colcaroliandClaude Opus 5
97568ba90e
Vectors from two different embedding models are not comparable — Titan v2 has 1024 dimensions where nomic-embed-text has 768 — and _cosine_similarity zips them, so a mismatch produced quietly meaningless scores rather than an error. Nothing forced a re-embed either: sync_local_kb only looked at the content hash, so switching models left every cached vector in place. local_knowledge_docs now records the model each vector came from, and a row is re-embedded when its content hash OR its model differs. Saving a new LOCAL_KB_EMBEDDING_MODEL from the settings panel starts a background pass over every file; the knowledge base panel also has a button for it. While that pass runs, the per-request sync steps aside so no file is embedded twice. The panel now shows what the embedding model is doing: model name, vector size, how many files are embedded with the current model, how many are still on an older one, a progress bar while a pass runs, and the last error. A "接続テスト" button embeds one short string so a broken or unreachable model can be told apart from one that is merely slow to warm up. Also read TAVILY_API_KEY from os.environ at call time. It was imported as a config constant, which is evaluated before load_into_env() runs, so a key saved from the settings panel was stored but never used — not even after a restart. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>