- Add AbortSignal.timeout(30s) on all fetch calls
- Add retry with backoff for 429/5xx (core: 2 retries, MCP: 1 retry)
- Guard initEmbedder() and getEmbedder() to throw in HTTP mode
- Discard cached embeddings on dimension mismatch during incremental re-index
- Add MCP embedQuery retry for transient failures
- Add 16 unit tests covering both core and MCP HTTP paths
- Fix README: concise, accurate env var docs
zm2231
7dcafb647b