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fix: await ensure_collection and survive partial embed failures in document sync

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- ensure_collection was called without await, so the coroutine never ran
  and fresh tenants had no collection when the upsert hit Qdrant
- a single None entry from embed_batch poisoned the point batch and
  aborted the whole document upsert; failed chunks are now skipped with
  a warning (all-failed raises and the IndexResult reports failure)
- raw client.delete/client.upsert calls now go through the async wrapper
  (delete_by_filter and the new batch upsert_points method)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QbFZyDvYksazX6nYQYZ67L
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jpmschweitzer
2026-07-14 13:00:59 +02:00
co-authored by Claude Fable 5
parent 406143e7ae
commit c35d3c1fa9
4 changed files with 203 additions and 14 deletions
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CHANGELOG.md
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@@ -20,6 +20,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Changed (performance)
- **Document sync indexing fixed** - `DocumentSyncService._index_vectors` now awaits `ensure_collection` (the coroutine was created but never ran, so fresh tenants had no collection at upsert time), filters out `None` entries from `embed_batch` so one failed chunk embedding no longer aborts the whole document upsert (all-failed still reports failure), and routes the raw `client.delete`/`client.upsert` calls through the async wrapper (`delete_by_filter` / new batch `upsert_points`). Offline unit tests added.
- **Async Qdrant client** - `QdrantClientWrapper` now uses `AsyncQdrantClient` with an explicit timeout (`QDRANT_TIMEOUT`, default 30s). Every vector call previously ran on the synchronous client inside async wrapper methods, blocking the FastAPI event loop for the duration of each Qdrant round-trip. The wrapper API is unchanged (all methods were already `async`), so call sites only gained real awaits. The HybridRAG document leg was moved off the deprecated raw `client.search` onto the wrapper's `search_vectors` (fixing a latent `AttributeError`: it called the nonexistent `ollama.embed_text`, so the leg always reported `failed`), and the health check awaits `get_collections`.
### Changed