37db82613d7ff2e9c5fc70f789901aa4a08c4027
33
Commits
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37db82613d |
feat(search): ACL-aware vector filter via Nextcloud Shares lookup
The vector index has always been strictly per-user: every Qdrant payload
carries a `user_id` and the search filter is `user_id == querying_user`.
A file Alice indexed cannot be discovered by Bob even if she has shared
it with him — Bob would have to re-index it under his own user_id to
make it searchable, which means duplicate index entries for every share
recipient.
Switch to ownership-with-ACL-expansion:
- New `nextcloud_mcp_server.search.access_filter` module:
- `list_accessible_owners(sharing_client, user_id)` calls the OCS
Sharing API (`shared_with_me=true`) and returns
`{user_id} ∪ {uid_owner of each share}`. Fails open to `[user_id]`
so a misbehaving Sharing API doesn't black-hole search.
- `build_ownership_filter(user_id, accessible_owners)` returns a
Qdrant `Filter` whose `should` branch matches either the new
`owner_id IN accessible_owners` field or the legacy `user_id` field.
The legacy branch keeps points indexed before this change reachable
without a migration backfill.
- Indexer payload (`vector/processor.py`) now writes `owner_id` alongside
`user_id`. `DocumentTask` gains an optional `owner_id` field; today the
scanner always runs as the owner so the processor falls back to
`user_id`, but the field is plumbed so a future shared-with-me crawler
can set the true owner without reshaping the payload contract.
- `SemanticSearchAlgorithm.search` and `BM25HybridSearchAlgorithm.search`
accept `accessible_owners` via kwargs and use the new ownership filter.
Default behaviour with no kwarg is unchanged (self-only).
- Both user-facing callers — the MCP tool path (`server/semantic.py`) and
the visualization Starlette route (`auth/viz_routes.py`) — compute
`accessible_owners` from the authenticated Nextcloud client before
invoking the search algorithm. Eviction, scanner deletion, placeholder,
and chunk-context paths intentionally keep the legacy `user_id`
semantics (those are "operations on a specific user's records", not
cross-user reads).
- 10 new unit tests in `tests/unit/search/test_access_filter.py` cover
self-only default, owner expansion, dedup, fallback fields, OCS
failure, and the legacy `should`-branch shape.
Pairs with cbcoutinho/astrolabe#89 — together they let an Astrolabe user
find content owners have shared with them without going through any
re-authorization flow or re-indexing.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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665cb9b1eb |
refactor: convert f-string logging to lazy %-style format (G004)
Sweep all 1676 G004 violations across 112 files, converting
`logger.<level>(f"…{x}…")` to `logger.<level>("…%s…", x)`.
Why: ruff rule G004 was added to pyproject.toml to enforce lazy
%-style logging — defers formatting until the log level is enabled
and lets structured log tooling match the unformatted template.
Conversion preserves rendered output byte-for-byte:
- `{x}` → `%s` + `x`
- `{x!r}` / `{x!s}` / `{x!a}` → `%r` / `%s` / `%a`
- Format specs (`{x:.2f}`, `{x:>10}`) → `%s` + `format(x, 'spec')`
(printf-style specs aren't 1:1 with Python format specs, so we
delegate to `format()` to keep identical output)
- Literal `%` → `%%`
- Concatenated f-strings (`f"a {x} " "b"`) flattened
- Trailing kwargs (`exc_info=True`) preserved
Verified:
- `uv run ruff check --select G004` → 0 violations
- `uv run ty check -- nextcloud_mcp_server` → passes
- `uv run pytest tests/unit/` → 1010 passed
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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8f4f5c0079 |
fix(vector): address PR review round 16 — type-aware index check, comments
Detect pre-existing payload indexes with the wrong schema type in `_ensure_payload_indexes`. The previous "field already in existing_schema → skip" branch silently survived a collection migrated from the int-doc_id era where `doc_id` is indexed as INTEGER, letting `MatchValue(value="123")` searches keep failing with HTTP 400 on Qdrant Cloud strict mode — exactly the production failure this PR was meant to fix. New behaviour: compare `existing_schema[field].data_type` against the declared type; on mismatch log a WARNING and append to `failed_fields` so the consolidated end-of-function summary picks it up. No auto-repair (operator intervention only — see docs/configuration.md recovery procedure). New test exercises the doc_id-INTEGER scenario end-to-end and asserts both the per-field WARNING and the summary line. Clarify the `_verify_news_items` malformed-doc_id rationale: the news API has no per-item endpoint, so a malformed doc_id genuinely cannot be verified against the source of truth. We err toward false-positive (keep) over false-negative (drop) — same conservative posture as `_verify_notes` and `_verify_deck_cards`. The producer-side validation is the real security boundary; the verifier is defence-in-depth. Both the inline comment and the WARNING message now spell this out. Add a TODO in `get_last_indexed_timestamp` flagging the O(N) cost on every incremental sync tick. The previous single-page `limit=10_000` silently bounded the scroll; paginating fixed correctness but made the unbounded cost visible. The follow-up tracker (canonical TODO at `api/visualization.py`) covers migrating the max-`indexed_at` to a sentinel point or collection metadata for O(1) lookup. Consolidate the duplicate non-numeric-doc_type TODOs at `api/visualization.py:508` and `auth/viz_routes.py:570` into a single canonical comment in `visualization.py`; `viz_routes.py` is reduced to a back-reference. Removes the rot risk of "fixed in one place, forgotten in the other." The canonical comment also references the O(1) timestamp follow-up in `scanner.py`. Document the `batch_size = 256` (qdrant_client.py) vs `_DELETION_TRACKING_PAGE_SIZE = 1024` (scanner.py) split with cross-referencing comments at each site: the smaller batch is for the read-write backfill upsert path (Qdrant accepts ~256-point chunks comfortably); the larger page is for read-only deletion-tracking scrolls where no per-page write round-trip applies. Replace `assert qdrant_client is not None` in `scan_user_documents` with `cast(AsyncQdrantClient, qdrant_client)` plus an explanatory comment. `assert` is silently elided under `-O`; `cast` is the conventional zero-cost narrower for branches the type checker can't infer from the surrounding `if not initial_sync` ternary. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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68506f96c5 |
fix(vector): address PR review round 15 — concurrency, pagination, stale coercion
Defer publication of `_qdrant_client` until after the in-lock backfill +
payload-index migration awaits complete. The fast-path check at the top of
`get_qdrant_client` reads the singleton without holding the init lock, so
publishing the constructed-but-unmigrated client let concurrent fast-path
callers fire filtered searches before `_ensure_payload_indexes` ran —
producing HTTP 400 ("Index required but not found") on Qdrant Cloud strict
mode. Local `provisional` is now used for every await inside the lock; the
global is assigned exactly once, last.
Replace the five hand-rolled `scroll(..., limit=10000)` calls in
`vector/scanner.py` (notes / files / news / deck-cards deletion tracking,
plus the timestamp scroll) with a single paginated `_scroll_all_points`
helper. The previous single-page cap silently dropped deletion-tracking
points beyond the first 10 k for any user past that threshold. Pagination
follows Qdrant's documented contract (loop until `next_page_offset is
None`) with a fixed per-page `_DELETION_TRACKING_PAGE_SIZE = 1024`.
Extract `_create_one_payload_index` from `_ensure_payload_indexes` to drop
its cognitive complexity below the SonarQube limit (17 → ≤ 15) without
losing the per-field error-containment rationale; every comment is
preserved verbatim on the helper.
Drop the stale `SearchResult.id` `int | str` comment and the redundant
`str(d)` coercion in `_verify_news_items` — the contract has been
str-only since the producer-side stringification landed earlier in this
PR.
Fix eight `doc_id=<int>` test calls in `test_chunk_context_offset_gate.py`
that violated the `doc_id: str` signature of `get_chunk_with_context`,
plus align `_make_result` in `test_verification.py` to coerce `id=str(...)`
matching the production contract — and update 30+ assertions from int
sets (`{1, 2, 3}`) to str sets (`{"1", "2", "3"}`) so the tests now model
the post-PR `SearchResult.id: str` reality end-to-end. Previously these
were masked by the `str(d)` coercion now removed from production.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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f3ce46da0f |
fix(vector): address PR review round 11 — broaden offset-skip gate, clarify ordering
- search/context.py: drop the doc_type=='file' guard on skip_offset_lookup so notes / deck cards / news items also bypass the unindexed offset fallback when chunk_index is available. Legacy chunk_index=None data still uses the offset path. - vector/qdrant_client.py: clarify the backfill/_ensure_payload_indexes ordering invariant (backfill rewrites payload values only, never schema or indexes). Acknowledge OSS-vs-Cloud uncertainty in the 400-branch comment and the new-collection call-site comment. - vector/scanner.py: hoist qdrant_client to function scope so the file-scroll block doesn't depend on a name bound inside the notes-scroll block. - tests/unit/test_chunk_context_offset_gate.py: flip the note-with- chunk_index test to assert the offset fallback is skipped. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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60a9882c92 |
fix(vector): address PR review round 6 + SonarCloud findings
Reviewer feedback (3 important + 3 nits):
- Wrap _ensure_keyword_payload_indexes' get_collection() call in
try/except. The qdrant_client singleton is already assigned by the
time this function runs, so a transient timeout/DNS failure
propagating out left the process holding a usable client with the
migration silently skipped on every subsequent call. Now logs ERROR
with exc_info and returns; next process restart retries.
- Add `and "doc_id" in point.payload` guard to the four set
comprehensions in scanner.py (indexed_doc_ids, indexed_file_ids,
indexed_item_ids, indexed_card_ids). Previously a payload missing
the doc_id key would raise KeyError and crash the entire scan.
- Tighten test_ensure_keyword_payload_indexes_logs_400_as_warning to
match the per-field warning prefix exactly (`startswith("Schema
conflict on payload index")`), so a future change adding 400s to
the partial-failure summary surfaces here as a count mismatch.
- Add new-collection vs existing-collection context to the
_backfill_doc_id_to_string docstring's `dimension` parameter.
- Replace the misleading "rewrote 0/N from int to str" wording when
no rewriting was needed with "N points scanned, none required
rewriting (collection already in str form)".
- Add test_ensure_keyword_payload_indexes_logs_and_returns_when_
get_collection_raises mirroring the scroll-failure test.
SonarCloud (1 CRITICAL + 1 MINOR):
- Refactor _backfill_doc_id_to_string to bring cognitive complexity
under 15 (was 19). Extracted two pure helpers: _group_int_doc_ids
(group point IDs by stringified doc_id) and _apply_backfill_writes
(apply set_payload calls and return rewritten count). The main
function's scroll/loop/sentinel structure is unchanged.
- Add `await asyncio.sleep(0)` to the three async test side_effect
helpers (_scroll_raises, _upsert_raises, _create_index) so they use
an actual async feature (S7503). The async-callable shape is still
required to avoid the AsyncMock unawaited-coroutine warning when
side_effect raises.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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b97ac23228 |
fix(vector): address PR review round 4 — backfill resilience + degraded-mode docs
- Remove three stale `# Use numeric file ID` / `# Pass file path` comments in scanner.py. file_id is already normalized to str() above each call site, so the inline comments mislead readers. - Wrap `_backfill_doc_id_to_string` scroll loop + sentinel upsert in try/except Exception. The qdrant_client singleton is assigned before this migration runs, so a transient scroll failure was leaving the process holding a usable client with int payloads permanently unbackfilled until the next restart. Catch broadly, log ERROR with exc_info, and return without writing the sentinel — next process restart retries from scratch. - Note `:memory:` mode behavior near the sentinel constants so future readers don't read the every-start scroll as a bug. - Document the two degraded-migration ERROR log signals in docs/configuration.md so operators know when a clean restart is required to recover indexing. - Add unit test asserting scroll-time exceptions are logged and swallowed without writing the sentinel. Closes round-4 review feedback on PR #773. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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719b3b5034 |
fix(vector): normalize doc_id to str + add Qdrant keyword payload indexes
Production was logging two cascading classes of Qdrant errors against the
welcomed-malamute deployment:
1. HTTP 400 — "Bad request: Index required but not found for \"doc_id\" of
one of the following types: [keyword]". The collection was created via
create_collection() with no payload indexes, so any FieldCondition
filter on doc_id failed at the Qdrant layer (placeholder writes/reads,
eviction, search context lookups).
2. Compounding the missing index, producers wrote a mix of int and str
doc_ids: webhook_parser stringified node_id, scanner stringified note
IDs, news IDs, and deck card IDs — but the file scanner passed the
numeric file_id through unchanged. A keyword index would not have
covered both kinds even if it had existed.
This change:
- Normalizes doc_id to str at every producer site (scanner.py:459,
DocumentTask.doc_id, indexed_*_ids reads from Qdrant).
- Tightens str|int annotations to str across placeholder.py,
eviction.py, search/verification.py, search/context.py,
SearchResult.id, and the auth/api visualization endpoints.
- Defensive str() coercion on doc_id reads in semantic.py /
bm25_hybrid.py / vector/visualization.py for the transition window
before the backfill runs.
- Adds an idempotent startup migration in get_qdrant_client():
- _ensure_keyword_payload_indexes creates KEYWORD indexes for
doc_id, user_id, and doc_type (tolerates "already exists" 400s).
- _backfill_doc_id_to_string scrolls the collection once and rewrites
int doc_ids to str. Skipped after a quick sample shows no legacy
int payloads.
- Public API preserved: SemanticSearchResult.id stays int via explicit
int(r.id) narrowing in server/semantic.py — surfaces a TypeError with
actionable context if a future doc_type ships non-numeric ids.
- Documents the startup migration in docs/configuration.md.
Tests: 11 new unit tests in tests/unit/vector/test_qdrant_client.py
covering happy path / already-exists / unrelated-400 for the index
helpers, and sample-skip / mixed-batch rewrite / payload=None edge cases
for the backfill. 889 unit tests pass.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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43c6788555 |
feat(vector): expand tagged directories for include + apply EXCLUDED_TAGS in scanner
NextcloudClient.find_files_by_tag now mirrors the directory semantics already used by the exclusion path (issue #710): when a tagged item is a folder, walk its descendants via WebDAV SEARCH (Depth: infinity) and include any files matching the MIME filter. Without this, tagging the root of a corpus with `vector-index` indexed nothing because the tag applies to the directory only, not to its children. The vector scanner additionally consults EXCLUDED_TAGS now, so a folder marked off-limits is skipped even if it (or an ancestor) carries the include tag — defense-in-depth, matching the "exclusion wins" contract already enforced by the MCP file tools. Also addressed a recurring memory-style nit: pre-existing f-string log lines in find_files_by_tag were converted to lazy %-style. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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21e5608a39 |
refactor(search): address PR #750 round 2 review feedback
Implements fire-and-forget eviction (ADR-019 §"Lazy eviction"): the search response no longer waits on Qdrant deletes, instead spawning evict() on a long-lived lifespan-owned task group. Falls back to inline eviction in modes without vector sync and in unit tests. Also: harden _verify_news_items against non-numeric ids (fail open instead of crashing the verifier); document the get_file_info None-on-404 contract; add INDEXED_DOC_TYPES single source of truth in vector/scanner.py referenced by the CI-guard test; write a Verify-on-Read Latency Budget section in docs/configuration.md covering the unbounded news.get_items fetch. Closes the two remaining ADR-019 implementation checklist items. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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a11ae9c027 |
refactor: enforce PLC0415 (import-outside-top-level) for source code
Enable ruff PLC0415 rule for all source files (tests excluded via per-file-ignores). Move 136 inline imports to top-level across 33 files. 8 imports suppressed with noqa for legitimate reasons: circular dependencies (client/__init__.py, context.py), optional dependency guards (app.py document processors, auth/userinfo_routes.py), and post-env-setup imports (smithery_main.py). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> |
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056414752e | fix(mcp): Move all imports to the top of modules | ||
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e0320e761c |
perf(deck): optimize card lookup by storing board_id/stack_id in metadata
Addresses reviewer feedback on PR #395 about O(n²) performance issue. Changes: - scanner.py: Add metadata field to DocumentTask with board_id/stack_id - scanner.py: Populate metadata during deck card scanning (both initial and incremental sync) - processor.py: Use metadata for O(1) card lookup via get_card() API when available - processor.py: Fallback to iteration for legacy data without metadata - context.py: Add _get_deck_metadata_from_qdrant() helper to retrieve metadata from Qdrant - context.py: Use metadata for fast path lookup in chunk context expansion - context.py: Add user_id parameter to _fetch_document_text() for metadata retrieval Performance Impact: - Before: O(boards × stacks × cards) iteration for each card lookup - After: O(1) direct API call using stored board_id/stack_id - Graceful degradation: Falls back to iteration for legacy data Testing: - All existing integration tests pass (test_deck_vector_search.py) - Type checking passes with no new errors 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com> |
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20404cf3f2 |
feat(vector): add Deck card vector search with visualization support
Adds comprehensive vector search support for Nextcloud Deck cards,
including semantic search indexing, chunk preview in the vector viz UI,
and proper deep linking to cards.
**Vector Search Indexing**
- Add deck_card scanning in scanner.py (scan_deck_cards function)
- Index cards from non-archived, non-deleted boards
- Store metadata: board_id, board_title, stack_id, stack_title, card_type, duedate, owner
- Content structure: title + "\n\n" + description (matches indexing format)
- Incremental sync based on lastModified timestamp
- Deletion tracking with grace period
**Vector Visualization Support**
- Add deck_card handler in context.py for chunk preview expansion
- Include board_id in search result metadata (bm25_hybrid.py, semantic.py)
- Expose metadata in viz_routes.py JSON responses
- Update vector-viz.js to construct proper Deck URLs: /apps/deck/board/{board_id}/card/{card_id}
- Update vector_viz.html filter label from "Deck" to "Deck Cards"
**Bug Fixes**
- Skip soft-deleted boards (deletedAt > 0) to prevent 403 Forbidden errors
- Applies to scanner, processor, and context expansion code paths
- Deck API returns deleted boards but rejects stack access with 403
**Testing**
- Add integration tests in test_deck_vector_search.py:
- test_deck_card_semantic_search: Filtered search with doc_type="deck_card"
- test_deck_card_appears_in_cross_app_search: Cross-app search includes deck cards
- test_deck_card_chunk_context: Chunk context fetching for viz preview
**Documentation**
- Update README.md: Add Deck cards to semantic search feature list
- Update semantic-search-architecture.md: Document deck_card support
- Update nc_semantic_search tool documentation
**Type Safety**
- Fix type narrowing for page_boundaries (could be None) using cast()
- Fix scanner.py payload None check for type safety
Resolves vector search for Deck cards across indexing, search, and visualization.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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3f06e2ee77 |
fix: resolve all type checking errors (8 errors fixed)
Fixed 8 type checker errors across the codebase:
- vector/scanner.py: Handle None scroll results with null-safe iteration
- search/{bm25_hybrid,semantic}.py: Add None checks for result.payload
- auth/{unified_verifier,webhook_routes}.py: Assert non-None auth credentials
- client/webdav.py: Add None checks before int() conversions
- providers/openai.py: Assert embedding_model is not None
- search/algorithms.py: Explicitly type doc_types set and cast values
- observability/logging_config.py: Match parent class signature (log_data)
Also fixed test_create_tag_creates_system_tag to match WebDAV implementation
(was testing OCS API endpoint, now tests correct WebDAV endpoint with
Content-Location header).
Type checker: 0 errors (down from 8), 20 warnings (ignored)
Tests: All 192 unit tests passing
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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a5cb6e1242 |
refactor(news): simplify vector sync to fetch all items
Remove the complex starred+unread filtering logic in scan_news_items(). The News app's auto-purge feature (default: 200 items per feed) already limits the total number of items, making explicit filtering unnecessary. Changes: - Replace two API calls (starred + unread) with single all-items call - Remove deduplication logic that merged both lists - Update docstring to explain the simpler approach This reduces code complexity while maintaining the same effective coverage. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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a33f6a2f15 |
feat(news): add Nextcloud News app integration
Add full integration for the Nextcloud News (RSS/Atom reader) app: - Add NewsClient with complete CRUD operations for folders, feeds, and items - Add 8 read-only MCP tools for listing/getting folders, feeds, items - Add Pydantic models for News entities with camelCase alias support - Add vector sync support for starred + unread items - Add HTML to Markdown converter using markdownify for better embeddings - Add Docker post-install hook to enable News app - Add 25 unit tests for NewsClient API methods Vector sync indexes starred and unread items, providing a balanced approach that captures important (starred) and current (unread) content without indexing the entire article history. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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ec2c274cd9 |
fix: Increase placeholder staleness threshold to 5x scan interval
- Changed from 2x (120s) to 5x (300s) scan interval - Large PDFs take 3-4 minutes to process, need longer threshold - Prevents premature requeuing of in-flight documents |
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47f0b3db9a |
fix: Add placeholder staleness check to prevent duplicate processing
- Only requeue documents if placeholder is older than 2x scan interval (120s default) - Prevents scanner from immediately requeuing in-flight documents - Fixes issue where PDFs were being reprocessed every 60 seconds - Staleness check applied to both notes and files scanning logic |
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13b2d0048c |
feat: Implement Qdrant placeholder state management
Introduces a placeholder-based state tracking system to prevent duplicate document processing during the gap between scanner queuing and processor completion. **Key Changes:** 1. **Placeholder Helper Functions** (`vector/placeholder.py`): - `write_placeholder_point()` - Creates zero-vector placeholder when queuing - `query_document_metadata()` - Queries for existing entry (placeholder or real) - `delete_placeholder_point()` - Removes placeholder before writing real vectors - `get_placeholder_filter()` - Filters placeholders from user-facing queries 2. **Scanner Updates** (`vector/scanner.py`): - Replace `indexed_at` comparison with `modified_at` comparison - Write placeholder before queuing each document - Query per-document metadata instead of bulk-querying indexed_at - Fixes bug where files were resubmitted every scan cycle 3. **Processor Updates** (`vector/processor.py`): - Delete placeholder before upserting real vectors - Ensures no duplicate points in Qdrant 4. **Query Filters** (all search files): - Add `get_placeholder_filter()` to all user-facing queries - Ensures placeholders never appear in search results or visualizations - Applied to: bm25_hybrid.py, semantic.py, viz_routes.py, algorithms.py **Architecture:** - Placeholders use zero vectors with dimension from embedding service - Payload includes `is_placeholder: True` flag for filtering - Status field tracks: "pending", "processing", "completed", "failed" - Deterministic UUIDs using uuid5 for consistent point IDs **Impact:** - Eliminates duplicate processing of same documents - Fixes race condition where long-running documents get queued multiple times - Prevents scanner from resubmitting files every scan cycle - Maintains clean separation between in-flight and indexed documents 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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d0691d5aa0 |
feat: Switch files to use numeric IDs with file_path resolution
- scanner.py: Use file_info['id'] as doc_id instead of file_path - scanner.py: Pass file_path in DocumentTask for content retrieval - processor.py: Store file_path in Qdrant payload for later lookup - context.py: Add _get_file_path_from_qdrant() to resolve file_id → file_path - context.py: Update get_chunk_with_context() to handle file ID resolution This makes the system resilient to file renames since file IDs are stable identifiers in Nextcloud, while file paths can change. |
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b8010270c1 |
fix: Add async/await, PDF metadata, and type safety fixes
This commit addresses multiple issues with async operations, PDF metadata extraction, and type safety in document processing and search. ## Async/Await Fixes - processor.py:259 - Added await for chunker.chunk_text(content) - processor.py:270 - Added await for bm25_service.encode_batch(chunk_texts) - tests/unit/test_document_chunker.py - Converted all 12 test methods to async ## PDF Metadata Enhancement - pymupdf.py:143 - Added file_size metadata extraction - pymupdf.py:145-206 - Refactored to extract text page-by-page - Manually loop through pages instead of using page_chunks=True - Generate page_boundaries metadata for precise page tracking - Works around pymupdf.layout.activate() breaking page_chunks=True - processor.py:32-66 - Added assign_page_numbers() helper function - Assigns page numbers to chunks based on overlap with page boundaries - Handles chunks spanning multiple pages - processor.py:298-300 - Call assign_page_numbers() for PDF files ## Type Safety Fixes - bm25_hybrid.py:184 - Removed int() conversion of doc_id - semantic.py:131 - Removed int() conversion of doc_id - viz_routes.py:275 - Removed int() conversion of doc_id - Added comments documenting that doc_id can be int (notes) or str (file paths) ## Testing - All 18 tests passing (12 unit + 6 integration) - No type errors in modified files - Container logs show successful processing - Vector viz searches working correctly 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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137d1d6c75 |
perf: fix vector viz search performance and visual encoding
This commit addresses critical performance issues with vector visualization search (reducing time from 40s to ~2s) and improves result visualization through better visual encoding. ## Performance Fixes ### 1. Fix blocking sleep in retry decorator (base.py:51) - Changed `time.sleep(5)` to `await anyio.sleep(5)` in @retry_on_429 - Prevents entire event loop from freezing during rate limit retries - Impact: Reduced search time from 22s to 16s initially ### 2. Add concurrency limiting for verification (verification.py:77-93) - Added `anyio.Semaphore(20)` to limit concurrent HTTP requests - Prevents connection pool exhaustion (RequestError) from 90+ simultaneous requests - Fixes false filtering (was filtering 77/90 results incorrectly) - Note: Semaphore still in code but verification removed from viz endpoint ### 3. Remove unnecessary verification from viz endpoint (viz_routes.py:483-486) - Visualization only needs Qdrant metadata (title, excerpt), not full content - Verification only required for sampling (LLM needs full note content) - Impact: Reduced search time from 43.7s to ~2s (final fix) ### 4. Restore streaming scanner pattern (scanner.py) - Process notes one-at-a-time using async generator - Avoids loading all notes into memory ## Visualization Improvements ### 5. Result-relative score normalization (viz_routes.py:489-504) - Normalize scores within result set: best=1.0, worst=0.0 - Removes arbitrary RRF normalization (theoretical max didn't make sense) - Makes visual encoding meaningful regardless of algorithm scores ### 6. Power scaling for marker sizes (userinfo_routes.py:743) - Changed from linear `8 + (score * 12)` to power `6 + (score² * 14)` - Creates dramatic visual contrast: 0.0→6px, 0.5→9.5px, 1.0→20px - Combined with opacity (0.2-1.0) for clear visual hierarchy ### 7. Multi-channel visual encoding (userinfo_routes.py:740-745) - Size: Exponentially scaled with score² - Opacity: Linear 0.2-1.0 (keeps all points visible) - Color: Viridis gradient (blue→yellow) - Effect: Top results are large/bright/opaque, context results small/dim/transparent ## Result - Search time: 40s → ~2s (20x faster) - Visual contrast: Subtle → dramatic (clear result hierarchy) - No arbitrary cutoffs: All results visible, best naturally highlighted 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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c8d9cc24e0 |
refactor: migrate asyncio to anyio for consistent structured concurrency
Replace asyncio primitives with anyio equivalents throughout the codebase to establish a single async pattern. This provides better structured concurrency with automatic cancellation on errors and aligns with the pytest anyio configuration. Changes: - hybrid.py: Replace asyncio.gather() with anyio task groups - token_broker.py: Replace asyncio.Lock() with anyio.Lock() - storage.py: Replace asyncio.run() with anyio.run() - app.py: Replace tg.start_soon() with await tg.start() for task status - processor.py: Add task_status parameter for structured startup - scanner.py: Add task_status parameter for structured startup - CLAUDE.md: Update async/await patterns guidance The change from start_soon() to await tg.start() enables proper task initialization signaling, ensuring background tasks are ready before proceeding. This follows anyio best practices for structured concurrency. All 118 unit tests pass with the new implementation. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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4ea5ed72d4 |
feat: Add Grafana dashboard and vector sync metric instrumentation
Implement comprehensive observability for vector database synchronization
with Grafana dashboard and Prometheus metrics.
## Part 1: Grafana Dashboard
Created all-in-one operations dashboard with 7 rows and 34 panels:
### Dashboard Structure:
- **Overview Row**: Request rate, error rate, P95 latency, active requests
- **HTTP Metrics (RED)**: Request/error rates by endpoint, latency percentiles
- **MCP Tools**: Call volume, error rates, execution duration by tool
- **Nextcloud API**: API calls/latency by app, retry patterns
- **OAuth & Authentication**: Token validations, exchanges, cache hit rate
- **Dependencies & Health**: Status for Nextcloud/Qdrant/Keycloak/Unstructured
- **Vector Sync**: Processing throughput, queue depth, Qdrant operations
### Helm Chart Integration:
- Added dashboard-configmap.yaml template for automatic provisioning
- Configured Grafana sidecar auto-discovery (label: grafana_dashboard="1")
- Added dashboards configuration section in values.yaml (opt-in)
- Updated Chart.yaml with dashboard annotations
- Enhanced NOTES.txt with dashboard deployment instructions
- Comprehensive documentation in dashboards/README.md
Dashboard supports dynamic filtering via variables:
- datasource: Prometheus data source selection
- namespace: Filter by Kubernetes namespace
- pod: Multi-select pod filtering
- interval: Query interval (1m/5m/10m/30m/1h)
## Part 2: Vector Sync Metric Instrumentation
Implemented metric recording throughout vector sync pipeline:
### metrics.py:
Added convenience functions:
- record_vector_sync_scan() - Track documents per scan
- record_vector_sync_processing() - Track processing duration/status
- record_qdrant_operation() - Track database operations
- update_vector_sync_queue_size() - Track queue depth
### scanner.py:
- Record number of documents found in each scan
- Enables monitoring of scan throughput
### processor.py:
- Record processing duration for each document
- Track success/failure status with timing
- Record Qdrant upsert/delete operations
- Handle all code paths (success, deletion, error)
### semantic.py:
- Wrap Qdrant query_points with try/except
- Record search operation success/failure
## Metrics Exposed:
- mcp_vector_sync_documents_scanned_total
- mcp_vector_sync_documents_processed_total{status}
- mcp_vector_sync_processing_duration_seconds (histogram)
- mcp_vector_sync_queue_size (gauge)
- mcp_qdrant_operations_total{operation,status}
This enables monitoring of:
- Scan and processing throughput
- Processing latency (P50/P95/P99)
- Error rates for processing and Qdrant operations
- Queue depth trends
- Complete observability of vector sync pipeline
## Testing:
Verified locally that metrics are recorded correctly:
- 36 documents scanned
- 3 documents processed (avg 7.5s each)
- 3 successful Qdrant upsert operations
- Search operations tracked
## Deployment:
Enable dashboard provisioning in Helm values:
```yaml
dashboards:
enabled: true
grafanaFolder: "Nextcloud MCP"
```
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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a6e5f3d8ff |
refactor: simplify OpenTelemetry tracing configuration
Simplifies the OpenTelemetry tracing setup by removing the redundant OTEL_ENABLED flag and using the presence of OTEL_EXPORTER_OTLP_ENDPOINT to determine if tracing should be enabled. This follows the standard OpenTelemetry environment variable conventions more closely. Changes: - Remove OTEL_ENABLED/tracing_enabled flag in favor of checking if OTEL_EXPORTER_OTLP_ENDPOINT is set - Add OTEL_EXPORTER_VERIFY_SSL configuration option for OTLP endpoints with self-signed certificates (defaults to false for development) - Move HTTPXClientInstrumentor initialization to module level to ensure httpx calls are traced across all Nextcloud API requests - Add tracing spans to vector sync operations (scan_user_documents) - Fix authorization header logging to only warn about missing headers in OAuth mode (BasicAuth mode doesn't use Authorization headers) - Update observability documentation to reflect simplified configuration - Refactor Dockerfile to use --no-editable flag for uv sync Breaking changes: - OTEL_ENABLED environment variable is removed - Tracing is now automatically enabled when OTEL_EXPORTER_OTLP_ENDPOINT is set Migration guide: - Remove OTEL_ENABLED=true from environment configuration - Tracing will be enabled automatically if OTEL_EXPORTER_OTLP_ENDPOINT is configured 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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640a7818f9 |
fix: optimize Notes API pagination with pruneBefore parameter
The Nextcloud Notes API intentionally returns all note IDs (with only 'id' field) in the last chunk to enable deletion detection. Without using the pruneBefore parameter, this causes duplicates - all notes appear with full data in chunks, then again with minimal data in the last chunk. This commit implements proper pruneBefore support: - NotesClient.get_all_notes() now accepts prune_before timestamp parameter - Scanner calculates max(indexed_at) from Qdrant to use as prune threshold - Only notes modified after this timestamp are sent with full data - Deduplication logic handles the API's deletion detection pattern - Significantly reduces data transfer for incremental syncs The behavior is documented in Notes API v1 spec - this is not an API bug, but a feature we weren't utilizing correctly. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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e575c8e57b |
feat(vector): Support multiple embedding models with auto-generated collection names
This PR enables safe switching between embedding models and multi-server
deployments by implementing auto-generated Qdrant collection names based on
deployment ID and model name.
## Problem
Previously, all deployments used a single hardcoded collection name
"nextcloud_content", which caused two critical issues:
1. **Dimension mismatches when switching models**: Changing
OLLAMA_EMBEDDING_MODEL (e.g., nomic-embed-text at 768D → all-minilm at
384D) would cause runtime errors as vectors couldn't be inserted into a
collection with incompatible dimensions.
2. **Collection collisions in multi-server setups**: Multiple MCP servers
sharing a single Qdrant instance would overwrite each other's data,
making horizontal scaling impossible.
## Solution
### Auto-Generated Collection Naming
Collections are now automatically named using the pattern:
\`{deployment-id}-{model-name}\`
**Deployment ID**: Uses \`OTEL_SERVICE_NAME\` if configured (and not default
value), otherwise falls back to \`hostname\` for simple Docker deployments.
**Model Name**: From \`OLLAMA_EMBEDDING_MODEL\` with path separators sanitized.
**Examples**:
- \`my-mcp-server-nomic-embed-text\` (with OTEL_SERVICE_NAME=my-mcp-server)
- \`mcp-container-all-minilm\` (simple Docker, hostname=mcp-container)
**Override**: Users can still set \`QDRANT_COLLECTION\` explicitly to bypass
auto-generation for backward compatibility.
### Dimension Validation
Added startup validation that checks collection dimensions match the
embedding service. If a mismatch is detected, the server fails fast with a
clear error message explaining:
- Expected vs actual dimensions
- Likely cause (model change)
- Solutions (delete collection, use different name, or revert model)
### Improved Sampling Error Handling
Enhanced MCP sampling rejection handling to treat user rejections as normal
behavior rather than errors:
- **User rejections** ("rejected", "denied") → INFO log, no traceback
- **Unsupported clients** → INFO log, no traceback
- **Other MCP errors** → WARNING log, no traceback
- **Unexpected errors** → ERROR log WITH traceback
This aligns with the MCP specification where clients SHOULD prompt users for
approval/denial of sampling requests.
## Changes
### Core Implementation
- **nextcloud_mcp_server/config.py**: Added \`get_collection_name()\` method
with deployment ID detection and model name sanitization
- **nextcloud_mcp_server/vector/qdrant_client.py**: Dimension validation on
collection open with helpful error messages
- **nextcloud_mcp_server/vector/{scanner,processor}.py**: Updated to use
\`get_collection_name()\`
- **nextcloud_mcp_server/auth/userinfo_routes.py**: Vector sync status uses
\`get_collection_name()\`
- **nextcloud_mcp_server/server/semantic.py**:
- Updated semantic search tools to use \`get_collection_name()\`
- Improved sampling rejection error handling (McpError vs Exception)
### Documentation
- **docs/semantic-search-architecture.md**: New comprehensive architecture
document (557 lines) covering background sync, semantic search flow, RAG
implementation, and deployment modes
- **docs/configuration.md**: Added detailed "Qdrant Collection Naming"
section with examples and multi-server deployment guidance
- **docker-compose.yml**: Added comments explaining collection naming behavior
- **README.md**: Updated semantic search descriptions to clarify
experimental status, Notes-only support, and infrastructure requirements
## Migration Guide
**For existing single-server deployments:**
Option 1 (Recommended): Use explicit collection name for continuity
\`\`\`bash
QDRANT_COLLECTION=nextcloud_content # Keep existing collection
\`\`\`
Option 2: Allow auto-generation and re-embed
\`\`\`bash
# Remove QDRANT_COLLECTION override
# New collection will be created based on deployment ID + model
# Requires re-embedding all documents (may take time)
\`\`\`
**For new multi-server deployments:**
Set unique OTEL service names per server:
\`\`\`bash
# Server 1
OTEL_SERVICE_NAME=mcp-prod
OLLAMA_EMBEDDING_MODEL=nomic-embed-text
# → Collection: "mcp-prod-nomic-embed-text"
# Server 2
OTEL_SERVICE_NAME=mcp-staging
OLLAMA_EMBEDDING_MODEL=nomic-embed-text
# → Collection: "mcp-staging-nomic-embed-text"
\`\`\`
## Benefits
✅ **Safe model switching**: Each model gets its own collection, preventing
dimension mismatch errors
✅ **Multi-server support**: Multiple MCP servers can share one Qdrant
instance without conflicts
✅ **Clear ownership**: Collection names show which deployment and model owns
the data
✅ **Better error messages**: Dimension validation provides actionable
guidance
✅ **Backward compatible**: Existing deployments can continue using
\`QDRANT_COLLECTION\` override
## Testing
Validated with:
- Single-server deployments (default hostname-based naming)
- Multi-server deployments (OTEL service name-based naming)
- Model switching scenarios (dimension validation)
- Collection override scenarios (backward compatibility)
Next steps: Testing various Ollama embedding models to investigate optimal
chunk sizes and performance characteristics.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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7be40a33e1 |
fix(vector): Handle missing 'modified' field in notes gracefully
The vector scanner crashed when encountering notes without a 'modified' field, causing KeyError and preventing initial sync from completing. Changes: - Use dict.get() with fallback value (0) instead of direct key access - Log warnings for notes missing 'modified' field - Apply fix to both initial sync and incremental sync code paths This ensures the scanner continues processing all notes even if some have missing metadata fields, preventing scanner crashes that could affect deployment readiness. Fixes: Notes without 'modified' field causing scanner crash and readiness check failure 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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72232f937a |
refactor: migrate vector sync from asyncio.Queue to anyio memory object streams
Replace asyncio.Queue with anyio.create_memory_object_stream() throughout
the vector sync system for better library consistency and improved shutdown
semantics.
## Changes Made
**scanner.py**:
- Changed parameter type from `asyncio.Queue` to `MemoryObjectSendStream[DocumentTask]`
- Replaced all `await document_queue.put()` calls with `await send_stream.send()`
- Wrapped scanner loop in `async with send_stream:` context manager for automatic cleanup
- Updated log messages: "Queued" → "Sent"
- Removed `import asyncio` (no longer needed)
**processor.py**:
- Changed parameter type from `asyncio.Queue` to `MemoryObjectReceiveStream[DocumentTask]`
- Replaced `asyncio.wait_for(document_queue.get(), timeout=1.0)` with `anyio.fail_after(1.0)` + `await receive_stream.receive()`
- Removed all `document_queue.task_done()` calls (not needed with streams)
- Added `anyio.EndOfStream` exception handling for graceful shutdown when scanner closes
- Removed `import asyncio` (no longer needed)
**app.py**:
- Removed `import asyncio` from top-level imports
- Added `from anyio.streams.memory import MemoryObjectReceiveStream, MemoryObjectSendStream`
- Updated AppContext dataclass:
- Replaced `document_queue: Optional[asyncio.Queue]` with:
- `document_send_stream: Optional[MemoryObjectSendStream]`
- `document_receive_stream: Optional[MemoryObjectReceiveStream]`
- Updated `app_lifespan_basic()`:
- Replaced `asyncio.Queue(maxsize=...)` with `anyio.create_memory_object_stream(max_buffer_size=...)`
- Pass `send_stream` to scanner_task
- Pass `receive_stream.clone()` to each processor_task (enables multiple consumers)
- Updated AppContext yield to include both streams
- Updated `starlette_lifespan()`:
- Same changes as app_lifespan_basic for streamable-http transport
- Removed `import asyncio as asyncio_module` (no longer needed)
- Updated app.state storage to use send_stream and receive_stream
**semantic.py**:
- Updated `nc_get_vector_sync_status()` tool:
- Access `document_receive_stream` instead of `document_queue` from lifespan context
- Use `stream_stats.current_buffer_used` instead of `queue.qsize()` for pending count
- More reliable metrics (qsize() was not guaranteed accurate)
## Benefits
1. **Library Consistency**: Pure anyio throughout codebase (was mixing asyncio.Queue with anyio.Event and anyio.create_task_group)
2. **Graceful Shutdown**: `async with send_stream:` automatically closes stream on exit, signaling EndOfStream to all processors
3. **Better Timeout Handling**: `anyio.fail_after()` is more idiomatic than `asyncio.wait_for()`
4. **Stream Cloning**: Easy to add multiple consumers via `receive_stream.clone()`
5. **Better Statistics**: `.statistics()` provides accurate buffer metrics (qsize() was unreliable)
6. **Type Safety**: Separate send/receive types prevent accidental misuse
7. **No task_done() tracking**: Streams handle completion automatically
## Testing
- ✅ All 69 unit tests passing
- ✅ All 5 smoke tests passing
- ✅ No regressions in functionality
- ✅ Graceful shutdown behavior improved
## References
- https://anyio.readthedocs.io/en/stable/why.html#queue-fix
- https://anyio.readthedocs.io/en/stable/streams.html#memory-object-streams
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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a854656d3c |
fix: implement deletion grace period and vector sync status tool
This commit addresses issues with vector database synchronization that
were causing test failures:
1. **Deletion Grace Period** (scanner.py)
- Fixed premature deletion of documents due to pagination cursor
inconsistencies in Notes API
- Implemented 2-scan verification with 1.5x scan interval grace period
(15 seconds default)
- Documents must be missing for 2 consecutive scans before deletion
- Documents that reappear are removed from deletion tracking
- Prevents false deletions during concurrent note creation/indexing
2. **Vector Sync Status Tool** (server/notes.py, models/notes.py)
- Added nc_notes_get_vector_sync_status MCP tool
- Returns indexed_count, pending_count, status, and enabled fields
- Enables tests and clients to wait for vector sync completion
- Uses lifespan context to access document queue and Qdrant client
3. **Test Improvements** (test_sampling.py, conftest.py)
- Added temporary_note_factory fixture for creating multiple test notes
- Updated all sampling tests to wait for vector sync completion
- Adjusted score_threshold to 0.0 for SimpleEmbeddingProvider
(feature hashing produces low-quality embeddings)
- Fixed CallToolResult extraction (removed ["result"] key access)
- Removed invalid @pytest.mark.asyncio markers (anyio mode)
All integration tests now pass successfully.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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4dbb2eb468 |
fix: integrate vector sync tasks with Starlette lifespan for streamable-http
Fixes background task startup for streamable-http transport by integrating vector sync initialization into the Starlette lifespan context manager. Starlette Lifespan Integration: - Moved background task startup from FastMCP lifespan to Starlette lifespan - FastMCP lifespan only triggers on MCP session establishment - Starlette lifespan runs on server startup (correct timing) - Fixed module scoping issues with local imports (anyio_module, asyncio_module) - Added conditional startup based on oauth_enabled flag Scanner Fixes: - Fixed NotesClient method: list_notes() → get_all_notes() - Properly handle AsyncIterator with list comprehension - Collects all notes before processing Verified Working: - Background tasks start successfully on server startup - Scanner fetches notes from Nextcloud API - Processor pool (3 workers) ready for document processing - Health endpoint reports Qdrant status - No startup errors Phase 3 Complete: - BasicAuth mode with vector sync fully functional - Background tasks integrate cleanly with streamable-http transport - Graceful shutdown with coordinated task cancellation Related: ADR-007 Background Vector Database Synchronization 🤖 Generated with Claude Code (https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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8f45e996e8 |
feat: implement vector sync scanner and processor (ADR-007 Phase 2)
Implements background vector database synchronization using anyio TaskGroups for BasicAuth mode with single-user credentials. Scanner Implementation: - Periodic document discovery (hourly, configurable) - Timestamp-based change detection (Nextcloud vs Qdrant) - Wake event for immediate scanning on-demand - Supports both initial sync (all docs) and incremental sync (changes only) - Detects deleted documents and queues for removal Processor Implementation: - Concurrent document processing pool (3 workers default) - I/O-bound embedding generation via Ollama API - Retry logic with exponential backoff (3 retries) - Document chunking (512 words, 50-word overlap) - Handles both index and delete operations - Upserts vectors to Qdrant with rich metadata App Lifespan Integration: - Extended AppContext with background task state - Modified app_lifespan_basic() to start tasks via anyio TaskGroups - Graceful shutdown with coordinated task cancellation - Only activates when VECTOR_SYNC_ENABLED=true Embedding Service: - OllamaEmbeddingProvider with TLS support - Singleton pattern for shared client instances - Batch embedding support for efficiency - Auto-detects embedding dimension (768 for nomic-embed-text) Qdrant Client: - Async client wrapper with singleton pattern - Auto-creates collection on first use - COSINE distance metric for semantic similarity - Integrates with embedding service for dimension detection Health Check Enhancement: - Added Qdrant status check to /health/ready endpoint - Only checks when VECTOR_SYNC_ENABLED=true - 2-second timeout for health probe - Reports connection errors with details Configuration: - VECTOR_SYNC_ENABLED: Enable background sync - VECTOR_SYNC_SCAN_INTERVAL: Scanner frequency (3600s default) - VECTOR_SYNC_PROCESSOR_WORKERS: Concurrent processors (3 default) - QDRANT_URL, QDRANT_API_KEY, QDRANT_COLLECTION: Vector DB config - OLLAMA_BASE_URL, OLLAMA_EMBEDDING_MODEL: Embedding service config Dependencies Added: - qdrant-client>=1.7.0: Vector database client Docker Compose: - Added Qdrant service with health check - Exposed ports 6333 (REST) and 6334 (gRPC) - Configured MCP service with vector sync environment - Added qdrant-data volume for persistence Known Issue: - FastMCP lifespan not triggering for streamable-http transport - Background tasks will start once lifespan integration is complete - Lifespan triggers on MCP session establishment, not server startup Related: ADR-007 Background Vector Database Synchronization 🤖 Generated with Claude Code (https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |