- Add document ingestion with text chunking, embedding generation, and PostgreSQL persistence
- Configure PostgreSQL with pgvector, document schemas, and database migrations
- Implement semantic search using Ollama embeddings and pgvector cosine similarity
- Add POST /documents, POST /search, and POST /ask endpoints with validation and sanitized error handling
- Generate context-grounded answers with source attribution
- Filter retrieved chunks using a minimum similarity threshold of 0.5 and return fallback responses when no relevant context is available
- Add unit and integration tests for ingestion, search, question answering, validation, and failure handling
- Update README with Phase 3 capabilities, setup instructions, and API documentation
- Add an Ollama client for Qwen3 8B generation with request timeouts and HTTP error handling
- Implement POST /generate with request validation and sanitized failure responses
- Update GET /ready to report Ollama availability and return HTTP 503 when unavailable
- Add unit and integration tests for generation, dependency health, and failure handling
- Document implemented API endpoints, setup instructions, scripts, and remaining planned capabilities in README
