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4 Commits

Author SHA1 Message Date
MerCry 6d54030e0d feat(ai-service): implement complete Orchestrator generation pipeline for T3.4 [AC-AISVC-01, AC-AISVC-02] 
- Integrate Memory, ContextMerger, Retriever, LLMClient, ConfidenceCalculator
- Implement 8-step generation pipeline:
  1. Load local history from Memory
  2. Merge with external history (dedup + truncate)
  3. RAG retrieval (optional)
  4. Build prompt with context and evidence
  5. LLM generation
  6. Calculate confidence
  7. Save messages to Memory
  8. Return ChatResponse
- Add GenerationContext dataclass for tracking intermediate results
- Implement fallback response mechanism for error handling
- Add 21 unit tests for OrchestratorService
- All 138 tests passing
 2026-02-24 13:47:12 +08:00
MerCry 66fa2d2677 feat(ai-service): implement confidence calculation for T3.3 [AC-AISVC-17, AC-AISVC-18, AC-AISVC-19] 
- Add ConfidenceCalculator class for confidence scoring
- Implement retrieval insufficiency detection (hit count, score threshold, evidence tokens)
- Implement confidence calculation based on retrieval scores
- Implement shouldTransfer logic with configurable threshold
- Add transferReason for low confidence scenarios
- Add comprehensive unit tests (19 test cases)
- Update config with confidence-related settings
 2026-02-24 13:31:42 +08:00
MerCry 550d0d8498 feat(ai-service): implement context merging for T3.2 [AC-AISVC-14, AC-AISVC-15] 
- Add ContextMerger class for combining local and external history
- Implement message fingerprint computation (SHA256 hash)
- Implement deduplication: local history takes priority
- Implement token-based truncation using tiktoken
- Add comprehensive unit tests (20 test cases)
 2026-02-24 13:26:37 +08:00
MerCry 0a167d69f0 feat(ai-service): implement LLM Adapter for T3.1 [AC-AISVC-02, AC-AISVC-06] 
- Add LLMClient abstract base class with generate/stream_generate interfaces
- Implement OpenAIClient with httpx for OpenAI-compatible API calls
- Add retry logic with tenacity for timeout handling
- Support both non-streaming and streaming generation
- Add comprehensive unit tests for LLM Adapter
- Fix entities.py JSON column type for SQLModel compatibility
 2026-02-24 13:19:38 +08:00