14,
+                color: AppColors.accent,
+              ),
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+}
+
+// =============================================================================
+// Typing Indicator  (3 animated bouncing dots)
+// =============================================================================
+class _TypingIndicator extends StatefulWidget {
+  const _TypingIndicator();
+
+  @override
+  State<_TypingIndicator> createState() => _TypingIndicatorState();
+}
+
+class _TypingIndicatorState extends State<_TypingIndicator>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _controller;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 1200),
+    )..repeat();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: UIConstants.spacing12),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Container(
+            width: 28,
+            height: 28,
+            decoration: BoxDecoration(
+              color: AppColors.surfaceContainerHigh,
+              borderRadius: BorderRadius.circular(8),
+            ),
+            child: const Icon(
+              Icons.auto_awesome_rounded,
+              size: 14,
+              color: AppColors.accent,
+            ),
+          ),
+          const SizedBox(width: UIConstants.spacing8),
+          Container(
+            padding: const EdgeInsets.symmetric(
+              horizontal: UIConstants.spacing16,
+              vertical: UIConstants.spacing12,
+            ),
+            decoration: BoxDecoration(
+              color: AppColors.surfaceContainer,
+              borderRadius: const BorderRadius.only(
+                topLeft: Radius.circular(16),
+                topRight: Radius.circular(16),
+                bottomLeft: Radius.circular(4),
+                bottomRight: Radius.circular(16),
+              ),
+              border: Border.all(color: AppColors.border, width: 1),
+            ),
+            child: AnimatedBuilder(
+              animation: _controller,
+              builder: (context, _) {
+                return Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: List.generate(3, (index) {
+                    // Stagger each dot by 0.2 of the animation cycle
+                    final delay = index * 0.2;
+                    final t = (_controller.value - delay) % 1.0;
+                    // Bounce: use a sin curve over the first half, rest at 0
+                    final bounce =
+                        t < 0.5 ? math.sin(t * math.pi * 2) * 4.0 : 0.0;
+
+                    return Padding(
+                      padding: EdgeInsets.only(
+                        left: index == 0 ? 0 : 4,
+                      ),
+                      child: Transform.translate(
+                        offset: Offset(0, -bounce.abs()),
+                        child: Container(
+                          width: 7,
+                          height: 7,
+                          decoration: BoxDecoration(
+                            color: AppColors.textMuted,
+                            shape: BoxShape.circle,
+                          ),
+                        ),
+                      ),
+                    );
+                  }),
+                );
+              },
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/presentation/chat/chat_state.dart

@@ -0,0 +1,15 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/chat_session.dart';
+import 'package:trainhub_flutter/domain/entities/chat_message.dart';
+
+part 'chat_state.freezed.dart';
+
+@freezed
+class ChatState with _$ChatState {
+  const factory ChatState({
+    @Default([]) List<ChatSessionEntity> sessions,
+    ChatSessionEntity? activeSession,
+    @Default([]) List<ChatMessageEntity> messages,
+    @Default(false) bool isTyping,
+  }) = _ChatState;
+}

lib/presentation/chat/chat_state.freezed.dart

@@ -0,0 +1,261 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'chat_state.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$ChatState {
+  List<ChatSessionEntity> get sessions => throw _privateConstructorUsedError;
+  ChatSessionEntity? get activeSession => throw _privateConstructorUsedError;
+  List<ChatMessageEntity> get messages => throw _privateConstructorUsedError;
+  bool get isTyping => throw _privateConstructorUsedError;
+
+  /// Create a copy of ChatState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $ChatStateCopyWith<ChatState> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ChatStateCopyWith<$Res> {
+  factory $ChatStateCopyWith(ChatState value, $Res Function(ChatState) then) =
+      _$ChatStateCopyWithImpl<$Res, ChatState>;
+  @useResult
+  $Res call({
+    List<ChatSessionEntity> sessions,
+    ChatSessionEntity? activeSession,
+    List<ChatMessageEntity> messages,
+    bool isTyping,
+  });
+
+  $ChatSessionEntityCopyWith<$Res>? get activeSession;
+}
+
+/// @nodoc
+class _$ChatStateCopyWithImpl<$Res, $Val extends ChatState>
+    implements $ChatStateCopyWith<$Res> {
+  _$ChatStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of ChatState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? sessions = null,
+    Object? activeSession = freezed,
+    Object? messages = null,
+    Object? isTyping = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            sessions: null == sessions
+                ? _value.sessions
+                : sessions // ignore: cast_nullable_to_non_nullable
+                      as List<ChatSessionEntity>,
+            activeSession: freezed == activeSession
+                ? _value.activeSession
+                : activeSession // ignore: cast_nullable_to_non_nullable
+                      as ChatSessionEntity?,
+            messages: null == messages
+                ? _value.messages
+                : messages // ignore: cast_nullable_to_non_nullable
+                      as List<ChatMessageEntity>,
+            isTyping: null == isTyping
+                ? _value.isTyping
+                : isTyping // ignore: cast_nullable_to_non_nullable
+                      as bool,
+          )
+          as $Val,
+    );
+  }
+
+  /// Create a copy of ChatState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @pragma('vm:prefer-inline')
+  $ChatSessionEntityCopyWith<$Res>? get activeSession {
+    if (_value.activeSession == null) {
+      return null;
+    }
+
+    return $ChatSessionEntityCopyWith<$Res>(_value.activeSession!, (value) {
+      return _then(_value.copyWith(activeSession: value) as $Val);
+    });
+  }
+}
+
+/// @nodoc
+abstract class _$$ChatStateImplCopyWith<$Res>
+    implements $ChatStateCopyWith<$Res> {
+  factory _$$ChatStateImplCopyWith(
+    _$ChatStateImpl value,
+    $Res Function(_$ChatStateImpl) then,
+  ) = __$$ChatStateImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    List<ChatSessionEntity> sessions,
+    ChatSessionEntity? activeSession,
+    List<ChatMessageEntity> messages,
+    bool isTyping,
+  });
+
+  @override
+  $ChatSessionEntityCopyWith<$Res>? get activeSession;
+}
+
+/// @nodoc
+class __$$ChatStateImplCopyWithImpl<$Res>
+    extends _$ChatStateCopyWithImpl<$Res, _$ChatStateImpl>
+    implements _$$ChatStateImplCopyWith<$Res> {
+  __$$ChatStateImplCopyWithImpl(
+    _$ChatStateImpl _value,
+    $Res Function(_$ChatStateImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of ChatState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? sessions = null,
+    Object? activeSession = freezed,
+    Object? messages = null,
+    Object? isTyping = null,
+  }) {
+    return _then(
+      _$ChatStateImpl(
+        sessions: null == sessions
+            ? _value._sessions
+            : sessions // ignore: cast_nullable_to_non_nullable
+                  as List<ChatSessionEntity>,
+        activeSession: freezed == activeSession
+            ? _value.activeSession
+            : activeSession // ignore: cast_nullable_to_non_nullable
+                  as ChatSessionEntity?,
+        messages: null == messages
+            ? _value._messages
+            : messages // ignore: cast_nullable_to_non_nullable
+                  as List<ChatMessageEntity>,
+        isTyping: null == isTyping
+            ? _value.isTyping
+            : isTyping // ignore: cast_nullable_to_non_nullable
+                  as bool,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$ChatStateImpl implements _ChatState {
+  const _$ChatStateImpl({
+    final List<ChatSessionEntity> sessions = const [],
+    this.activeSession,
+    final List<ChatMessageEntity> messages = const [],
+    this.isTyping = false,
+  }) : _sessions = sessions,
+       _messages = messages;
+
+  final List<ChatSessionEntity> _sessions;
+  @override
+  @JsonKey()
+  List<ChatSessionEntity> get sessions {
+    if (_sessions is EqualUnmodifiableListView) return _sessions;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_sessions);
+  }
+
+  @override
+  final ChatSessionEntity? activeSession;
+  final List<ChatMessageEntity> _messages;
+  @override
+  @JsonKey()
+  List<ChatMessageEntity> get messages {
+    if (_messages is EqualUnmodifiableListView) return _messages;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_messages);
+  }
+
+  @override
+  @JsonKey()
+  final bool isTyping;
+
+  @override
+  String toString() {
+    return 'ChatState(sessions: $sessions, activeSession: $activeSession, messages: $messages, isTyping: $isTyping)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ChatStateImpl &&
+            const DeepCollectionEquality().equals(other._sessions, _sessions) &&
+            (identical(other.activeSession, activeSession) ||
+                other.activeSession == activeSession) &&
+            const DeepCollectionEquality().equals(other._messages, _messages) &&
+            (identical(other.isTyping, isTyping) ||
+                other.isTyping == isTyping));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    const DeepCollectionEquality().hash(_sessions),
+    activeSession,
+    const DeepCollectionEquality().hash(_messages),
+    isTyping,
+  );
+
+  /// Create a copy of ChatState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ChatStateImplCopyWith<_$ChatStateImpl> get copyWith =>
+      __$$ChatStateImplCopyWithImpl<_$ChatStateImpl>(this, _$identity);
+}
+
+abstract class _ChatState implements ChatState {
+  const factory _ChatState({
+    final List<ChatSessionEntity> sessions,
+    final ChatSessionEntity? activeSession,
+    final List<ChatMessageEntity> messages,
+    final bool isTyping,
+  }) = _$ChatStateImpl;
+
+  @override
+  List<ChatSessionEntity> get sessions;
+  @override
+  ChatSessionEntity? get activeSession;
+  @override
+  List<ChatMessageEntity> get messages;
+  @override
+  bool get isTyping;
+
+  /// Create a copy of ChatState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ChatStateImplCopyWith<_$ChatStateImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/presentation/common/dialogs/confirm_dialog.dart

@@ -0,0 +1,105 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+class ConfirmDialog {
+  ConfirmDialog._();
+
+  static Future<bool?> show(
+    BuildContext context, {
+    required String title,
+    required String message,
+    String confirmLabel = 'Delete',
+    Color? confirmColor,
+  }) {
+    final color = confirmColor ?? AppColors.destructive;
+
+    return showDialog<bool>(
+      context: context,
+      builder: (context) => Dialog(
+        backgroundColor: AppColors.surfaceContainer,
+        shape: RoundedRectangleBorder(
+          borderRadius: UIConstants.cardBorderRadius,
+          side: const BorderSide(color: AppColors.border),
+        ),
+        child: ConstrainedBox(
+          constraints: const BoxConstraints(maxWidth: UIConstants.dialogWidth),
+          child: Padding(
+            padding: const EdgeInsets.all(UIConstants.pagePadding),
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  title,
+                  style: GoogleFonts.inter(
+                    fontSize: 16,
+                    fontWeight: FontWeight.w600,
+                    color: AppColors.textPrimary,
+                  ),
+                ),
+                const SizedBox(height: UIConstants.spacing8),
+                Text(
+                  message,
+                  style: GoogleFonts.inter(
+                    fontSize: 14,
+                    color: AppColors.textSecondary,
+                  ),
+                ),
+                const SizedBox(height: UIConstants.spacing24),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.end,
+                  children: [
+                    TextButton(
+                      onPressed: () => Navigator.of(context).pop(false),
+                      style: TextButton.styleFrom(
+                        foregroundColor: AppColors.textSecondary,
+                        shape: RoundedRectangleBorder(
+                          borderRadius: UIConstants.smallCardBorderRadius,
+                        ),
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: UIConstants.spacing16,
+                          vertical: UIConstants.spacing12,
+                        ),
+                      ),
+                      child: Text(
+                        'Cancel',
+                        style: GoogleFonts.inter(
+                          fontSize: 14,
+                          fontWeight: FontWeight.w500,
+                        ),
+                      ),
+                    ),
+                    const SizedBox(width: UIConstants.spacing8),
+                    FilledButton(
+                      onPressed: () => Navigator.of(context).pop(true),
+                      style: FilledButton.styleFrom(
+                        backgroundColor: color,
+                        foregroundColor: AppColors.zinc50,
+                        shape: RoundedRectangleBorder(
+                          borderRadius: UIConstants.smallCardBorderRadius,
+                        ),
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: UIConstants.spacing16,
+                          vertical: UIConstants.spacing12,
+                        ),
+                      ),
+                      child: Text(
+                        confirmLabel,
+                        style: GoogleFonts.inter(
+                          fontSize: 14,
+                          fontWeight: FontWeight.w600,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/presentation/common/dialogs/text_input_dialog.dart

@@ -0,0 +1,143 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+class TextInputDialog {
+  TextInputDialog._();
+
+  static Future<String?> show(
+    BuildContext context, {
+    required String title,
+    String? hintText,
+    String? initialValue,
+    String confirmLabel = 'Create',
+  }) {
+    final controller = TextEditingController(text: initialValue);
+
+    return showDialog<String>(
+      context: context,
+      builder: (context) => Dialog(
+        backgroundColor: AppColors.surfaceContainer,
+        shape: RoundedRectangleBorder(
+          borderRadius: UIConstants.cardBorderRadius,
+          side: const BorderSide(color: AppColors.border),
+        ),
+        child: ConstrainedBox(
+          constraints: const BoxConstraints(maxWidth: UIConstants.dialogWidth),
+          child: Padding(
+            padding: const EdgeInsets.all(UIConstants.pagePadding),
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  title,
+                  style: GoogleFonts.inter(
+                    fontSize: 16,
+                    fontWeight: FontWeight.w600,
+                    color: AppColors.textPrimary,
+                  ),
+                ),
+                const SizedBox(height: UIConstants.spacing16),
+                TextField(
+                  controller: controller,
+                  autofocus: true,
+                  style: GoogleFonts.inter(
+                    fontSize: 14,
+                    color: AppColors.textPrimary,
+                  ),
+                  cursorColor: AppColors.accent,
+                  decoration: InputDecoration(
+                    hintText: hintText,
+                    hintStyle: GoogleFonts.inter(
+                      fontSize: 14,
+                      color: AppColors.textMuted,
+                    ),
+                    filled: true,
+                    fillColor: AppColors.zinc950,
+                    contentPadding: const EdgeInsets.symmetric(
+                      horizontal: UIConstants.spacing12,
+                      vertical: UIConstants.spacing12,
+                    ),
+                    border: OutlineInputBorder(
+                      borderRadius: UIConstants.smallCardBorderRadius,
+                      borderSide: const BorderSide(color: AppColors.border),
+                    ),
+                    enabledBorder: OutlineInputBorder(
+                      borderRadius: UIConstants.smallCardBorderRadius,
+                      borderSide: const BorderSide(color: AppColors.border),
+                    ),
+                    focusedBorder: OutlineInputBorder(
+                      borderRadius: UIConstants.smallCardBorderRadius,
+                      borderSide: const BorderSide(color: AppColors.accent),
+                    ),
+                  ),
+                  onSubmitted: (value) {
+                    final text = value.trim();
+                    if (text.isNotEmpty) {
+                      Navigator.of(context).pop(text);
+                    }
+                  },
+                ),
+                const SizedBox(height: UIConstants.spacing24),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.end,
+                  children: [
+                    TextButton(
+                      onPressed: () => Navigator.of(context).pop(),
+                      style: TextButton.styleFrom(
+                        foregroundColor: AppColors.textSecondary,
+                        shape: RoundedRectangleBorder(
+                          borderRadius: UIConstants.smallCardBorderRadius,
+                        ),
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: UIConstants.spacing16,
+                          vertical: UIConstants.spacing12,
+                        ),
+                      ),
+                      child: Text(
+                        'Cancel',
+                        style: GoogleFonts.inter(
+                          fontSize: 14,
+                          fontWeight: FontWeight.w500,
+                        ),
+                      ),
+                    ),
+                    const SizedBox(width: UIConstants.spacing8),
+                    FilledButton(
+                      onPressed: () {
+                        final text = controller.text.trim();
+                        if (text.isNotEmpty) {
+                          Navigator.of(context).pop(text);
+                        }
+                      },
+                      style: FilledButton.styleFrom(
+                        backgroundColor: AppColors.accent,
+                        foregroundColor: AppColors.zinc950,
+                        shape: RoundedRectangleBorder(
+                          borderRadius: UIConstants.smallCardBorderRadius,
+                        ),
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: UIConstants.spacing16,
+                          vertical: UIConstants.spacing12,
+                        ),
+                      ),
+                      child: Text(
+                        confirmLabel,
+                        style: GoogleFonts.inter(
+                          fontSize: 14,
+                          fontWeight: FontWeight.w600,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/presentation/common/widgets/app_empty_state.dart

@@ -0,0 +1,94 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+class AppEmptyState extends StatelessWidget {
+  const AppEmptyState({
+    super.key,
+    required this.icon,
+    required this.title,
+    this.subtitle,
+    this.actionLabel,
+    this.onAction,
+  });
+
+  final IconData icon;
+  final String title;
+  final String? subtitle;
+  final String? actionLabel;
+  final VoidCallback? onAction;
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(UIConstants.pagePadding),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Container(
+              width: 64,
+              height: 64,
+              decoration: BoxDecoration(
+                color: AppColors.surfaceContainer,
+                borderRadius: BorderRadius.circular(UIConstants.borderRadius),
+                border: Border.all(color: AppColors.border),
+              ),
+              child: Icon(
+                icon,
+                size: 28,
+                color: AppColors.textMuted,
+              ),
+            ),
+            const SizedBox(height: UIConstants.spacing16),
+            Text(
+              title,
+              style: GoogleFonts.inter(
+                fontSize: 16,
+                fontWeight: FontWeight.w600,
+                color: AppColors.textPrimary,
+              ),
+              textAlign: TextAlign.center,
+            ),
+            if (subtitle != null) ...[
+              const SizedBox(height: UIConstants.spacing8),
+              Text(
+                subtitle!,
+                style: GoogleFonts.inter(
+                  fontSize: 14,
+                  color: AppColors.textSecondary,
+                ),
+                textAlign: TextAlign.center,
+              ),
+            ],
+            if (actionLabel != null && onAction != null) ...[
+              const SizedBox(height: UIConstants.spacing24),
+              FilledButton(
+                onPressed: onAction,
+                style: FilledButton.styleFrom(
+                  backgroundColor: AppColors.accent,
+                  foregroundColor: AppColors.zinc950,
+                  shape: RoundedRectangleBorder(
+                    borderRadius: UIConstants.smallCardBorderRadius,
+                  ),
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: UIConstants.spacing24,
+                    vertical: UIConstants.spacing12,
+                  ),
+                ),
+                child: Text(
+                  actionLabel!,
+                  style: GoogleFonts.inter(
+                    fontSize: 14,
+                    fontWeight: FontWeight.w600,
+                  ),
+                ),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/common/widgets/app_stat_card.dart

@@ -0,0 +1,85 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+class AppStatCard extends StatelessWidget {
+  const AppStatCard({
+    super.key,
+    required this.title,
+    required this.value,
+    required this.accentColor,
+    this.icon,
+  });
+
+  final String title;
+  final String value;
+  final Color accentColor;
+  final IconData? icon;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        color: AppColors.surfaceContainer,
+        borderRadius: UIConstants.cardBorderRadius,
+        border: Border.all(color: AppColors.border),
+      ),
+      child: ClipRRect(
+        borderRadius: UIConstants.cardBorderRadius,
+        child: Row(
+          children: [
+            Container(
+              width: 4,
+              height: 72,
+              color: accentColor,
+            ),
+            Expanded(
+              child: Padding(
+                padding: const EdgeInsets.symmetric(
+                  horizontal: UIConstants.cardPadding,
+                  vertical: UIConstants.spacing12,
+                ),
+                child: Row(
+                  children: [
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          Text(
+                            title,
+                            style: GoogleFonts.inter(
+                              fontSize: 12,
+                              fontWeight: FontWeight.w500,
+                              color: AppColors.textMuted,
+                            ),
+                          ),
+                          const SizedBox(height: UIConstants.spacing4),
+                          Text(
+                            value,
+                            style: GoogleFonts.inter(
+                              fontSize: 24,
+                              fontWeight: FontWeight.w700,
+                              color: AppColors.textPrimary,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                    if (icon != null)
+                      Icon(
+                        icon,
+                        size: 20,
+                        color: accentColor,
+                      ),
+                  ],
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/home/home_controller.dart

@@ -0,0 +1,32 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:trainhub_flutter/injection.dart';
+import 'package:trainhub_flutter/domain/repositories/program_repository.dart';
+import 'package:trainhub_flutter/presentation/home/home_state.dart';
+
+part 'home_controller.g.dart';
+
+@riverpod
+class HomeController extends _$HomeController {
+  @override
+  Future<HomeState> build() async {
+    final ProgramRepository programRepo = getIt<ProgramRepository>();
+    final programs = await programRepo.getAllPrograms();
+    if (programs.isEmpty) return const HomeState();
+    final activeProgram = programs.first;
+    final workouts = await programRepo.getWorkouts(activeProgram.id);
+    final completed = workouts.where((w) => w.completed).toList();
+    final next = workouts.where((w) => !w.completed).firstOrNull;
+    return HomeState(
+      activeProgramName: activeProgram.name,
+      completedWorkouts: completed.length,
+      totalWorkouts: workouts.length,
+      nextWorkoutName: next?.name,
+      recentActivity: completed.reversed.take(5).toList(),
+    );
+  }
+
+  Future<void> refresh() async {
+    state = const AsyncValue.loading();
+    state = await AsyncValue.guard(() => build());
+  }
+}

lib/presentation/home/home_controller.g.dart

@@ -0,0 +1,26 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'home_controller.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$homeControllerHash() => r'9704c0237cda64f1c13b4fd6db4fbc6eca9988f8';
+
+/// See also [HomeController].
+@ProviderFor(HomeController)
+final homeControllerProvider =
+    AutoDisposeAsyncNotifierProvider<HomeController, HomeState>.internal(
+      HomeController.new,
+      name: r'homeControllerProvider',
+      debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+          ? null
+          : _$homeControllerHash,
+      dependencies: null,
+      allTransitiveDependencies: null,
+    );
+
+typedef _$HomeController = AutoDisposeAsyncNotifier<HomeState>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/presentation/home/home_page.dart

@@ -0,0 +1,699 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:trainhub_flutter/core/constants/ui_constants.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+import 'package:trainhub_flutter/presentation/common/widgets/app_empty_state.dart';
+import 'package:trainhub_flutter/presentation/common/widgets/app_stat_card.dart';
+import 'package:trainhub_flutter/presentation/home/home_controller.dart';
+import 'package:trainhub_flutter/presentation/home/home_state.dart';
+
+@RoutePage()
+class HomePage extends ConsumerWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final asyncState = ref.watch(homeControllerProvider);
+
+    return asyncState.when(
+      loading: () => const Center(child: CircularProgressIndicator()),
+      error: (e, _) => Center(
+        child: Padding(
+          padding: const EdgeInsets.all(UIConstants.pagePadding),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Icon(
+                Icons.error_outline,
+                size: 48,
+                color: AppColors.destructive,
+              ),
+              const SizedBox(height: UIConstants.spacing16),
+              Text(
+                'Something went wrong',
+                style: GoogleFonts.inter(
+                  fontSize: 16,
+                  fontWeight: FontWeight.w600,
+                  color: AppColors.textPrimary,
+                ),
+              ),
+              const SizedBox(height: UIConstants.spacing8),
+              Text(
+                '$e',
+                style: GoogleFonts.inter(
+                  fontSize: 13,
+                  color: AppColors.textMuted,
+                ),
+                textAlign: TextAlign.center,
+              ),
+              const SizedBox(height: UIConstants.spacing24),
+              FilledButton.icon(
+                onPressed: () =>
+                    ref.read(homeControllerProvider.notifier).refresh(),
+                icon: const Icon(Icons.refresh, size: 18),
+                label: const Text('Retry'),
+              ),
+            ],
+          ),
+        ),
+      ),
+      data: (data) {
+        if (data.activeProgramName == null) {
+          return AppEmptyState(
+            icon: Icons.calendar_today_outlined,
+            title: 'No active program',
+            subtitle:
+                'Head to Calendar to create or select a training program to get started.',
+            actionLabel: 'Go to Calendar',
+            onAction: () {
+              AutoTabsRouter.of(context).setActiveIndex(3);
+            },
+          );
+        }
+        return _HomeContent(data: data);
+      },
+    );
+  }
+}
+
+class _HomeContent extends StatelessWidget {
+  final HomeState data;
+
+  const _HomeContent({required this.data});
+
+  @override
+  Widget build(BuildContext context) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(UIConstants.pagePadding),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // -- Welcome header --
+          _WelcomeHeader(programName: data.activeProgramName!),
+          const SizedBox(height: UIConstants.spacing24),
+
+          // -- Stat cards row --
+          _StatCardsRow(
+            completed: data.completedWorkouts,
+            total: data.totalWorkouts,
+          ),
+          const SizedBox(height: UIConstants.spacing24),
+
+          // -- Next workout banner --
+          if (data.nextWorkoutName != null) ...[
+            _NextWorkoutBanner(workoutName: data.nextWorkoutName!),
+            const SizedBox(height: UIConstants.spacing24),
+          ],
+
+          // -- Quick actions --
+          _QuickActionsRow(),
+          const SizedBox(height: UIConstants.spacing32),
+
+          // -- Recent activity --
+          _RecentActivitySection(activity: data.recentActivity),
+        ],
+      ),
+    );
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Welcome header
+// ---------------------------------------------------------------------------
+class _WelcomeHeader extends StatelessWidget {
+  final String programName;
+
+  const _WelcomeHeader({required this.programName});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          'Welcome back',
+          style: GoogleFonts.inter(
+            fontSize: 14,
+            fontWeight: FontWeight.w500,
+            color: AppColors.textMuted,
+          ),
+        ),
+        const SizedBox(height: UIConstants.spacing4),
+        Row(
+          children: [
+            Expanded(
+              child: Text(
+                programName,
+                style: GoogleFonts.inter(
+                  fontSize: 28,
+                  fontWeight: FontWeight.w700,
+                  color: AppColors.textPrimary,
+                ),
+              ),
+            ),
+            Container(
+              padding: const EdgeInsets.symmetric(
+                horizontal: UIConstants.spacing12,
+                vertical: 6,
+              ),
+              decoration: BoxDecoration(
+                color: AppColors.accentMuted,
+                borderRadius: UIConstants.smallCardBorderRadius,
+              ),
+              child: Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  const Icon(
+                    Icons.fitness_center,
+                    size: 14,
+                    color: AppColors.accent,
+                  ),
+                  const SizedBox(width: 6),
+                  Text(
+                    'Active Program',
+                    style: GoogleFonts.inter(
+                      fontSize: 12,
+                      fontWeight: FontWeight.w600,
+                      color: AppColors.accent,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Stat cards row
+// ---------------------------------------------------------------------------
+class _StatCardsRow extends StatelessWidget {
+  final int completed;
+  final int total;
+
+  const _StatCardsRow({required this.completed, required this.total});
+
+  @override
+  Widget build(BuildContext context) {
+    final progress = total == 0 ? 0 : (completed / total * 100).round();
+
+    return Row(
+      children: [
+        Expanded(
+          child: AppStatCard(
+            title: 'Completed',
+            value: '$completed',
+            icon: Icons.check_circle_outline,
+            accentColor: AppColors.success,
+          ),
+        ),
+        const SizedBox(width: UIConstants.spacing16),
+        Expanded(
+          child: AppStatCard(
+            title: 'Total Workouts',
+            value: '$total',
+            icon: Icons.list_alt,
+            accentColor: AppColors.info,
+          ),
+        ),
+        const SizedBox(width: UIConstants.spacing16),
+        Expanded(
+          child: AppStatCard(
+            title: 'Progress',
+            value: '$progress%',
+            icon: Icons.trending_up,
+            accentColor: AppColors.purple,
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Next workout banner
+// ---------------------------------------------------------------------------
+class _NextWorkoutBanner extends StatelessWidget {
+  final String workoutName;
+
+  const _NextWorkoutBanner({required this.workoutName});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.all(UIConstants.cardPadding),
+      decoration: BoxDecoration(
+        color: AppColors.surfaceContainer,
+        borderRadius: UIConstants.cardBorderRadius,
+        border: Border.all(color: AppColors.border),
+      ),
+      child: Row(
+        children: [
+          Container(
+            width: 40,
+            height: 40,
+            decoration: BoxDecoration(
+              color: AppColors.accentMuted,
+              borderRadius: UIConstants.smallCardBorderRadius,
+            ),
+            child: const Icon(
+              Icons.play_arrow_rounded,
+              color: AppColors.accent,
+              size: 22,
+            ),
+          ),
+          const SizedBox(width: UIConstants.spacing12),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  'Up Next',
+                  style: GoogleFonts.inter(
+                    fontSize: 12,
+                    fontWeight: FontWeight.w500,
+                    color: AppColors.textMuted,
+                  ),
+                ),
+                const SizedBox(height: 2),
+                Text(
+                  workoutName,
+                  style: GoogleFonts.inter(
+                    fontSize: 15,
+                    fontWeight: FontWeight.w600,
+                    color: AppColors.textPrimary,
+                  ),
+                ),
+              ],
+            ),
+          ),
+          Icon(
+            Icons.chevron_right,
+            color: AppColors.textMuted,
+            size: 20,
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Quick actions row
+// ---------------------------------------------------------------------------
+class _QuickActionsRow extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          'Quick Actions',
+          style: GoogleFonts.inter(
+            fontSize: 16,
+            fontWeight: FontWeight.w600,
+            color: AppColors.textPrimary,
+          ),
+        ),
+        const SizedBox(height: UIConstants.spacing12),
+        Row(
+          children: [
+            _QuickActionButton(
+              icon: Icons.play_arrow_rounded,
+              label: 'New Workout',
+              color: AppColors.accent,
+              onTap: () {
+                AutoTabsRouter.of(context).setActiveIndex(1);
+              },
+            ),
+            const SizedBox(width: UIConstants.spacing12),
+            _QuickActionButton(
+              icon: Icons.description_outlined,
+              label: 'View Plans',
+              color: AppColors.info,
+              onTap: () {
+                AutoTabsRouter.of(context).setActiveIndex(1);
+              },
+            ),
+            const SizedBox(width: UIConstants.spacing12),
+            _QuickActionButton(
+              icon: Icons.chat_bubble_outline,
+              label: 'AI Chat',
+              color: AppColors.purple,
+              onTap: () {
+                AutoTabsRouter.of(context).setActiveIndex(4);
+              },
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+}
+
+class _QuickActionButton extends StatefulWidget {
+  final IconData icon;
+  final String label;
+  final Color color;
+  final VoidCallback onTap;
+
+  const _QuickActionButton({
+    required this.icon,
+    required this.label,
+    required this.color,
+    required this.onTap,
+  });
+
+  @override
+  State<_QuickActionButton> createState() => _QuickActionButtonState();
+}
+
+class _QuickActionButtonState extends State<_QuickActionButton> {
+  bool _isHovered = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return MouseRegion(
+      onEnter: (_) => setState(() => _isHovered = true),
+      onExit: (_) => setState(() => _isHovered = false),
+      child: AnimatedContainer(
+        duration: UIConstants.animationDuration,
+        decoration: BoxDecoration(
+          color: _isHovered
+              ? widget.color.withValues(alpha: 0.08)
+              : Colors.transparent,
+          borderRadius: UIConstants.smallCardBorderRadius,
+          border: Border.all(
+            color: _isHovered ? widget.color.withValues(alpha: 0.4) : AppColors.border,
+          ),
+        ),
+        child: Material(
+          color: Colors.transparent,
+          child: InkWell(
+            onTap: widget.onTap,
+            borderRadius: UIConstants.smallCardBorderRadius,
+            child: Padding(
+              padding: const EdgeInsets.symmetric(
+                horizontal: UIConstants.spacing24,
+                vertical: UIConstants.spacing12,
+              ),
+              child: Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Icon(
+                    widget.icon,
+                    size: 18,
+                    color: widget.color,
+                  ),
+                  const SizedBox(width: UIConstants.spacing8),
+                  Text(
+                    widget.label,
+                    style: GoogleFonts.inter(
+                      fontSize: 13,
+                      fontWeight: FontWeight.w500,
+                      color: _isHovered
+                          ? widget.color
+                          : AppColors.textSecondary,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+// ---------------------------------------------------------------------------
+// Recent activity section
+// ---------------------------------------------------------------------------
+class _RecentActivitySection extends StatelessWidget {
+  final List<ProgramWorkoutEntity> activity;
+
+  const _RecentActivitySection({required this.activity});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Row(
+          children: [
+            Expanded(
+              child: Text(
+                'Recent Activity',
+                style: GoogleFonts.inter(
+                  fontSize: 16,
+                  fontWeight: FontWeight.w600,
+                  color: AppColors.textPrimary,
+                ),
+              ),
+            ),
+            if (activity.isNotEmpty)
+              Text(
+                '${activity.length} workout${activity.length == 1 ? '' : 's'}',
+                style: GoogleFonts.inter(
+                  fontSize: 12,
+                  color: AppColors.textMuted,
+                ),
+              ),
+          ],
+        ),
+        const SizedBox(height: UIConstants.spacing12),
+        if (activity.isEmpty)
+          _EmptyActivity()
+        else
+          _ActivityList(activity: activity),
+      ],
+    );
+  }
+}
+
+class _EmptyActivity extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.symmetric(
+        vertical: 40,
+        horizontal: UIConstants.spacing24,
+      ),
+      decoration: BoxDecoration(
+        color: AppColors.surfaceContainer,
+        borderRadius: UIConstants.cardBorderRadius,
+        border: Border.all(color: AppColors.border),
+      ),
+      child: Column(
+        children: [
+          Icon(
+            Icons.history,
+            size: 32,
+            color: AppColors.textMuted,
+          ),
+          const SizedBox(height: UIConstants.spacing12),
+          Text(
+            'No completed workouts yet',
+            style: GoogleFonts.inter(
+              fontSize: 14,
+              fontWeight: FontWeight.w500,
+              color: AppColors.textSecondary,
+            ),
+          ),
+          const SizedBox(height: UIConstants.spacing4),
+          Text(
+            'Your recent workout history will appear here.',
+            style: GoogleFonts.inter(
+              fontSize: 13,
+              color: AppColors.textMuted,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _ActivityList extends StatelessWidget {
+  final List<ProgramWorkoutEntity> activity;
+
+  const _ActivityList({required this.activity});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        color: AppColors.surfaceContainer,
+        borderRadius: UIConstants.cardBorderRadius,
+        border: Border.all(color: AppColors.border),
+      ),
+      child: ClipRRect(
+        borderRadius: UIConstants.cardBorderRadius,
+        child: Column(
+          children: [
+            for (int i = 0; i < activity.length; i++) ...[
+              if (i > 0)
+                const Divider(
+                  height: 1,
+                  thickness: 1,
+                  color: AppColors.border,
+                ),
+              _ActivityItem(workout: activity[i]),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _ActivityItem extends StatefulWidget {
+  final ProgramWorkoutEntity workout;
+
+  const _ActivityItem({required this.workout});
+
+  @override
+  State<_ActivityItem> createState() => _ActivityItemState();
+}
+
+class _ActivityItemState extends State<_ActivityItem> {
+  bool _isHovered = false;
+
+  Color get _typeColor {
+    switch (widget.workout.type.toLowerCase()) {
+      case 'strength':
+        return AppColors.accent;
+      case 'cardio':
+        return AppColors.info;
+      case 'flexibility':
+      case 'mobility':
+        return AppColors.purple;
+      case 'rest':
+        return AppColors.textMuted;
+      default:
+        return AppColors.success;
+    }
+  }
+
+  IconData get _typeIcon {
+    switch (widget.workout.type.toLowerCase()) {
+      case 'strength':
+        return Icons.fitness_center;
+      case 'cardio':
+        return Icons.directions_run;
+      case 'flexibility':
+      case 'mobility':
+        return Icons.self_improvement;
+      case 'rest':
+        return Icons.bedtime_outlined;
+      default:
+        return Icons.check_circle;
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MouseRegion(
+      onEnter: (_) => setState(() => _isHovered = true),
+      onExit: (_) => setState(() => _isHovered = false),
+      child: AnimatedContainer(
+        duration: UIConstants.animationDuration,
+        color: _isHovered
+            ? AppColors.surfaceContainerHigh.withValues(alpha: 0.5)
+            : Colors.transparent,
+        padding: const EdgeInsets.symmetric(
+          horizontal: UIConstants.cardPadding,
+          vertical: UIConstants.spacing12,
+        ),
+        child: Row(
+          children: [
+            // Leading icon with color coding
+            Container(
+              width: 36,
+              height: 36,
+              decoration: BoxDecoration(
+                color: widget.workout.completed
+                    ? _typeColor.withValues(alpha: 0.15)
+                    : AppColors.zinc800,
+                borderRadius: UIConstants.smallCardBorderRadius,
+              ),
+              child: Icon(
+                widget.workout.completed ? _typeIcon : Icons.circle_outlined,
+                size: 18,
+                color: widget.workout.completed
+                    ? _typeColor
+                    : AppColors.textMuted,
+              ),
+            ),
+            const SizedBox(width: UIConstants.spacing12),
+
+            // Workout info
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    widget.workout.name ?? 'Workout',
+                    style: GoogleFonts.inter(
+                      fontSize: 14,
+                      fontWeight: FontWeight.w500,
+                      color: AppColors.textPrimary,
+                    ),
+                  ),
+                  const SizedBox(height: 2),
+                  Text(
+                    'Week ${widget.workout.weekId}  ·  Day ${widget.workout.day}',
+                    style: GoogleFonts.inter(
+                      fontSize: 12,
+                      color: AppColors.textMuted,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+
+            // Type badge
+            Container(
+              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+              decoration: BoxDecoration(
+                color: _typeColor.withValues(alpha: 0.12),
+                borderRadius: BorderRadius.circular(6),
+              ),
+              child: Text(
+                widget.workout.type,
+                style: GoogleFonts.inter(
+                  fontSize: 11,
+                  fontWeight: FontWeight.w500,
+                  color: _typeColor,
+                ),
+              ),
+            ),
+            const SizedBox(width: UIConstants.spacing12),
+
+            // Status indicator
+            if (widget.workout.completed)
+              const Icon(
+                Icons.check_circle,
+                size: 18,
+                color: AppColors.success,
+              )
+            else
+              const Icon(
+                Icons.radio_button_unchecked,
+                size: 18,
+                color: AppColors.textMuted,
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/home/home_state.dart

@@ -0,0 +1,15 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/program_workout.dart';
+
+part 'home_state.freezed.dart';
+
+@freezed
+class HomeState with _$HomeState {
+  const factory HomeState({
+    String? activeProgramName,
+    @Default(0) int completedWorkouts,
+    @Default(0) int totalWorkouts,
+    String? nextWorkoutName,
+    @Default([]) List<ProgramWorkoutEntity> recentActivity,
+  }) = _HomeState;
+}

lib/presentation/home/home_state.freezed.dart

@@ -0,0 +1,261 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'home_state.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$HomeState {
+  String? get activeProgramName => throw _privateConstructorUsedError;
+  int get completedWorkouts => throw _privateConstructorUsedError;
+  int get totalWorkouts => throw _privateConstructorUsedError;
+  String? get nextWorkoutName => throw _privateConstructorUsedError;
+  List<ProgramWorkoutEntity> get recentActivity =>
+      throw _privateConstructorUsedError;
+
+  /// Create a copy of HomeState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $HomeStateCopyWith<HomeState> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $HomeStateCopyWith<$Res> {
+  factory $HomeStateCopyWith(HomeState value, $Res Function(HomeState) then) =
+      _$HomeStateCopyWithImpl<$Res, HomeState>;
+  @useResult
+  $Res call({
+    String? activeProgramName,
+    int completedWorkouts,
+    int totalWorkouts,
+    String? nextWorkoutName,
+    List<ProgramWorkoutEntity> recentActivity,
+  });
+}
+
+/// @nodoc
+class _$HomeStateCopyWithImpl<$Res, $Val extends HomeState>
+    implements $HomeStateCopyWith<$Res> {
+  _$HomeStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of HomeState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? activeProgramName = freezed,
+    Object? completedWorkouts = null,
+    Object? totalWorkouts = null,
+    Object? nextWorkoutName = freezed,
+    Object? recentActivity = null,
+  }) {
+    return _then(
+      _value.copyWith(
+            activeProgramName: freezed == activeProgramName
+                ? _value.activeProgramName
+                : activeProgramName // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            completedWorkouts: null == completedWorkouts
+                ? _value.completedWorkouts
+                : completedWorkouts // ignore: cast_nullable_to_non_nullable
+                      as int,
+            totalWorkouts: null == totalWorkouts
+                ? _value.totalWorkouts
+                : totalWorkouts // ignore: cast_nullable_to_non_nullable
+                      as int,
+            nextWorkoutName: freezed == nextWorkoutName
+                ? _value.nextWorkoutName
+                : nextWorkoutName // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            recentActivity: null == recentActivity
+                ? _value.recentActivity
+                : recentActivity // ignore: cast_nullable_to_non_nullable
+                      as List<ProgramWorkoutEntity>,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$HomeStateImplCopyWith<$Res>
+    implements $HomeStateCopyWith<$Res> {
+  factory _$$HomeStateImplCopyWith(
+    _$HomeStateImpl value,
+    $Res Function(_$HomeStateImpl) then,
+  ) = __$$HomeStateImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    String? activeProgramName,
+    int completedWorkouts,
+    int totalWorkouts,
+    String? nextWorkoutName,
+    List<ProgramWorkoutEntity> recentActivity,
+  });
+}
+
+/// @nodoc
+class __$$HomeStateImplCopyWithImpl<$Res>
+    extends _$HomeStateCopyWithImpl<$Res, _$HomeStateImpl>
+    implements _$$HomeStateImplCopyWith<$Res> {
+  __$$HomeStateImplCopyWithImpl(
+    _$HomeStateImpl _value,
+    $Res Function(_$HomeStateImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of HomeState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? activeProgramName = freezed,
+    Object? completedWorkouts = null,
+    Object? totalWorkouts = null,
+    Object? nextWorkoutName = freezed,
+    Object? recentActivity = null,
+  }) {
+    return _then(
+      _$HomeStateImpl(
+        activeProgramName: freezed == activeProgramName
+            ? _value.activeProgramName
+            : activeProgramName // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        completedWorkouts: null == completedWorkouts
+            ? _value.completedWorkouts
+            : completedWorkouts // ignore: cast_nullable_to_non_nullable
+                  as int,
+        totalWorkouts: null == totalWorkouts
+            ? _value.totalWorkouts
+            : totalWorkouts // ignore: cast_nullable_to_non_nullable
+                  as int,
+        nextWorkoutName: freezed == nextWorkoutName
+            ? _value.nextWorkoutName
+            : nextWorkoutName // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        recentActivity: null == recentActivity
+            ? _value._recentActivity
+            : recentActivity // ignore: cast_nullable_to_non_nullable
+                  as List<ProgramWorkoutEntity>,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$HomeStateImpl implements _HomeState {
+  const _$HomeStateImpl({
+    this.activeProgramName,
+    this.completedWorkouts = 0,
+    this.totalWorkouts = 0,
+    this.nextWorkoutName,
+    final List<ProgramWorkoutEntity> recentActivity = const [],
+  }) : _recentActivity = recentActivity;
+
+  @override
+  final String? activeProgramName;
+  @override
+  @JsonKey()
+  final int completedWorkouts;
+  @override
+  @JsonKey()
+  final int totalWorkouts;
+  @override
+  final String? nextWorkoutName;
+  final List<ProgramWorkoutEntity> _recentActivity;
+  @override
+  @JsonKey()
+  List<ProgramWorkoutEntity> get recentActivity {
+    if (_recentActivity is EqualUnmodifiableListView) return _recentActivity;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(_recentActivity);
+  }
+
+  @override
+  String toString() {
+    return 'HomeState(activeProgramName: $activeProgramName, completedWorkouts: $completedWorkouts, totalWorkouts: $totalWorkouts, nextWorkoutName: $nextWorkoutName, recentActivity: $recentActivity)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$HomeStateImpl &&
+            (identical(other.activeProgramName, activeProgramName) ||
+                other.activeProgramName == activeProgramName) &&
+            (identical(other.completedWorkouts, completedWorkouts) ||
+                other.completedWorkouts == completedWorkouts) &&
+            (identical(other.totalWorkouts, totalWorkouts) ||
+                other.totalWorkouts == totalWorkouts) &&
+            (identical(other.nextWorkoutName, nextWorkoutName) ||
+                other.nextWorkoutName == nextWorkoutName) &&
+            const DeepCollectionEquality().equals(
+              other._recentActivity,
+              _recentActivity,
+            ));
+  }
+
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    activeProgramName,
+    completedWorkouts,
+    totalWorkouts,
+    nextWorkoutName,
+    const DeepCollectionEquality().hash(_recentActivity),
+  );
+
+  /// Create a copy of HomeState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$HomeStateImplCopyWith<_$HomeStateImpl> get copyWith =>
+      __$$HomeStateImplCopyWithImpl<_$HomeStateImpl>(this, _$identity);
+}
+
+abstract class _HomeState implements HomeState {
+  const factory _HomeState({
+    final String? activeProgramName,
+    final int completedWorkouts,
+    final int totalWorkouts,
+    final String? nextWorkoutName,
+    final List<ProgramWorkoutEntity> recentActivity,
+  }) = _$HomeStateImpl;
+
+  @override
+  String? get activeProgramName;
+  @override
+  int get completedWorkouts;
+  @override
+  int get totalWorkouts;
+  @override
+  String? get nextWorkoutName;
+  @override
+  List<ProgramWorkoutEntity> get recentActivity;
+
+  /// Create a copy of HomeState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$HomeStateImplCopyWith<_$HomeStateImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/presentation/plan_editor/plan_editor_controller.dart

@@ -0,0 +1,177 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:trainhub_flutter/core/utils/id_generator.dart';
+import 'package:trainhub_flutter/injection.dart';
+import 'package:trainhub_flutter/domain/entities/exercise.dart';
+import 'package:trainhub_flutter/domain/entities/training_exercise.dart';
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+import 'package:trainhub_flutter/domain/entities/training_section.dart';
+import 'package:trainhub_flutter/domain/repositories/exercise_repository.dart';
+import 'package:trainhub_flutter/domain/repositories/training_plan_repository.dart';
+import 'package:trainhub_flutter/presentation/plan_editor/plan_editor_state.dart';
+
+part 'plan_editor_controller.g.dart';
+
+@riverpod
+class PlanEditorController extends _$PlanEditorController {
+  late final TrainingPlanRepository _planRepo;
+
+  @override
+  Future<PlanEditorState> build(String planId) async {
+    _planRepo = getIt<TrainingPlanRepository>();
+    final ExerciseRepository exerciseRepo = getIt<ExerciseRepository>();
+
+    final plan = await _planRepo.getById(planId);
+    final exercises = await exerciseRepo.getAll();
+
+    return PlanEditorState(plan: plan, availableExercises: exercises);
+  }
+
+  void updatePlanName(String name) {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    state = AsyncValue.data(
+      current.copyWith(plan: current.plan.copyWith(name: name), isDirty: true),
+    );
+  }
+
+  void addSection() {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    final newSection = TrainingSectionEntity(
+      id: IdGenerator.generate(),
+      name: 'New Section',
+    );
+    state = AsyncValue.data(
+      current.copyWith(
+        plan: current.plan.copyWith(
+          sections: [...current.plan.sections, newSection],
+        ),
+        isDirty: true,
+      ),
+    );
+  }
+
+  void deleteSection(int index) {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    final sections = List<TrainingSectionEntity>.from(current.plan.sections);
+    sections.removeAt(index);
+    state = AsyncValue.data(
+      current.copyWith(
+        plan: current.plan.copyWith(sections: sections),
+        isDirty: true,
+      ),
+    );
+  }
+
+  void updateSectionName(int sectionIndex, String name) {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    final sections = List<TrainingSectionEntity>.from(current.plan.sections);
+    sections[sectionIndex] = sections[sectionIndex].copyWith(name: name);
+    state = AsyncValue.data(
+      current.copyWith(
+        plan: current.plan.copyWith(sections: sections),
+        isDirty: true,
+      ),
+    );
+  }
+
+  void addExerciseToSection(int sectionIndex, ExerciseEntity exercise) {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    final sections = List<TrainingSectionEntity>.from(current.plan.sections);
+    final newExercise = TrainingExerciseEntity(
+      instanceId: IdGenerator.generate(),
+      exerciseId: exercise.id,
+      name: exercise.name,
+    );
+    sections[sectionIndex] = sections[sectionIndex].copyWith(
+      exercises: [...sections[sectionIndex].exercises, newExercise],
+    );
+    state = AsyncValue.data(
+      current.copyWith(
+        plan: current.plan.copyWith(sections: sections),
+        isDirty: true,
+      ),
+    );
+  }
+
+  void removeExerciseFromSection(int sectionIndex, int exerciseIndex) {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    final sections = List<TrainingSectionEntity>.from(current.plan.sections);
+    final exercises = List<TrainingExerciseEntity>.from(
+      sections[sectionIndex].exercises,
+    );
+    exercises.removeAt(exerciseIndex);
+    sections[sectionIndex] = sections[sectionIndex].copyWith(
+      exercises: exercises,
+    );
+    state = AsyncValue.data(
+      current.copyWith(
+        plan: current.plan.copyWith(sections: sections),
+        isDirty: true,
+      ),
+    );
+  }
+
+  void updateExerciseParams(
+    int sectionIndex,
+    int exerciseIndex, {
+    int? sets,
+    int? value,
+    bool? isTime,
+    int? rest,
+  }) {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    final sections = List<TrainingSectionEntity>.from(current.plan.sections);
+    final exercises = List<TrainingExerciseEntity>.from(
+      sections[sectionIndex].exercises,
+    );
+    exercises[exerciseIndex] = exercises[exerciseIndex].copyWith(
+      sets: sets ?? exercises[exerciseIndex].sets,
+      value: value ?? exercises[exerciseIndex].value,
+      isTime: isTime ?? exercises[exerciseIndex].isTime,
+      rest: rest ?? exercises[exerciseIndex].rest,
+    );
+    sections[sectionIndex] = sections[sectionIndex].copyWith(
+      exercises: exercises,
+    );
+    state = AsyncValue.data(
+      current.copyWith(
+        plan: current.plan.copyWith(sections: sections),
+        isDirty: true,
+      ),
+    );
+  }
+
+  void reorderExercise(int sectionIndex, int oldIndex, int newIndex) {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    final sections = List<TrainingSectionEntity>.from(current.plan.sections);
+    final exercises = List<TrainingExerciseEntity>.from(
+      sections[sectionIndex].exercises,
+    );
+    if (oldIndex < newIndex) newIndex -= 1;
+    final item = exercises.removeAt(oldIndex);
+    exercises.insert(newIndex, item);
+    sections[sectionIndex] = sections[sectionIndex].copyWith(
+      exercises: exercises,
+    );
+    state = AsyncValue.data(
+      current.copyWith(
+        plan: current.plan.copyWith(sections: sections),
+        isDirty: true,
+      ),
+    );
+  }
+
+  Future<void> save() async {
+    final current = state.valueOrNull;
+    if (current == null) return;
+    await _planRepo.update(current.plan);
+    state = AsyncValue.data(current.copyWith(isDirty: false));
+  }
+}

lib/presentation/plan_editor/plan_editor_controller.g.dart

@@ -0,0 +1,175 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'plan_editor_controller.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$planEditorControllerHash() =>
+    r'4045493829126f28b3a58695b68ade53519c1412';
+
+/// Copied from Dart SDK
+class _SystemHash {
+  _SystemHash._();
+
+  static int combine(int hash, int value) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + value);
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
+    return hash ^ (hash >> 6);
+  }
+
+  static int finish(int hash) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
+    // ignore: parameter_assignments
+    hash = hash ^ (hash >> 11);
+    return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
+  }
+}
+
+abstract class _$PlanEditorController
+    extends BuildlessAutoDisposeAsyncNotifier<PlanEditorState> {
+  late final String planId;
+
+  FutureOr<PlanEditorState> build(String planId);
+}
+
+/// See also [PlanEditorController].
+@ProviderFor(PlanEditorController)
+const planEditorControllerProvider = PlanEditorControllerFamily();
+
+/// See also [PlanEditorController].
+class PlanEditorControllerFamily extends Family<AsyncValue<PlanEditorState>> {
+  /// See also [PlanEditorController].
+  const PlanEditorControllerFamily();
+
+  /// See also [PlanEditorController].
+  PlanEditorControllerProvider call(String planId) {
+    return PlanEditorControllerProvider(planId);
+  }
+
+  @override
+  PlanEditorControllerProvider getProviderOverride(
+    covariant PlanEditorControllerProvider provider,
+  ) {
+    return call(provider.planId);
+  }
+
+  static const Iterable<ProviderOrFamily>? _dependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get dependencies => _dependencies;
+
+  static const Iterable<ProviderOrFamily>? _allTransitiveDependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get allTransitiveDependencies =>
+      _allTransitiveDependencies;
+
+  @override
+  String? get name => r'planEditorControllerProvider';
+}
+
+/// See also [PlanEditorController].
+class PlanEditorControllerProvider
+    extends
+        AutoDisposeAsyncNotifierProviderImpl<
+          PlanEditorController,
+          PlanEditorState
+        > {
+  /// See also [PlanEditorController].
+  PlanEditorControllerProvider(String planId)
+    : this._internal(
+        () => PlanEditorController()..planId = planId,
+        from: planEditorControllerProvider,
+        name: r'planEditorControllerProvider',
+        debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+            ? null
+            : _$planEditorControllerHash,
+        dependencies: PlanEditorControllerFamily._dependencies,
+        allTransitiveDependencies:
+            PlanEditorControllerFamily._allTransitiveDependencies,
+        planId: planId,
+      );
+
+  PlanEditorControllerProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.planId,
+  }) : super.internal();
+
+  final String planId;
+
+  @override
+  FutureOr<PlanEditorState> runNotifierBuild(
+    covariant PlanEditorController notifier,
+  ) {
+    return notifier.build(planId);
+  }
+
+  @override
+  Override overrideWith(PlanEditorController Function() create) {
+    return ProviderOverride(
+      origin: this,
+      override: PlanEditorControllerProvider._internal(
+        () => create()..planId = planId,
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        planId: planId,
+      ),
+    );
+  }
+
+  @override
+  AutoDisposeAsyncNotifierProviderElement<PlanEditorController, PlanEditorState>
+  createElement() {
+    return _PlanEditorControllerProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is PlanEditorControllerProvider && other.planId == planId;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, planId.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+@Deprecated('Will be removed in 3.0. Use Ref instead')
+// ignore: unused_element
+mixin PlanEditorControllerRef
+    on AutoDisposeAsyncNotifierProviderRef<PlanEditorState> {
+  /// The parameter `planId` of this provider.
+  String get planId;
+}
+
+class _PlanEditorControllerProviderElement
+    extends
+        AutoDisposeAsyncNotifierProviderElement<
+          PlanEditorController,
+          PlanEditorState
+        >
+    with PlanEditorControllerRef {
+  _PlanEditorControllerProviderElement(super.provider);
+
+  @override
+  String get planId => (origin as PlanEditorControllerProvider).planId;
+}
+
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/presentation/plan_editor/plan_editor_page.dart

@@ -0,0 +1,80 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:trainhub_flutter/presentation/plan_editor/plan_editor_controller.dart';
+import 'package:trainhub_flutter/presentation/plan_editor/widgets/plan_section_card.dart';
+
+@RoutePage()
+class PlanEditorPage extends ConsumerWidget {
+  final String planId;
+
+  const PlanEditorPage({super.key, @PathParam('planId') required this.planId});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final state = ref.watch(planEditorControllerProvider(planId));
+    final controller = ref.read(planEditorControllerProvider(planId).notifier);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: state.when(
+          data: (data) => TextField(
+            controller: TextEditingController(text: data.plan.name)
+              ..selection = TextSelection.fromPosition(
+                TextPosition(offset: data.plan.name.length),
+              ),
+            decoration: const InputDecoration(
+              border: InputBorder.none,
+              hintText: 'Plan Name',
+            ),
+            style: Theme.of(context).textTheme.titleLarge,
+            onChanged: controller.updatePlanName,
+          ),
+          error: (_, __) => const Text('Error'),
+          loading: () => const Text('Loading...'),
+        ),
+        actions: [
+          state.maybeWhen(
+            data: (data) => IconButton(
+              icon: Icon(
+                Icons.save,
+                color: data.isDirty ? Theme.of(context).primaryColor : null,
+              ),
+              onPressed: data.isDirty ? () => controller.save() : null,
+            ),
+            orElse: () => const SizedBox.shrink(),
+          ),
+        ],
+      ),
+      body: state.when(
+        data: (data) => ListView.builder(
+          padding: const EdgeInsets.all(16),
+          itemCount: data.plan.sections.length + 1,
+          itemBuilder: (context, index) {
+            if (index == data.plan.sections.length) {
+              return Center(
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(vertical: 16),
+                  child: ElevatedButton.icon(
+                    onPressed: controller.addSection,
+                    icon: const Icon(Icons.add),
+                    label: const Text('Add Section'),
+                  ),
+                ),
+              );
+            }
+            final section = data.plan.sections[index];
+            return PlanSectionCard(
+              section: section,
+              sectionIndex: index,
+              plan: data.plan,
+              availableExercises: data.availableExercises,
+            );
+          },
+        ),
+        error: (e, s) => Center(child: Text('Error: $e')),
+        loading: () => const Center(child: CircularProgressIndicator()),
+      ),
+    );
+  }
+}

lib/presentation/plan_editor/plan_editor_state.dart

@@ -0,0 +1,14 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/training_plan.dart';
+import 'package:trainhub_flutter/domain/entities/exercise.dart';
+
+part 'plan_editor_state.freezed.dart';
+
+@freezed
+class PlanEditorState with _$PlanEditorState {
+  const factory PlanEditorState({
+    required TrainingPlanEntity plan,
+    @Default(false) bool isDirty,
+    @Default([]) List<ExerciseEntity> availableExercises,
+  }) = _PlanEditorState;
+}