Commit Graph
572 Commits
Author SHA1 Message Date
Chris CoutinhoandClaude Opus 4.7 8cd3092e87 fix(storage): use NullPool for Postgres engine (cross-loop crashes under anyio TaskGroup)
The Postgres backend hit a hard crashloop in production deployments
where the MCP server runs under anyio TaskGroups with multiple
concurrent background tasks (`vector.oauth_sync.user_manager_task`,
processors, etc.) alongside the request-path code. Symptom in the
pod logs:

  RuntimeError: Task <Task pending name='nextcloud_mcp_server.vector.oauth_sync.user_manager_task'>
    got Future <Future pending cb=[BaseProtocol._on_waiter_completed()]>
    attached to a different loop

followed seconds later by

  RuntimeError: Event loop is closed

while SQLAlchemy's pool tries to clean up the failed connection.
The event loop becomes increasingly unresponsive as asyncpg
protocol Futures pile up holding references to closed loops; the
`/health/live` endpoint eventually misses its probe window and
the kubelet SIGKILLs the pod (exitCode 137), restart-looping the
backend.

Root cause: the engine was built with the default
`AsyncAdaptedQueuePool` (`pool_size=2, max_overflow=5`) and
`pool_pre_ping=True`. asyncpg connection objects are bound to the
event loop they were created on. When the process holds a
singleton engine and tasks running under different anyio
TaskGroups check out connections from that pool, the pre-ping
probe runs on a cached connection whose underlying transport
references a different loop's selector → cross-loop access →
crash.

Switch to `NullPool` — one fresh asyncpg connection per
`engine.connect()`, no caching, no cross-loop bookkeeping to get
wrong. asyncpg connection setup is ~5 ms over LAN and a single
round-trip in the local-Postgres case, so the throughput cost is
negligible for the MCP server's traffic shape (low concurrency,
bursty per-user requests). This matches what the SQLite branch
already does (see `initialize()`) and what Alembic's `env.py`
uses for migrations, so the codebase is now consistent across
all backends.

`DATABASE_POOL_SIZE` / `DATABASE_MAX_OVERFLOW` config knobs are
preserved for backward compatibility but no longer affect the
Postgres engine. The validators in `config.py` continue to
reject values < 1 / < 0, so misconfigured deploys still fail
loudly. A follow-up could mark them deprecated in
`docs/configuration.md`; out of scope here.

Discovered while smoke-testing the per-tenant Postgres flow in
Astrolabe Cloud (every-tenant pod fresh-provisions a database
via the ADR-026 backend → hits this crashloop within ~5 min of
the first MCP-routed request).

Refs:
- ADR-026 § "Concurrency model and pool sizing" (the original
  QueuePool rationale, now superseded by this finding)
- nextcloud_mcp_server/alembic/env.py (NullPool for migrations)
- SQLAlchemy docs: NullPool is the documented choice when
  connection objects don't survive across the lifecycle of the
  pool's logical "owner" (here: the event loop)

Verified:
- `uv run ruff check nextcloud_mcp_server/auth/storage.py` clean
- `uv run pytest tests/unit/test_*storage*.py` → 29 passed

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-17 18:36:22 +02:00
Chris CoutinhoandClaude Opus 4.7 d717c64750 fix(storage): address PR #798 round-4 review (NOSONAR syntax + pg_advisory_lock + engine dispose + nits)
Addresses all 8 items in the round-4 bot review plus 4 remaining
SonarQube OPEN issues that were silently broken by round 3's
malformed NOSONAR markers.

NOSONAR syntax fix (clears the remaining 4 OPEN SQ issues)
----------------------------------------------------------
Round 3 used ``# NOSONAR S<rule_key>`` form. SonarQube Python doesn't
recognize the rule-key suffix — it treats the whole thing as a
malformed suppression directive (S7632) AND lets the underlying rule
keep firing (S7503 on ``_Cursor.__aenter__/__aexit__``).

Switch every marker to bare ``# NOSONAR``, with the rationale moved
into a preceding comment block. Affected sites:
- storage.py: ``_Cursor.__aenter__``, ``_Cursor.__aexit__``
- config.py: ``get_database_ssl()`` ``return False`` + ``ssl.create_default_context()``
- test_storage_logging.py: ``SENTINEL_PASSWORD_FRAGMENT`` constant
- test_storage_postgres.py: three ``bob_pw_v1`` / ``bob_pw_v2`` / ``carol_pw`` literals

Bot 🔴#1 — defensive NOSONAR on get_database_ssl `return False`
--------------------------------------------------------------
Bot predicted S4830 fires on the operator-opt-out path. SQ output
shows it doesn't currently fire, but bare NOSONAR added defensively
with rationale comment.

Bot 🔴#2 — defensive NOSONAR on f-string SQL
--------------------------------------------
``update_oauth_session`` builds its SET clause via ``f"{', '.join(update_fields)}"``;
``get_audit_logs`` builds its WHERE clause via string concatenation.
Both are safe (the fragments only come from this function's own
branches, no user input), but the patterns trip taint analysers.
Annotated both with bare NOSONAR + safety comment explaining the
hardcoded-fragments invariant. Note: S2077 doesn't currently fire
on these; defensive.

Bot 🟡#3 — pg_advisory_lock for concurrent migrations
-----------------------------------------------------
Without coordination, two pods rolling-updating simultaneously can
both observe ``has_alembic=False`` and both try to apply migrations
from scratch — the second crashes with "relation already exists".

New ``_migration_lock()`` async context manager:
- On Postgres: ``SELECT pg_advisory_lock(:lock_id)`` on a fresh
  connection (separate from the engine pool so it survives the
  ``to_thread.run_sync`` worker), held across BOTH the schema-inspect
  AND the migration call. Without that span, two pods could each
  observe "no alembic_version" before either started migrating,
  defeating the lock.
- On SQLite: yields immediately (file-level locking serializes
  writes natively).

Lock ID derived from
``sha256(b"nextcloud-mcp-server:migrations")[:8]`` as a stable signed
int64 so we can't collide with other apps sharing the same Postgres.

Bot 🟡#4 — RefreshTokenStorage.close() + lifespan wiring
--------------------------------------------------------
New idempotent ``close()`` method calls ``await engine.dispose()``,
nulls the engine, resets ``_initialized``. Wired into both
``app_lifespan_basic`` (BasicAuth) and the OAuth lifespan teardown,
each wrapped in ``try/except Exception`` with ``logger.warning`` so a
buggy dispose can't block SIGTERM. Without this, pooled asyncpg
connections leak server-side slots until
``idle_in_transaction_session_timeout`` reaps them — with small pool
defaults and frequent k8s rolling restarts this can starve
``max_connections``.

Bot 🟢#5 — is_sqlite_url docstring on :memory:
----------------------------------------------
Updated docstring to note both file-backed and in-memory forms are
recognized; caller is responsible for ``:memory:`` magic.

Bot 🟢#6 — db_path via make_url(...).database
---------------------------------------------
Replaced ``database_url.split("///", 1)[1]`` hack with SQLAlchemy's
own URL parsing. Naturally handles in-memory (``.database is None``
→ falls back to ``""``). Same lazy-import pattern as the existing
``mask_db_password`` to avoid module-import-time cost.

Bot 🟢#7 — _to_sync_url unrecognized-driver guard
-------------------------------------------------
Pulled ``_KNOWN_ASYNC_DRIVERS = ("aiosqlite", "asyncpg")`` into a
module constant. When an unrecognized ``+<driver>`` token survives
the strip, emits ``logger.warning`` with the known-supported list.
Behavior unchanged for valid URLs.

Bot 🟢#8 — get_audit_logs SELECT * → explicit columns
-----------------------------------------------------
Replaced ``SELECT *`` with explicit column list. Future schema
additions stay out of the dict return.

New tests
---------
- ``test_close_disposes_engine``: pins the public contract — engine
  nulled, state reset, second call is a no-op.
- ``test_concurrent_initialize_serialized_by_advisory_lock``: spawns
  3 concurrent inits against a fresh schema; asserts no "relation
  already exists" and exactly one ``alembic_version`` row at the end.
  Without the lock, this reliably fails on the second concurrent
  task.

Docs
----
- ADR-026: new "Concurrent migrations across pods" subsection
  documents the advisory-lock approach + lock-ID derivation.

Verification
------------
- ``uv run pytest tests/unit/`` — 1025 passed.
- ``TEST_DATABASE_URL=… uv run pytest tests/integration/test_storage_postgres.py -m postgres`` — 9 passed (was 7).
- ``ruff check && ruff format --check && ty check`` — clean.

Expected post-push: SQ scan reports 0 OPEN issues (was 4).

Tracked on Astrolabe Cloud POC board, card #99.

---

_This PR was generated with the help of AI, and reviewed by a Human_

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-17 09:25:42 +02:00
Chris CoutinhoandClaude Opus 4.7 51419329b0 fix(storage): address PR #798 round-3 review (SonarQube + pool sizing + RETURNING test)
Round-3 fixes. Two threads:
- 9 OPEN SonarQube issues caused the "E Security Rating on New Code"
  gate failure. The bot's diagnosis (sa.text(text_sql) → SQL injection)
  was a wrong guess; the actual SQ rules firing were different.
- Bot's substantive concerns: pool defaults too aggressive,
  delete_browser_session RETURNING path untested on Postgres,
  schema_version legacy table created on Postgres, stale module
  docstring.
- User's underlying question on the pool: "isn't 1 connection enough?"
  Right-sized to 2+5 and documented the concurrency model in ADR-026
  so the rationale is durable.

SonarQube quality-gate fixes (clears all 9 OPEN issues)
-------------------------------------------------------
- BLOCKER S6418: rename `SECRET` constant in test_storage_logging.py
  to `SENTINEL_PASSWORD_FRAGMENT` + NOSONAR with rationale.
- CRITICAL S3776: extract `_build_postgres_engine()` from
  `initialize()` (was complexity 26 > 15); incidentally creates a
  clean unit-test seam for engine args.
- CRITICAL S4423: `ssl.create_default_context(cafile=...)` is flagged
  as "weak protocol" — Python 3.10+ already negotiates the strongest
  available protocol. Explicitly pass `purpose=ssl.Purpose.SERVER_AUTH`
  and NOSONAR with the Python-version rationale.
- MAJOR S3358: split the TLS-mode nested ternary in the engine
  factory into a `_describe_ssl_arg()` helper.
- MAJOR S2068 ×3: bind test app-password literals to local vars and
  put `# NOSONAR S2068` on the same line as the literal (anchoring
  requirement) instead of on the closing paren.
- MINOR S7503 ×2: `# NOSONAR S7503` on `_Cursor.__aenter__/__aexit__`
  — they MUST be `async` per the context-manager protocol.

Pool sizing right-sized (answers "why so many connections?")
------------------------------------------------------------
- `DATABASE_POOL_SIZE` default 10 → **2**.
- `DATABASE_MAX_OVERFLOW` default 20 → **5**.
- Per-pod max drops from 30 to 7. With 3 replicas, total = 21
  connections (was 90) — well under managed-Postgres
  `max_connections=100`.
- New INFO log at startup: `Postgres engine ready: pool_size=N
  max_overflow=M (per-pod max K connections)`. Surfaces the active
  sizing without grepping config.
- New ADR-026 § "Concurrency model and pool sizing" explains
  asyncpg's single-flight connection semantics, the MCP workload
  shape (read-mostly point lookups), why-not-1 (multi-user
  serialization), and the tune-up/tune-down recipe.
- `docs/configuration.md` table updated with new defaults +
  homelab-vs-prod tuning guidance, linking the ADR.

RETURNING path covered on Postgres
----------------------------------
- New `test_browser_session_delete_returning` exercises the
  `DELETE … RETURNING user_id` path — the only RETURNING clause in
  the storage layer and the most dialect-sensitive SQL in this PR.
  Asserts both present-row (returns True, row gone) and absent-row
  (returns False) branches.

Schema portability polish
-------------------------
- `alembic 001`: gate `schema_version` table creation on
  `op.get_bind().dialect.name == "sqlite"`. The table exists purely
  to match the fingerprint of pre-Alembic SQLite databases; fresh
  Postgres installs no longer carry the dead legacy table.

Misc polish
-----------
- Module docstring: "SQLite-based" → "SQL-backed", with a sentence
  on the DATABASE_URL opt-in and an ADR-026 link.
- Comment on `_wrap_row` noting `row._mapping` is the documented
  RowMapping accessor in SQLAlchemy 2.x despite the underscore.

Skipped (rationale in PR reply)
-------------------------------
- `_qmark_to_named` SQL-comment handling: docstring already notes
  the limitation; no `?` in storage SQL comments today.
- Module-level `anyio.Lock()`: established precedent confirmed by
  the bot itself.
- `get_audit_logs` `SELECT *`: pre-existing pattern, out of scope.

Verification
------------
- `uv run pytest tests/unit/` — 1025 passed.
- `TEST_DATABASE_URL=… uv run pytest tests/integration/test_storage_postgres.py -m postgres` — 7 passed.
- `ruff check && ruff format --check && ty check` — clean.
- Confirmed `schema_version` absent on fresh Postgres, still present
  on fresh SQLite.

Tracked on Astrolabe Cloud POC board, card #99.

---

_This PR was generated with the help of AI, and reviewed by a Human_

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-16 19:33:23 +02:00
Chris CoutinhoandClaude Opus 4.7 f2b7bf132f fix(storage): address PR #798 review feedback (credentials, asyncpg extra, TLS, pool)
Round-2 fixes after the bot review on PR #798 plus two user follow-ups
(self-signed Postgres support; asyncpg should be a PyPI extra). Folded
into the same PR rather than a follow-up since the work is still
unmerged.

Security
--------
- Mask database credentials in all 5 log call sites (storage.py × 4,
  migrations.py × 1) via a new `mask_db_password()` helper in config.py.
  Uses SQLAlchemy's `make_url(...).render_as_string(hide_password=True)`
  with a regex fallback so the masking path never raises.
- New `tests/unit/test_storage_logging.py` asserts a sentinel password
  never appears in `caplog` during `RefreshTokenStorage.initialize()`.

Distribution
------------
- `asyncpg` moved to `[project.optional-dependencies] postgres` so a
  vanilla `pip install nextcloud-mcp-server` no longer pulls in the
  ~5 MB C extension. The Docker image runs `uv sync --extra postgres`,
  so containerized deployments are unchanged.
- When `DATABASE_URL=postgresql+asyncpg://...` is set on a venv missing
  the extra, `RefreshTokenStorage.initialize()` raises a friendly
  RuntimeError pointing at `[postgres]` rather than the generic
  ModuleNotFoundError.

TLS for the Postgres backend
----------------------------
- New `DATABASE_VERIFY_SSL` + `DATABASE_CA_BUNDLE` env vars mirror the
  existing `NEXTCLOUD_VERIFY_SSL` / `NEXTCLOUD_CA_BUNDLE` pattern
  (validators in Settings.__post_init__, `get_database_ssl()` helper
  alongside `get_nextcloud_ssl_verify()`). `DATABASE_VERIFY_SSL=false`
  wins over `DATABASE_CA_BUNDLE` for incident-response convenience.
- Default is **None** rather than True — keeps PR #798's behavior
  intact for cluster-internal Postgres that runs without TLS. Operators
  opt into verify-full or supply a private CA. ADR-026 records the
  reasoning vs the Nextcloud HTTPS default.
- Engine factory in `storage.py` passes `ssl` via `connect_args` only
  when `get_database_ssl()` returns non-None; otherwise asyncpg's
  default (`prefer`) applies.
- Storage logs which TLS mode is active at INFO (no secret material).

Configurable connection pool
----------------------------
- `DATABASE_POOL_SIZE` (default 10) and `DATABASE_MAX_OVERFLOW`
  (default 20) replace the hardcoded engine values. With many replicas
  this can blow past managed-Postgres `max_connections=100`; tune down
  for large fleets.
- gte-1 / gte-0 validators in __post_init__ reject 0/negative pool
  sizes at startup with the offending value in the error.

Consistency polish
------------------
- Migration 006: convert raw `op.execute("ALTER TABLE ... ADD COLUMN")`
  to `op.batch_alter_table(...).add_column(sa.Column("nonce", sa.Text))`
  for stylistic consistency with the rewritten 001-005. Downgrade now
  drops the column instead of being a no-op.
- `registered_webhooks.created_at` standardized from `sa.Float` to
  `sa.BigInteger` (all other `*_at` columns); `store_webhook()` casts
  `time.time()` → `int`.
- `is_sqlite_url()` made case-insensitive.

Testing
-------
- New `tests/integration/test_storage_postgres.py::test_cleanup_expired_roundtrip`
  exercises `cleanup_expired_tokens`, `cleanup_expired_sessions`, and
  `cleanup_expired_browser_sessions` — relies on DELETE rowcount,
  historically dialect-tricky.
- `tests/unit/test_ssl_config.py` extended with `TestDatabaseSSLSettings`
  + `TestGetDatabaseSSL` classes (9 new tests) mirroring the existing
  Nextcloud SSL tests one-for-one.

Docs
----
- `docs/configuration.md` Centralized-Storage section grew the four new
  env vars + a homelab example with a private CA.
- `docs/ADR-026` grew Distribution, TLS, and `alembic/env.py` async-pattern
  subsections explaining the non-obvious design choices.

Helm chart counterpart in cbcoutinho/helm-charts PR #34 (separate
commit on `feat/nextcloud-mcp-server-database-url`).

Verification
------------
- `uv run pytest tests/unit/` — 1025 passed.
- `TEST_DATABASE_URL=... uv run pytest tests/integration/test_storage_postgres.py -m postgres` — 6 passed (including new cleanup test).
- `uv run ruff check && uv run ruff format --check && uv run ty check -- nextcloud_mcp_server` — clean.

Tracked on Astrolabe Cloud POC board, card #99.

---

_This PR was generated with the help of AI, and reviewed by a Human_

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-16 18:53:45 +02:00
Chris CoutinhoandClaude Opus 4.7 292cbb3292 feat(storage): pluggable database backend via DATABASE_URL (ADR-026)
Adds a `DATABASE_URL` setting that lets `RefreshTokenStorage` run against
any SQLAlchemy async backend, primarily `postgresql+asyncpg://...` for
HA k8s deployments. Default behavior is unchanged: when `DATABASE_URL` is
unset the server falls back to the existing `TOKEN_STORAGE_DB` path /
ephemeral SQLite tempfile.

Why
---
Today every MCP pod needs its own PVC to hold the SQLite file, which
pins the Deployment to one replica and blocks horizontal scaling. With
this change, operators can point all replicas at a shared Postgres
(CNPG, RDS, etc.) and the pods become stateless. Encryption stays in
Python (Fernet); the database only sees ciphertext.

What changed
------------
- `config.get_database_url()` resolves DATABASE_URL → TOKEN_STORAGE_DB →
  ephemeral tempfile in that priority order.
- `RefreshTokenStorage` builds a process-shared `AsyncEngine` in
  `initialize()`. SQLite gets NullPool; Postgres gets pool_size=10,
  max_overflow=20, pool_pre_ping=True. 30 aiosqlite call sites adapted
  via a thin `_DBConn` / `_Cursor` / `_Row` / `_ExecuteCtx` shim so
  existing method bodies need no churn beyond the connection
  context-manager swap.
- 7 `INSERT OR REPLACE` statements rewritten as portable
  `INSERT ... ON CONFLICT (...) DO UPDATE` (SQLite ≥ 3.24, Postgres ≥ 9.5).
- `sqlite_master` legacy-detection lookup replaced with SQLAlchemy
  inspector so the path works against either backend.
- File-permission hardening + parent-dir creation gated on
  `is_sqlite_url(...)` — centralized backends manage their own filesystem.
- Alembic migrations 001/002/003/005 converted from raw `op.execute(SQL)`
  to portable `op.create_table()` / `op.create_index()` with SQLAlchemy
  types. All timestamp columns are `sa.BigInteger` so Postgres allocates
  BIGINT (unix epochs don't fit in INT4). SQLite treats BIGINT as
  INTEGER, so existing deployments at revision 006 see no schema drift.
- `migrations.py` + CLI take URLs; `db {upgrade,downgrade,current,history}`
  gain `--database-url / -u` alongside the legacy `--database-path / -d`.
  `get_current_revision()` uses SQLAlchemy inspector instead of raw
  sqlite3, so the CLI works against Postgres too.
- `docker-compose.yml` adds a `postgres-test` service under the
  `postgres` profile (pinned `postgres:16-alpine` digest) for
  integration testing.
- Unit storage tests parametrized over backends via shared
  `tests/fixtures/storage_backend.py` — every test in
  `test_app_password_storage.py` and `test_webhook_storage.py` runs
  once per backend that is available. Postgres is opted in by
  `TEST_DATABASE_URL`.
- New `tests/integration/test_storage_postgres.py` (5 tests, marked
  `postgres` + `integration`) covers refresh-token, app-password,
  OAuth-session, webhook, and audit-log paths end-to-end on Postgres.
- New `docs/ADR-026-pluggable-database-backend.md` records the decision;
  `docs/configuration.md` documents `DATABASE_URL` with examples.

Out of scope
------------
- No SQLite → Postgres data migration tool (clean cutover; tokens reissue
  on next login, webhooks re-register on next sync tick).
- This repo does not provision Postgres. The matching helm chart change
  lives in cbcoutinho/helm-charts (database.url / existingSecret values).

Verification
------------
- `uv run pytest tests/unit/` — 1012 passed, SQLite path unchanged.
- `docker compose --profile postgres up -d postgres-test`
- `TEST_DATABASE_URL=... uv run pytest tests/integration/test_storage_postgres.py -m postgres -v`
  — 5 passed.
- `TEST_DATABASE_URL=... uv run pytest tests/unit/test_app_password_storage.py
  tests/unit/test_webhook_storage.py` — 50 passed (25 per backend).
- `uv run ruff check && uv run ruff format --check && uv run ty check -- nextcloud_mcp_server` — clean.

Tracked on Astrolabe Cloud POC board, card #99.

---

_This PR was generated with the help of AI, and reviewed by a Human_

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-16 18:06:42 +02:00
Chris CoutinhoandClaude Opus 4.7 79ea4e9e21 fix(config): emit background-ops advisory logs once per process
`_get_background_operations_enabled()` was emitting three advisory log
lines (1 INFO + 2 deprecation WARNINGs) on every call. Because
`get_settings()` is intentionally non-cached and runs on every MCP tool
invocation via `get_client()`, the "Automatically enabled background
operations for semantic search in multi-user mode" INFO line was
firing per-request — 569 entries/hour in one production tenant.

Gate the three log emissions behind a module-level
`_bg_ops_advisories_logged` flag, mirroring the existing
`_warn_missing_secret_once` precedent in
`vector/webhook_receiver.py`. The boolean-derivation path stays
unchanged, so the `Settings` value remains fresh per call.

Extends the autouse `_reload_dynaconf_after_test` fixture to reset the
new flag between tests, and adds two regression tests that call
`get_settings()` five times and assert each advisory fires exactly once.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-16 13:07:50 +02:00
Chris Coutinho 55ca44c9ec Merge remote-tracking branch 'origin/master' into chore/lazy-logging-g004-sweep
# Conflicts:
#	nextcloud_mcp_server/vector/oauth_sync.py
2026-05-13 01:40:32 +02:00
Chris CoutinhoandClaude Opus 4.7 65345fd6eb refactor: drop OAuth-refresh background-sync path from oauth_sync.py
Follow-up to #787/#789 (ADR-022 cleanup). After
`oauth_enabled ↔ enable_login_flow` became an invariant, the
`use_basic_auth=False` branch in `vector/oauth_sync.py` — and the
parameter wiring that fed it — was no longer reachable from any
supported deployment mode. This commit removes the dead code.

- nextcloud_mcp_server/vector/oauth_sync.py:
  - Deleted `get_user_client_oauth` (the OAuth-token refresh helper) and
    its `VECTOR_SYNC_SCOPES` constant.
  - Deleted the `get_user_client` dispatcher. Internal callers now call
    `get_user_client_basic_auth` directly.
  - Dropped the `use_basic_auth: bool` parameter from `user_scanner_task`,
    `multi_user_processor_task`, `_run_user_scanner_with_scope`, and
    `user_manager_task`.
  - Dropped the `token_broker` parameter from the same four functions —
    they no longer need it now that the OAuth-refresh path is gone. The
    `TokenBrokerService` constructed in `app.py` is still used by the
    management API revoke endpoint, just not by background sync.
  - Simplified the user-list query in `user_manager_task` to always read
    from the `app_passwords` table.
  - Replaced all `mode_label = "BasicAuth" if use_basic_auth else "OAuth"`
    with a literal `[BasicAuth]` log prefix (keeps existing log filters
    working).
  - Updated the module docstring to describe the post-cleanup shape.
  - Dropped the now-unused `TYPE_CHECKING` import of `TokenBrokerService`.

- nextcloud_mcp_server/app.py: dropped the `use_basic_auth = True` block
  and the now-stale `token_broker if not use_basic_auth else None` /
  `use_basic_auth` positional args from the two `tg.start(...)` calls in
  the multi-user vector-sync lifespan. Token broker construction stays —
  still consumed by the management API revoke endpoint via
  `app.state.oauth_context["token_broker"]`.

- tests/integration/test_app_password_provisioning.py: deleted four tests
  that exercised the now-removed OAuth-refresh path
  (`test_oauth_mode_uses_refresh_token_only`,
  `test_oauth_mode_raises_error_without_token`,
  `test_get_user_client_oauth_function`,
  `test_oauth_mode_requires_token_broker`) plus the
  `test_get_user_client_dispatches_to_basic_auth` test for the deleted
  dispatcher. Updated the module docstring + imports accordingly. The
  BasicAuth-mode tests (`test_basic_auth_mode_uses_local_storage`,
  `test_multiple_users_basic_auth_mode`, etc.) all remain.

No runtime-behaviour change in any supported deployment mode — the deleted
branches were already unreachable post-PR #787. 3 files changed,
+59 / -301; 1010 unit tests pass; integration jobs for
`mcp-login-flow` and `mcp-multi-user-basic` are the critical regression
gates before merge.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 01:13:53 +02:00
Chris CoutinhoandClaude Opus 4.7 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>
2026-05-13 01:12:17 +02:00
Chris CoutinhoandClaude Opus 4.7 18db9d6cb3 refactor: prune dead pre-LOGIN_FLOW config/runtime branches
Two small post-merge cleanups deferred from PR #787 (ADR-022 follow-up).
Both were explicitly noted in the reviewer's "acknowledged deferred items"
list.

1. config.py: drop `enable_multi_user_basic_auth` and `enable_login_flow`
   from the dynaconf `_DEFAULTS` dict. They were removed from `_field_map`
   in PR #787, so `get_settings()` never read them anyway, but their
   presence in `_DEFAULTS` was visually misleading — readers might think
   they could be set via TOML when in fact `Settings.__post_init__`
   derives them from `MCP_DEPLOYMENT_MODE`. Replaced with a NOTE comment
   pointing at the canonical derivation site.

2. app.py: the lifespan code had
   `use_basic_auth = not oauth_enabled or settings.enable_login_flow`,
   which became always-True once PR #787 enforced
   `oauth_enabled ↔ enable_login_flow` via __post_init__. Hard-coded to
   `True` with a comment explaining the invariant and pointing at the
   separate follow-up that will prune the now-unreachable
   `use_basic_auth=False` code paths in `vector/oauth_sync.py` (which
   includes deleting the `use_basic_auth` parameter from
   `user_manager_task` / `oauth_processor_task` and the OAuth-token-refresh
   branch in `get_user_client`). Kept the variable name and the call-site
   conditionals as-is for now so that follow-up is a clean mechanical
   diff.

No runtime behaviour change: `use_basic_auth` already evaluated to True
in every supported mode after PR #787, and the `_DEFAULTS` entries were
already shadowed by `__post_init__`.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 23:56:44 +02:00
Chris CoutinhoandClaude Opus 4.7 0fb21b5c6d chore: address review-round-5 — stale _sync_derived_flags reference + missing migration-hint test
Two findings from the reviewer's latest pass:

- config_validators.py:329: comment in the LOGIN_FLOW validation block
  still referenced `_sync_derived_flags` (removed in commit 5; derivation
  now lives in `Settings.__post_init__`). Updated the comment to point at
  the correct location so a future reader grepping for the function name
  doesn't come up empty.
- tests/unit/test_config_validators.py: added
  `test_oauth_single_audience_migration_hint` next to the existing
  `test_invalid_deployment_mode_raises_error`. The new test pins the
  ADR-022 rename-hint branch in `detect_auth_mode` by setting
  `MCP_DEPLOYMENT_MODE=oauth_single_audience` and asserting the
  ValueError mentions both the old and new mode names plus "ADR-022".
  Without this, a future refactor could drop the hint without any test
  catching it (the prior `invalid_mode` test only asserts the generic
  "Valid values:" prefix).

No functional changes; 1010 unit tests now pass (+1 from the new hint
test).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 22:57:35 +02:00
Chris CoutinhoandClaude Opus 4.7 1fa4c82fd2 chore: address review-round-4 nits — stale delenv, upgrade hint, in-sync notes
Four small follow-ups from the reviewer's latest pass:

- tests/unit/test_stdio.py:18: the single_user_env fixture used
  monkeypatch.delenv("ENABLE_MULTI_USER_BASIC_AUTH", ...). That env var
  is no longer read after the ADR-022 follow-up; switched to delenv of
  MCP_DEPLOYMENT_MODE which is the canonical mode-selection input today.
  Comment updated to match.
- config_validators.py: when detect_auth_mode rejects an invalid
  MCP_DEPLOYMENT_MODE, surface a one-line ADR-022 migration hint if the
  rejected value is exactly "oauth_single_audience" (the most common
  upgrade pain — users carrying that value over from ADR-021 .env files).
  Other invalid values get the regular "Valid values: …" message
  unchanged.
- config.py + config_validators.py: added cross-reference comments on
  both mode-resolution sites (Settings.__post_init__ and
  detect_auth_mode) noting that they each compute the canonical mode
  independently and must be kept in sync when a new mode is added.
  Surfaces the parallel-duplication intentionally so the next maintainer
  doesn't have to discover it.
- docs/ADR-021-configuration-consolidation.md:92: appended a trailing
  comment to the historical "valid values" example, marking
  oauth_single_audience and oauth_token_exchange as removed in ADR-022.
  ADR-021 stays as the historical record; the trailer points future
  readers at the current state.

No functional changes; 1009 unit tests still pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 22:35:50 +02:00
Chris CoutinhoandClaude Opus 4.7 ade42b55dc docs: clear review-round-3 nits — stale login_flow_v2, duplicates, field comments
Five small findings from the reviewer's third round, plus a SonarCloud
quality-gate failure on a test fixture.

- docs/troubleshooting.md, docs/configuration.md: six pre-PR references
  to a non-existent `login_flow_v2` mode value (the actual enum value is
  `login_flow`). They predated this PR but became actively misleading
  once `detect_auth_mode` started raising ValueError for anything not in
  the mode_map. Replaced with `login_flow` via sed.
- docs/configuration-migration-v2.md: removed a duplicate
  `MCP_DEPLOYMENT_MODE=multi_user_basic` line in the troubleshooting
  section (around line 447) — same shape as the round-2 duplicate
  caught earlier in the migration-steps section. Also dropped the
  `oauth_token_exchange` row from the mode-value table around line 364
  (that enum value was removed in 57303135 and would now raise
  ValueError from detect_auth_mode).
- nextcloud_mcp_server/config.py: field comments for
  `enable_multi_user_basic_auth` and `enable_login_flow` said
  "Auto-set by detect_auth_mode()" but the derivation moved into
  `Settings.__post_init__` in the previous commit. Updated both.
- tests/unit/test_config_validators.py: SonarCloud's python:S2068
  flagged `nextcloud_password="hunter2"` in the
  `test_login_flow_mode_auto_derives_enable_login_flow_flag` fixture I
  added in commit 5 as a potentially hard-coded credential. Other
  fixtures in the same file use the literal `"password"` and aren't
  flagged (they predate the PR and SonarCloud only checks new-code).
  Switched to `"password"` to match the existing convention.

No functional changes; all 1009 unit tests still pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 21:25:51 +02:00
Chris CoutinhoandClaude Opus 4.7 6e7c821761 fix(config): derive mode flags in Settings.__post_init__; address review round 2
The integration jobs for `mcp-multi-user-basic` and `mcp-login-flow`
were failing with HTTP 500s. Root cause: `get_settings()` builds a
fresh Settings on every call (not cached). Commits 3 and 4 set the
derived `enable_login_flow` / `enable_multi_user_basic_auth` flags as
a side effect of `detect_auth_mode`. detect_auth_mode runs once at
startup, against the Settings instance owned by `validate_configuration`.
Every per-request call site that does `settings = get_settings()` got
a fresh Settings with both flags at their default `False` (since the
env-var aliases were dropped), causing the multi-user dispatcher in
`context.py` to take the wrong branch and crash.

Fix: move the derivation into `Settings.__post_init__`. Every Settings
instance now carries correct flags from the moment it's constructed —
no caching needed, no mutation-after-construction race. detect_auth_mode
becomes a pure reader of the already-derived state.

The legacy env-var deprecation check moves with it. It also picks up
the reviewer's truthy-string fix: previously `os.getenv(legacy)` fired
for the literal string "false" (a non-empty Python string is truthy),
which would have errored on any user with a leftover
`ENABLE_LOGIN_FLOW=false` in their `.env`. The check now only fires
when the value lowercases to one of {"1", "true", "yes", "on"}.

- nextcloud_mcp_server/config.py: extend Settings.__post_init__ with
  the legacy-deprecation block and the derived-flag derivation
  (resolve mode from deployment_mode + username/password, set flags).
- nextcloud_mcp_server/config_validators.py: drop the
  `_sync_derived_flags` helper (superseded by __post_init__). Drop the
  legacy-env-var deprecation block (moved). `detect_auth_mode` is now
  pure — no mutation. Drop the now-unused `import os`.
- tests/unit/test_config_validators.py: legacy-env-var tests now
  expect `ValueError` at `Settings(...)` construction (via `get_settings()`),
  not at `detect_auth_mode` call. Added two new tests:
    * `test_legacy_env_var_check_ignores_falsy_strings` — pins the
      truthy-string fix (reviewer round 2 finding).
    * `test_derived_flags_stable_across_get_settings_calls` — regression
      test pinning the integration-test fix (two consecutive
      `get_settings()` calls return Settings instances with the same
      derived flags).
  Also reworked `test_login_flow_mode_auto_derives_enable_login_flow_flag`
  to assert at-construction derivation (not the old mutation pattern).
- docs/configuration-migration-v2.md: dropped the duplicate
  `MCP_DEPLOYMENT_MODE=multi_user_basic` line (review round 2 nit — a
  sed artifact from commit 4).
- docs/ADR-021-configuration-consolidation.md: sed-replaced the in-body
  `MCP_DEPLOYMENT_MODE=oauth_single_audience` examples with `login_flow`
  (review round 2 nit — only the status header was updated in commit 4).
- tests/conftest.py: docstring comment for the multi-user-basic fixture
  switched from `ENABLE_MULTI_USER_BASIC_AUTH=true` to
  `MCP_DEPLOYMENT_MODE=multi_user_basic` (review round 2 nit).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 20:44:17 +02:00
Chris CoutinhoandClaude Opus 4.7 282c245da1 refactor(config)!: drop ENABLE_MULTI_USER_BASIC_AUTH env var, fail loud on legacy aliases
Same pattern as the ENABLE_LOGIN_FLOW removal in the previous commit:
the deployment mode (MCP_DEPLOYMENT_MODE) is the single source of truth
for selecting an auth flow. The ENABLE_MULTI_USER_BASIC_AUTH env-var
alias is redundant with `MCP_DEPLOYMENT_MODE=multi_user_basic`.

Unlike the ENABLE_LOGIN_FLOW removal — where silent removal was safe
because Login Flow v2 is the auto-detection default — silent removal
here would be a surprise: a user with only ENABLE_MULTI_USER_BASIC_AUTH=true
in their .env would auto-detect into LOGIN_FLOW after upgrade (wrong
runtime mode). Mitigation: detect_auth_mode now reads os.environ
directly for both legacy aliases and raises ValueError with a one-line
migration message if either is set. Applied retroactively to
ENABLE_LOGIN_FLOW as well — loud is better than silent.

- nextcloud_mcp_server/config.py:
  - Drop the dynaconf env-var alias entry for ENABLE_MULTI_USER_BASIC_AUTH.
  - Update the `enable_multi_user_basic_auth` field docstring to mark it
    as derived / not user-settable.
  - `_is_multi_user_mode()` (early-config helper, runs before Settings
    is built) switched to checking MCP_DEPLOYMENT_MODE directly. Now
    consistent with the canonical detection in detect_auth_mode.
- nextcloud_mcp_server/config_validators.py:
  - Drop the auto-detection branch (`if settings.enable_multi_user_basic_auth`).
    Selection of MULTI_USER_BASIC is now exclusively via the explicit
    MCP_DEPLOYMENT_MODE branch.
  - Add `enable_multi_user_basic_auth` to `_sync_derived_flags` alongside
    `enable_login_flow` — both flags are now derived from the resolved mode.
  - Drop `enable_multi_user_basic_auth` from
    `MODE_REQUIREMENTS[MULTI_USER_BASIC].required` and from the
    `forbidden` lists of SINGLE_USER_BASIC and LOGIN_FLOW (no longer
    user input → no meaningful forbidden check).
  - Add loud-deprecation `ValueError` block at the top of detect_auth_mode
    that errors with a clear migration message when ENABLE_MULTI_USER_BASIC_AUTH
    or ENABLE_LOGIN_FLOW is found in os.environ.
- tests/unit/test_config_validators.py:
  - Switch ~10 fixtures from `enable_multi_user_basic_auth=True` to
    `deployment_mode="multi_user_basic"` (mirrors `enable_login_flow`
    treatment from the previous commit).
  - Switch two `patch.dict(os.environ, {"ENABLE_MULTI_USER_BASIC_AUTH": "true"})`
    blocks to use MCP_DEPLOYMENT_MODE.
  - Rename `test_forbidden_multi_user_basic_auth` to
    `test_forbidden_multi_user_basic_when_credentials_present` — the
    scenario is now an explicit-mode + credentials conflict, not an
    env-var-flag conflict.
  - Add `test_legacy_enable_multi_user_basic_auth_env_var_errors` and
    `test_legacy_enable_login_flow_env_var_errors` to exercise the new
    loud-deprecation ValueError path.
- docker-compose.yml: mcp-multi-user-basic profile switched to
  `MCP_DEPLOYMENT_MODE=multi_user_basic`.
- env.sample: replaced `#ENABLE_MULTI_USER_BASIC_AUTH=true` example with
  `#MCP_DEPLOYMENT_MODE=multi_user_basic`.
- docs/authentication.md, configuration.md, troubleshooting.md,
  auth-flows.md, webhook-management-guide.md,
  configuration-migration-v2.md, ADR-025: replaced env-var examples
  with the canonical MCP_DEPLOYMENT_MODE form.
- docs/ADR-020: marked partly superseded by ADR-022.
- CLAUDE.md: Multi-User BasicAuth section updated to set
  MCP_DEPLOYMENT_MODE.
- nextcloud_mcp_server/vector/oauth_sync.py: module docstring updated.

BREAKING CHANGE: ENABLE_MULTI_USER_BASIC_AUTH is no longer read from
the environment, and setting it now raises a startup ValueError with
a migration message. Replace `ENABLE_MULTI_USER_BASIC_AUTH=true` with
`MCP_DEPLOYMENT_MODE=multi_user_basic`. The same loud-deprecation
check is also applied to the recently-removed ENABLE_LOGIN_FLOW —
replace with `MCP_DEPLOYMENT_MODE=login_flow` (or drop both;
`login_flow` is the auto-detect default when no other auth env vars
are set).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 20:06:16 +02:00
Chris CoutinhoandClaude Opus 4.7 df4994e860 refactor(config)!: derive enable_login_flow from mode, remove ENABLE_LOGIN_FLOW env var
Once OAUTH_SINGLE_AUDIENCE was renamed to LOGIN_FLOW and the validation
gate ensured the only meaningful configuration was
`MCP_DEPLOYMENT_MODE=login_flow + ENABLE_LOGIN_FLOW=true`, the two
controls became redundant. Setting the mode is sufficient; the
ENABLE_LOGIN_FLOW env var doesn't add information.

This commit makes the deployment mode the single source of truth for
the Login Flow v2 toggle:

- `nextcloud_mcp_server/config.py`: drop the `ENABLE_LOGIN_FLOW`
  dynaconf env-var alias. The `enable_login_flow` field stays as an
  internal attribute so the 6 runtime call sites (app.py x4,
  context.py, auth/scope_authorization.py) keep working unchanged.
  Updated field docstring to flag it as derived.
- `nextcloud_mcp_server/config_validators.py`:
  - Drop `enable_login_flow` from `MODE_REQUIREMENTS[LOGIN_FLOW].required`.
  - Drop the validation gate that required ENABLE_LOGIN_FLOW=true for
    LOGIN_FLOW mode (no longer possible to misconfigure — the flag is
    derived, not user input).
  - Add `_sync_derived_flags()` helper called at every return path of
    `detect_auth_mode` to set `settings.enable_login_flow` from the
    resolved mode.
- `tests/unit/test_config_validators.py`: drop `enable_login_flow=True`
  from happy-path fixtures (no longer needed — detection sets it).
  Repurpose `test_login_flow_requires_enable_login_flow_flag` into
  `test_login_flow_mode_auto_derives_enable_login_flow_flag` which
  asserts the new auto-derivation behaviour for both LOGIN_FLOW and a
  non-LOGIN_FLOW mode.
- `docker-compose.yml`: remove `ENABLE_LOGIN_FLOW=true` from the
  `mcp-login-flow` and `mcp-keycloak` profiles.
- `env.sample`: remove the ENABLE_LOGIN_FLOW reference; the comment
  on `MCP_DEPLOYMENT_MODE` now notes the derived flag.
- `docs/configuration.md`, `docs/authentication.md`,
  `docs/login-flow-v2.md`, `docs/auth-flows.md`,
  `docs/troubleshooting.md`, `docs/ADR-025-*.md`: replace
  ENABLE_LOGIN_FLOW=true examples and references with
  MCP_DEPLOYMENT_MODE=login_flow.

BREAKING CHANGE: `ENABLE_LOGIN_FLOW` is no longer read from the
environment. Anyone who relied on `ENABLE_LOGIN_FLOW=true` to activate
Login Flow v2 should set `MCP_DEPLOYMENT_MODE=login_flow` instead (or
rely on it being the default when no other auth env vars are set).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 19:45:50 +02:00
Chris CoutinhoandClaude Opus 4.7 cafd318f36 refactor(config)!: rename OAUTH_SINGLE_AUDIENCE to LOGIN_FLOW, gate on ENABLE_LOGIN_FLOW
The AuthMode.OAUTH_SINGLE_AUDIENCE enum was a vestige of ADR-021's
original design where it co-existed with OAUTH_TOKEN_EXCHANGE. The
un-augmented OAuth bearer pass-through it represented relied on
Nextcloud-side patches to user_oidc (Bearer token validation on
non-OCS endpoints) that were never merged upstream (see
docs/authentication.md, docs/login-flow-v2.md). The working path —
mcp-login-flow profile — sets ENABLE_LOGIN_FLOW=true on top of this
mode so Login Flow v2 acquires per-user Nextcloud app passwords via
a browser flow. With OAUTH_TOKEN_EXCHANGE removed in 57303135, the
_AUDIENCE suffix in the Python name no longer disambiguates anything,
and the enum value diverged from the env-var spelling. ADR-022 (now
accepted) called for this rename as step 1 of consolidation.

- nextcloud_mcp_server/config_validators.py: rename enum to LOGIN_FLOW
  with value "login_flow". The mode_map key is now "login_flow"; the
  MODE_REQUIREMENTS entry requires `enable_login_flow=True`. Added a
  validation gate so MCP_DEPLOYMENT_MODE=login_flow without
  ENABLE_LOGIN_FLOW=true errors with a clear message pointing at
  ADR-022. Default auto-detection fallback returns LOGIN_FLOW.
- nextcloud_mcp_server/app.py: renamed three identifier references and
  switched the "Configuring MCP server for OAuth mode" log line to
  the uniform `mode.value` shape used by the other modes.
- nextcloud_mcp_server/api/management.py: renamed identifier in the
  /api/v1/status mapping. The user-visible "auth_mode": "oauth" string
  is preserved — that's a stable Astrolabe contract.
- nextcloud_mcp_server/config.py: updated Settings docstring.
- tests/unit/test_config_validators.py: renamed class
  TestOAuthSingleAudienceValidation → TestLoginFlowValidation,
  individual test methods, env-var strings; added enable_login_flow=True
  to fixtures expecting success; added a new test
  (test_login_flow_requires_enable_login_flow_flag) that exercises the
  validation gate.
- tests/unit/test_management_status_endpoint.py: renamed identifier.

BREAKING CHANGE: MCP_DEPLOYMENT_MODE=oauth_single_audience is no longer
accepted. Set MCP_DEPLOYMENT_MODE=login_flow (and keep
ENABLE_LOGIN_FLOW=true) for the same deployment. The un-augmented
OAuth path is no longer supported; if you previously ran the broken
path, you can either configure Login Flow v2 (recommended) or switch
to multi_user_basic / single_user_basic.

Dead-code pruning of `oauth_enabled and not enable_login_flow`
branches in app.py (lifespan, background sync) is deferred to a
separate follow-up PR per the consolidation plan in ADR-022.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 19:34:13 +02:00
Chris CoutinhoandClaude Opus 4.7 9d5ac01f24 fix(calendar): preserve floating/TZID semantics across CalDAV roundtrip (#782)
The CalDAV REPORT in `_search_events_by_date` unconditionally requested
server-side `<C:expand>`. Per RFC 4791 §9.6.5 the server then normalizes
every expanded DTSTART/DTEND to UTC `Z`, which destroyed two pieces of
information on the read path:

- RFC 5545 floating local times came back as fake-UTC (a `+00:00` suffix
  that did not match the stored value), so a 2:30 PM floating event was
  indistinguishable from a 14:30 UTC event in the MCP response.
- TZID-bound events lost their IANA TZID context — a "10am America/New_York"
  event came back as `14:00:00+00:00`, making it impossible for callers to
  reconstruct DST-aware recurrence semantics.

Replace `<C:expand>` with client-side recurrence expansion via the
`recurring-ical-events` library (promoted from transitive to direct dep),
so the wire response retains its original DTSTART format. Surface the
TZID parameter as new `start_tz`/`end_tz` fields on `CalendarEventSummary`.

Add an optional `timezone` (IANA name) parameter to `nc_calendar_create_event`
and `nc_calendar_update_event` so callers can pin a TZID for naive input;
the helper attaches `ZoneInfo(...)` and emits a paired `VTIMEZONE`
component. Naive input without `timezone` continues to store as RFC 5545
floating local time (with a warning logged). Offset-aware input continues
to store as UTC `Z`.

Drive-by: switch the update path's DTSTART/DTEND assignment from raw
`datetime` to `vDDDTypes(dt)` wrappers — the previous code produced invalid
iCal like `DTSTART:2026-05-14 10:00:00+00:00` for any TZ-aware update.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-11 02:41:10 +02:00
Chris Coutinho 9072559d26 chore: Address reviewers feedback 2026-05-11 00:22:38 +02:00
Chris CoutinhoandClaude Opus 4.7 271904c227 fix(deck): address review — notesPath key, scopes, modernize types
PR #781 review round 1:

- 🔴 Fix notesPath key: the Notes API returns the folder under camelCase
  ``notesPath`` (see models/notes.py:43), but `deck_attach_note` was
  looking up snake_case ``notes_path`` and silently falling back to
  ``"Notes"``. Users with a non-default notes folder would have produced
  shares pointing at non-existent files (404 on click in Deck UI).

- 🔴 Add wire-through unit test that would have caught the above:
  extract `_resolve_note_attach_path(client, note_id)` as a testable
  helper that encapsulates the camelCase-key lookup. Three new tests:
  custom notesPath honored, missing key falls back to default, null
  category handled.

- 🟡 Modernize new fields on `DeckAttachmentExtendedData` to PEP 604
  (`X | None`) per CLAUDE.md.

- 🟡 Drop unnecessary string forward reference on
  `ListAttachmentsResponse.results` — DeckAttachment is defined earlier
  in the same module.

- 🟢 Move `pytestmark = pytest.mark.unit` to module level in
  test_sharing_client.py to match the convention in test_deck_server.py.

Per user request: `deck_attach_file` is now scoped `deck.write` +
``files.read`` (was just `deck.write`) so the generic file-share
permission story is consistent — only `deck_attach_note` keeps
`notes.read` since it specifically reads from the Notes app. Docstring
updated to emphasise the tool is generic over the user's Files
(PDFs/images/etc., not just markdown).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 23:28:37 +02:00
Chris CoutinhoandClaude Opus 4.7 c0a974c498 feat(deck): add file/note attachment MCP tools
Adds four tools that expose Deck card attachments via the MCP surface:
deck_attach_file, deck_attach_note, deck_list_attachments, and
deck_delete_attachment. The attach* variants share an existing Files
entry (or Notes-app note) with the card via OCS shareType=12 — same
mechanism the Deck UI's "Share from Files" picker uses, no file copy.

This replaces the prior workaround of appending bulky activity content
as Deck card comments: per-PR/per-event narrative now lives in NC Notes
and surfaces on the tracking card as a clickable attachment that opens
the original note in place.

Implementation reuses existing client methods (SharingClient.create_share,
DeckClient.get/delete_attachment, NotesClient.get_settings/get_note);
no new client code. _SHARE_TYPE_DECK is centralised with a CI-guard test
to prevent silent drift, and SharingClient.create_share's wire format is
pinned to what the Deck Vue source sends.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 23:17:20 +02:00
Chris CoutinhoandClaude Opus 4.7 9cb0b33ec1 fix(health): forward api-key to Qdrant /readyz so Cloud probes work
The readiness handler called the configured `qdrant_url/readyz` with a
bare httpx.AsyncClient — no headers. That works against a self-hosted
Qdrant (where /readyz is anonymous), but Qdrant Cloud's auth gateway
returns 403 for any unauthenticated request, including /readyz, /livez
and /healthz. Result: every probe against a Cloud cluster fell into
the "status 403" branch, the handler returned 503, and the Pod never
went Ready — even when the configured `AsyncQdrantClient` itself was
authenticating fine for actual collection traffic.

Forward `settings.qdrant_api_key` as the `api-key` header (mirroring
what `vector/qdrant_client.py:540` already does for the real client).
When the key is unset (self-hosted, anonymous case) we send no header,
so existing self-hosted deployments are unchanged.

Verified end-to-end against Qdrant Cloud:
- Without header: GET /readyz -> 403 {"error":"forbidden"}
- With api-key:  same request shape returns 200 (matches what
  AsyncQdrantClient.wait() relies on internally).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 20:15:05 +02:00
Chris Coutinho f3a66cf6bb chore: ruff format 2026-05-10 18:37:27 +02:00
Chris Coutinho 189024f1ca Merge remote-tracking branch 'origin/master' into fix/qdrant-doc-id-keyword-index 2026-05-10 18:37:07 +02:00
Chris CoutinhoandClaude Opus 4.7 8246d9a088 fix(vector): address PR review round 17 + local-mode collection-creation regression
Round 17 reviewer (🟡 Important):

1. docs/configuration.md degraded-migration runbook said `doc_id backfill
   failed on …` but the actual log line in qdrant_client.py:415 is
   `doc_id backfill scroll failed on …`. Operators grepping the runbook
   string would have missed it. Insert the `scroll` qualifier.

2. _create_one_payload_index returned True on the 400 schema-conflict
   path, so a wrong-type index discovered at create time skipped the
   consolidated `Payload index creation incomplete` summary — but a
   wrong-type index discovered via the existing-schema check at line
   195-206 did fire it. Tenants whose payload_schema is hidden from
   their JWT (Qdrant Cloud collection-scoped tokens) only ever observe
   the create-time path, so they never saw the operator-level summary.
   Return False so the summary fires in both cases.

3. docs/configuration.md said the upgrade-time delay was `proportional to
   point count while writes are issued` — overstating the cost. Writes
   are proportional to int-typed points only; the scroll itself is
   proportional to total point count. Reword.

Local-mode collection-creation regression (root-cause of failing
single-user / login-flow / multi-user-basic CI jobs):

PR #779 changed the existence probe in get_qdrant_client from
collection_exists() (returned bool in both modes) to get_collection()
+ except UnexpectedResponse(status_code=404). The HTTP-mode client
raises UnexpectedResponse with a 404 body, but the local/in-memory
client raises ValueError(f"Collection {name} not found") — see
qdrant_client/local/async_qdrant_local.py. The narrow except clause
let the ValueError propagate, app.py's lifespan re-raised as
RuntimeError, and the mcp container crashed on first start. Catch
ValueError too, with a `not found` substring guard so genuine
programming bugs (bad collection_name, etc.) still surface.

Tests: extend the existing 400-path test to assert the new
failed_fields contract; add two get_qdrant_client unit tests pinning
the local-mode VE catch (positive case + propagation case).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 18:33:51 +02:00
Chris CoutinhoandGitHub bf19c948e2 Merge pull request #769 from KuriGohan-Kamehameha/feat/contacts-search-contacts
feat(contacts): add nc_contacts_search_contacts free-text search tool
2026-05-10 18:00:25 +02:00
Chris Coutinho 363c2a2624 Merge remote-tracking branch 'origin/master' into fix/qdrant-doc-id-keyword-index
# Conflicts:
#	nextcloud_mcp_server/vector/qdrant_client.py
2026-05-10 17:55:53 +02:00
Chris CoutinhoandClaude Opus 4.7 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>
2026-05-10 17:50:23 +02:00
Chris CoutinhoandClaude Opus 4.7 04bc2325f2 fix(qdrant): use get_collection for startup probe (multi-tenant safe, take 2)
Follow-up to PR #778 — `collection_exists()` is also denied by Qdrant
Cloud on a collection-scoped JWT, so the multi-tenant fix needs to go
one step further: use `get_collection(name)` (the underlying GET
`/collections/{name}` call) and treat a 404 `UnexpectedResponse` as
the "doesn't exist" signal. That endpoint is the only existence-probe
Qdrant permits on a collection-scoped JWT — listing or probing
collection metadata cluster-wide is a tenant-isolation boundary by
design.

Hit during Astrolabe Cloud smoke17 with the post-#778 image:

    qdrant_client.http.exceptions.UnexpectedResponse: 403 (Forbidden)
    raw response: {"error":"forbidden"}
    File "qdrant_client.py", line 84, in get_qdrant_client
        collection_present = await _qdrant_client.collection_exists(...)

Folds the existence check into the same `get_collection()` call that
already runs immediately afterward for dimension validation, so the
new path is also one fewer round-trip on the happy path.

Cold-start (collection genuinely missing) behavior is unchanged: 404
→ `collection_info` is None → fall through to `create_collection()`.
Whether `create_collection` succeeds is an orthogonal concern (managed
multi-tenant setups pre-provision collections externally; admin-key
single-tenant setups can create on the fly).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 14:19:11 +02:00
Chris CoutinhoandClaude Opus 4.7 f2d4982b2f fix(qdrant): use collection_exists for startup probe (multi-tenant safe)
The startup path in `get_qdrant_client()` calls `get_collections()` to
check whether the configured collection already exists. That's a
cluster-wide list operation; in managed multi-tenant Qdrant Cloud
deployments where each tenant's JWT is scoped to a single collection
(by design — `access: [{"collection": "tenant_<id>", "access": "rw"}]`),
the call returns `403 Forbidden` and the FastAPI lifespan crashes:

    qdrant_client.http.exceptions.UnexpectedResponse: 403 (Forbidden)
    raw response: {"error":"forbidden"}
    RuntimeError: Cannot start vector sync - Qdrant initialization failed

Switching to `collection_exists(collection_name)` (per-collection
HEAD-style probe) only requires access to the named collection, which
the tenant JWT has. Single-tenant deployments using an admin/master
key are unaffected — they had access to both forms; this picks the
narrower one.

Doesn't change creation semantics: when the collection isn't present
the code path still calls `create_collection`. In a managed setup
where the collection is pre-provisioned by an external admin (e.g.,
the Astrolabe Cloud control plane's create-tenant workflow), that
branch never fires for an existing tenant; cold-start tenants get
their collection created by the workflow before the Pod boots.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 14:03:48 +02:00
Chris CoutinhoandClaude Opus 4.7 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>
2026-05-10 13:49:17 +02:00
Chris CoutinhoandClaude Opus 4.7 c5020d9629 fix(vector): address PR review round 14 — accurate offset-skip comment + news_item doc_id guard
Round-14 review surfaced one blocking and one important issue.

context.py: the comment justifying `skip_offset_lookup` claimed
chunk_start/end_offset weren't in _PAYLOAD_INDEX_FIELDS — round 13
indexed both as INTEGER, so the comment now actively misleads. Replace
with the real reason: an indexed chunk_index miss is canonical (both
paths hit the same Qdrant collection), and skipping the offset filter
avoids a redundant round-trip.

verification.py: hoist an is_valid_nextcloud_doc_id guard before the
`int(d)` cast in _verify_news_items, mirroring the boundary-validation
pattern already in _fetch_document_text. Coerce via `str(d)` because
SearchResult.id is `int | str` (D1 forward-compat widening). Malformed
ids now surface as a logger.warning rather than a generic debug line;
fail-open semantics are preserved.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 11:50:46 +02:00
Chris CoutinhoandClaude Opus 4.7 ae23bbe8b8 fix(vector): address PR review round 13 — index offset fields + tighten test
- Add chunk_start_offset / chunk_end_offset to _PAYLOAD_INDEX_FIELDS so
  the legacy offset-based fallback in search/context.py works on Qdrant
  Cloud strict mode (pre-#75 clients have no chunk_index payload).
- Cover chunk_index / chunk_start_offset / chunk_end_offset in the
  payload-index summary test; refresh the stale field-list comment.
- Flag the is_valid_nextcloud_doc_id gate at both chunk-context handler
  sites with a TODO for future non-numeric doc_types.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 10:27:57 +02:00
Chris CoutinhoandClaude Opus 4.7 f9ad7dc52e fix(vector): address PR review round 12 — bool guard + strict doc_id validation
- _group_int_doc_ids: use type(value) is not int instead of isinstance,
  since bool is an int subclass and would otherwise stringify to
  "True"/"False" and corrupt legacy payloads on backfill.
- Replace doc_id.isdigit() guards in 5 boundary sites
  (api/visualization, auth/viz_routes, search/context note/news_item/
  deck_card branches) with a shared is_valid_nextcloud_doc_id helper
  that rejects "0", leading zeros, and Unicode digit classes
  (superscripts, Arabic-Indic, Devanagari) which pass isdigit() but
  cannot be valid MySQL AUTO_INCREMENT IDs.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 20:28:47 +02:00
Chris CoutinhoandClaude Opus 4.7 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>
2026-05-09 17:59:41 +02:00
Chris CoutinhoandClaude Opus 4.7 47c531969f fix(vector): address PR review round 10 — index chunk_index, harden index loop, lazy-init lock
Three coordinated fixes flagged as Important in the round-10 review of
PR #773:

1. Index chunk_index. The chunk-context fast path in
   _get_chunk_by_index_from_qdrant and get_chunk_bbox_and_page_from_qdrant
   filters on chunk_index, but the field was absent from
   _PAYLOAD_INDEX_FIELDS. On Qdrant Cloud strict mode every chunk-context
   lookup via chunk_index would 400 and silently fall back to the
   document re-fetch path — the exact failure mode the chunk_index
   shortcut exists to avoid. Added as INTEGER schema.

2. Catch raw network errors in _ensure_payload_indexes. The
   create_payload_index loop only caught UnexpectedResponse, so an
   httpx.ConnectError or asyncio.TimeoutError mid-loop would propagate
   uncaught — leaving _qdrant_client assigned and silently skipping all
   remaining fields. Added a broad Exception catch with the same
   per-field containment as the 5xx path: log at ERROR with exc_info,
   append to failed_fields, continue. New test covers the path.

3. Lazy-initialise _qdrant_init_lock. Constructing anyio.Lock() at
   module import time works for the asyncio backend but anyio's docs
   advise instantiating synchronization primitives within an async
   context, and pyproject.toml's anyio_mode = "auto" means tests can
   run under trio. Moved the construction into get_qdrant_client; safe
   under cooperative multitasking because there is no await between the
   None-check and the assignment.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 17:07:15 +02:00
Chris CoutinhoandClaude Opus 4.7 d60348e77b fix(api): validate doc_id at chunk-context handler boundary
Add an .isdigit() guard at the top of both chunk-context handlers so a
non-numeric doc_id fails fast with a clear 400 ("doc_id must be numeric,
got 'abc'") rather than silently bottoming out as a 404 from deep inside
get_chunk_with_context. The earlier int(doc_id) coercion was removed when
doc_id became a pure pass-through to Qdrant's keyword payload index, which
also dropped this boundary validation.

Also align test_backfill_emits_progress_log_every_20_batches' scroll stub
with real Qdrant: next_offset is now "next-1" (str) instead of 1 (int),
matching the sibling test_backfill_rewrites_int_doc_ids_to_str. Pure
stub-fidelity fix; production code already treats next_offset as opaque.

Addresses both 🟡 Important items from PR #773 review round 10.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 16:54:06 +02:00
Chris CoutinhoandClaude Opus 4.7 fec1596784 fix(vector): address PR review round 9 — drop redundant guard, add init lock, test float doc_id path
Addresses the four 🟡 important findings from claude-bot review on PR #773:

str (non-Optional) and the guard would silently skip the Qdrant lookup
for an empty string. Removing the guard matches the type signature.

(`all([…, doc_id, …])` rejects None and empty string, plus
`assert doc_id is not None`). No code change needed.

`get_qdrant_client()` with a module-level `anyio.Lock`. Double-checked
locking keeps the steady-state hot path lock-free. Without this,
parallel cold-start callers could all enter the init block and run
`_backfill_doc_id_to_string` + `_ensure_payload_indexes` redundantly
(idempotent, but noisy). Pattern matches `auth/storage.py:2071`.

behavior with three tests covering the float-warning path (the gap
called out in the review), the str/None silent-skip paths, and the
int-grouping happy path.

Verification:
- ruff check / format: clean
- ty check -- nextcloud_mcp_server: clean
- uv run pytest tests/unit/: 969 passed

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 15:53:33 +02:00
Chris CoutinhoandClaude Opus 4.7 64f0842977 fix(vector): guard _group_int_doc_ids against non-int doc_id values
Skip and warn instead of stringifying floats / unexpected types in the
backfill helper. A stray doc_id=3.0 would otherwise be rewritten to
"3.0", which producers (str(int)) and the keyword index would never
match, and which int() on the verification side would reject. Also add
a doc_id=0 case to the backfill test to guard against a future
falsy-skip regression.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 14:53:12 +02:00
Chris CoutinhoandClaude Opus 4.7 a27f738dbf fix(vector): tighten get_chunk_bbox_and_page_from_qdrant doc_id to str
🔴 Blocking finding from PR #773 latest review:
`get_chunk_bbox_and_page_from_qdrant` (`search/context.py:199`) still
declared `doc_id: int | str` and passed the raw value into
`MatchValue(value=doc_id)` at lines 239 and 256 without `str()`
coercion. After this branch's startup backfill normalises every Qdrant
`doc_id` payload to a string, an `int` filter would silently match zero
points — the function would return `(None, None)` instead of the
chunk bbox / page, and PDF highlight overlays would fail in production.

Take option 2 from the reviewer's two suggestions (annotation
tightening over inline coercion): the producer side of this PR has
already narrowed every other `doc_id` annotation to `str`, so this
function is the last hold-out. Pushing the contract into the type
system means `ty` will catch any future regression at the call site.

Production callers in `api/visualization.py` and `auth/viz_routes.py`
already pass `doc_id` (str) verbatim after the recent merge with
master's chunk_index-first refactor, so no caller-side changes needed.

Update the 9 calls in `tests/unit/test_chunk_bbox_helper.py` to use
string literals (`"42"` / `"99"` / `"1"`) instead of integers. The
mock doesn't validate `MatchValue` value types, so the tests passed
with stale int doc_ids today — but they were exercising a path
production no longer takes.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 14:32:33 +02:00
Chris CoutinhoandClaude Opus 4.7 d390b3a4b8 fix(vector): address PR review round 8 — anyio convention + cosine-safe sentinel + dedup get_collection
Reviewer findings (1 blocking + 2 important):

- 🔴 Replace `import asyncio` / `await asyncio.sleep(0)` with
  `import anyio` / `await anyio.sleep(0)` in the four async side-effect
  helpers (_scroll_raises, _upsert_raises, _get_collection_raises,
  _create_index). CLAUDE.md mandates anyio for all async operations;
  conftest pins the backend to asyncio so the asyncio.sleep call worked
  today, but the inconsistency would surface the moment that pin moves.
- 🟡 Replace the sentinel's zero dense vector with a single non-zero
  element (`[1e-9] + [0.0] * (dimension - 1)`). Cosine distance is
  mathematically undefined for the zero vector and Qdrant Cloud strict
  mode rejects zero-vector upserts. The exact value doesn't matter
  (sentinel never participates in a search — no user_id/doc_id/doc_type
  payload) but the upsert itself must be valid.
- 🟡 Avoid the duplicate `get_collection` round-trip on every restart.
  `_ensure_payload_indexes` now accepts an optional
  `existing_schema: dict | None` parameter; when None it fetches
  collection_info itself (and the get_collection-failure swallow still
  applies), but `get_qdrant_client` already fetches collection_info
  for dimension validation in the existing-collection branch — pass
  `collection_info.payload_schema or {}` through to skip the second
  call. The new-collection branch passes `existing_schema={}`
  explicitly since a freshly created collection has no payload schema.

The 🟡 deck_card iteration-fallback finding doesn't apply: the
`isdigit()` guard at context.py:612 returns early before either the
fast-path or the iteration fallback runs, so non-numeric doc_ids
cannot reach the inner `c.id == int(doc_id)` comparison.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 13:48:54 +02:00
Chris Coutinho 9720a7e4fe Merge remote-tracking branch 'origin/master' into fix/qdrant-doc-id-keyword-index 2026-05-09 13:48:21 +02:00
Chris CoutinhoandGitHub 797a698274 Merge pull request #767 from cbcoutinho/fix/chunk-context-indexed-lookup
fix(chunk-context): use indexed chunk_index lookup, fix close-after-use bug
2026-05-09 13:35:08 +02:00
Chris CoutinhoandClaude Opus 4.7 7ef8760d27 fix(chunk-context): address PR #767 review — extract bbox helper, fix page_number overwrite
Resolves both 🟡 important issues from the latest review:

1. `page_number` was unconditionally overwritten in `viz_routes.py:696` even
   when Qdrant's payload lacked the field, clobbering the value resolved
   from `chunk_context.page_number`. The new helper returns each field
   independently and both call sites only overwrite via `is not None`
   guards, matching the existing logic in `visualization.py`.

2. The ~60-line `if chunk_index is not None: ... else: ...` Qdrant scroll
   block was duplicated between `api/visualization.py` and
   `auth/viz_routes.py`. Extracted into `get_chunk_bbox_and_page_from_qdrant`
   in `search/context.py` alongside the existing private `_get_chunk_*_from_qdrant`
   helpers; both routes now share ~12 lines of caller code.

New unit tests at `tests/unit/test_chunk_bbox_helper.py` cover the indexed
and offset paths, the `(bbox, None)` regression case, and graceful
degradation on Qdrant strict-mode 400 (which also closes nit #4).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 13:29:22 +02:00
Chris CoutinhoandClaude Opus 4.7 d00779ce79 fix(vector): add BOOL index for is_placeholder + correct wait=True docstring
Reviewer feedback (2 items):

- Add a BOOL payload index for `is_placeholder` alongside the three
  KEYWORD fields. Strict-mode index-required filtering on Qdrant Cloud
  enforces a payload index on any field used in a `FieldCondition`
  regardless of value type, so `get_placeholder_filter` and
  `delete_placeholder_point` would have produced HTTP 400 on Cloud
  instances even after this PR's KEYWORD fix.

  Implementation: replace `_KEYWORD_PAYLOAD_FIELDS: tuple` with
  `_PAYLOAD_INDEX_FIELDS: dict[str, PayloadSchemaType]` so each
  field carries its own schema type. Rename
  `_ensure_keyword_payload_indexes` to `_ensure_payload_indexes` since
  the function now creates more than just KEYWORD indexes. The
  per-field log line now includes the schema type
  ("Created KEYWORD payload index on 'doc_id'", "Created BOOL payload
  index on 'is_placeholder'") so operators can tell which type was
  created without checking the source.

- Correct the misleading `wait=True` docstring in
  `_apply_backfill_writes`. The previous wording said
  `_ensure_payload_indexes` runs "immediately after this function",
  but `_apply_backfill_writes` is called in a loop inside
  `_backfill_doc_id_to_string` — the index creation runs after the
  backfill function *returns*, not after each write. Rewrote the
  docstring to capture both load-bearing reasons:
  (1) per-batch commit ordering for crash-recovery safety, and
  (2) ensuring the keyword index built later covers committed
  payloads only.

Adds `test_ensure_payload_indexes_includes_is_placeholder_as_bool`
asserting the schema type is BOOL specifically. Existing tests
updated to use the new dict-based registry (side_effect lists now
extend to all four entries; field-set assertions derive from the
registry instead of hardcoding 3 KEYWORD names).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 13:01:05 +02:00
Chris CoutinhoandClaude Opus 4.7 928b973eb8 fix(webdav): decode percent-encoded names in PROPFIND/SEARCH responses
`<d:href>` is required by RFC 3986 to be percent-encoded, so non-ASCII
filenames (e.g. Chinese, Cyrillic) were leaking through `list_directory`
and the SEARCH-based tools (`find_by_name`, `find_by_type`,
`list_favorites`, `search_files`) as their URL-encoded form. Decode with
the already-imported `urllib.parse.unquote` before exposing to callers.

Fixes #776

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 12:57:58 +02:00
Chris CoutinhoandClaude Opus 4.7 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>
2026-05-09 00:30:29 +02:00
Chris CoutinhoandClaude Opus 4.7 c27556c332 fix(vector): address PR review round 5 — progress logging, summary visibility, sentinel split
Addresses three important findings from the latest reviewer comment:

- Add progress INFO log every 20 scroll batches (≈5120 points at
  batch_size=256) in _backfill_doc_id_to_string so a long-running
  migration on a large collection (50k+ points) doesn't look like a
  startup hang. The line carries collection name, scanned count, and
  rewritten count so it doubles as a heartbeat.
- Track non-400 failures in _ensure_keyword_payload_indexes and emit
  a WARNING summary line listing every field that failed to get an
  index. Per-field ERROR lines are easy to miss in startup noise; the
  summary makes the partial-failure state visible at a glance.
- Split the sentinel upsert out of the data-scroll try/except in
  _backfill_doc_id_to_string. A scroll-time failure still logs ERROR
  with the new "scroll failed" wording (data is incomplete). A
  sentinel-write failure now logs WARNING with "data succeeded but
  sentinel write failed" wording — data is correct, only the
  short-circuit marker is missing, and the next restart re-scrolls
  an already-clean collection (idempotent zero-write) before retrying
  the upsert.

Also fix the RuntimeWarning emitted by
test_backfill_logs_and_returns_when_scroll_raises: replace the bare
`RuntimeError` side_effect with an async-callable side_effect so
AsyncMock awaits the coroutine before the exception propagates.

Three new unit tests cover the new branches:
test_backfill_emits_progress_log_every_20_batches,
test_backfill_logs_warning_when_sentinel_upsert_fails,
test_ensure_keyword_payload_indexes_summarises_failed_fields.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 00:15:56 +02:00
Chris CoutinhoandClaude Opus 4.7 c780f96d2b fix(chunk-context): address PR #767 review — drop dead PDF branch, redundant alias, add boundary tests
- Remove unreachable doc_type=="file" branch (and pymupdf/pymupdf4llm
  imports) from _fetch_document_text in search/context.py — the file
  path is short-circuited in get_chunk_with_context before reaching it.
- Drop the redundant `username = request.user.display_name` alias in
  auth/viz_routes.py; both Qdrant scroll filters now reference user_id
  consistently with the rest of the handler.
- Add TestAdjacentChunkBoundary in tests/unit/test_chunk_context_offset_gate.py
  covering chunk_index=0 (before-fetch gate closed) and
  chunk_index=total_chunks-1 (after-fetch gate closed) — the two
  off-by-one boundaries previously untested.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 00:07:51 +02:00
Chris CoutinhoandClaude Opus 4.7 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>
2026-05-08 23:39:37 +02:00