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Przebudowanie aplikacji, usprawnione AI, dodanie combo buildera
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Kazimierz Ciołek
2026-07-06 23:44:17 +02:00
parent 9dcc4b87de
commit 6dd7213eb0
48 changed files with 3229 additions and 669 deletions
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46
lib/core/constants/ai_constants.dart
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@@ -12,9 +12,12 @@ class AiConstants {
'http://localhost:$chatServerPort/v1/chat/completions';
static String get embeddingApiUrl =>
'http://localhost:$embeddingServerPort/v1/embeddings';
static String chatHealthUrl = 'http://localhost:$chatServerPort/health';
static String embeddingHealthUrl =
'http://localhost:$embeddingServerPort/health';
// Model files
static const String qwenModelFile = 'qwen2.5-7b-instruct-q4_k_m.gguf';
static const String qwenModelFile = 'qwen3-4b-instruct-2507-q4_k_m.gguf';
static const String nomicModelFile = 'nomic-embed-text-v1.5.Q4_K_M.gguf';
static const String nomicModelName = 'nomic-embed-text-v1.5.Q4_K_M';
@@ -27,13 +30,30 @@ class AiConstants {
static const String nomicModelUrl =
'https://huggingface.co/nomic-ai/nomic-embed-text-v1.5-GGUF/resolve/main/nomic-embed-text-v1.5.Q4_K_M.gguf';
static const String qwenModelUrl =
'https://huggingface.co/bartowski/Qwen2.5-7B-Instruct-GGUF/resolve/main/Qwen2.5-7B-Instruct-Q4_K_M.gguf';
'https://huggingface.co/bartowski/Qwen_Qwen3-4B-Instruct-2507-GGUF/resolve/main/Qwen_Qwen3-4B-Instruct-2507-Q4_K_M.gguf';
// Human-readable model labels (single source of truth for UI copy)
static const String chatModelLabel = 'Qwen3 4B Instruct Q4_K_M';
static const String embeddingModelLabel = 'Nomic Embed Text v1.5 Q4_K_M';
// Minimum plausible file sizes — a partially downloaded file is smaller.
static const int qwenModelMinBytes = 2_000_000_000; // full file ≈ 2.4 GB
static const int nomicModelMinBytes = 50_000_000; // full file ≈ 84 MB
static const int serverBinaryMinBytes = 1_000_000;
// Server configuration
static const int qwenContextSize = 4096;
static const int nomicContextSize = 8192;
static const int qwenContextSize = 8192;
static const int nomicContextSize = 2048;
static const int gpuLayerOffload = 99;
static const double chatTemperature = 0.7;
static const int chatMaxTokens = 1536;
/// How many most-recent messages are sent back to the model as history.
static const int chatHistoryLimit = 12;
/// Nomic v1.5 requires task prefixes for good retrieval quality.
static const String nomicDocumentPrefix = 'search_document: ';
static const String nomicQueryPrefix = 'search_query: ';
// Timeouts
static const Duration serverConnectTimeout = Duration(seconds: 30);
@@ -41,9 +61,21 @@ class AiConstants {
static const Duration embeddingConnectTimeout = Duration(seconds: 10);
static const Duration embeddingReceiveTimeout = Duration(seconds: 60);
/// Cold-loading a multi-GB model can take minutes: on the first Vulkan
/// run llama.cpp additionally compiles GPU pipelines for the device.
static const Duration serverStartupTimeout = Duration(minutes: 5);
/// CPU fallback loads via mmap and needs no pipeline compilation.
static const Duration serverStartupTimeoutCpu = Duration(minutes: 3);
static const Duration healthPollInterval = Duration(milliseconds: 750);
// System prompt
static const String baseSystemPrompt =
'You are a helpful AI fitness assistant for personal trainers. '
'Help users design training plans, analyse exercise technique, '
'and answer questions about sports science and nutrition.';
'You are the AI coach inside TrainHub, a training hub for ITF Taekwon-Do. '
'You help with: designing drills and training plans (patterns/tul, '
'sparring/matsogi, kicks, conditioning), analysing technique, belt '
'grading preparation, and sports science questions. '
'Use correct ITF terminology (e.g. dollyo chagi, yop chagi, tul names). '
'Always answer in the same language the user writes in. '
'Be concise and practical — coaches read this between rounds.';
}