fix(vault): the watcher ignores obsidian and lock files before it wakes

tests/test_watch.py

@@ -0,0 +1,63 @@
+import tempfile
+from collections.abc import AsyncIterator
+from pathlib import Path
+
+import pytest
+from watchfiles import Change as FileChange
+
+from beaver_gateway.vault import watch as watch_module
+from beaver_gateway.vault.watch import VaultFilter, VaultWatch, WatchRules
+
+VAULT = Path("/vault")
+FILTER = VaultFilter()
+
+
+def wakes(rel: str) -> bool:
+    return FILTER(FileChange.modified, str(VAULT / rel))
+
+
+def test_obsidian_never_wakes_the_watcher() -> None:
+    assert not wakes(".obsidian/.sync.lock")
+    assert not wakes(".obsidian/.sync.lock/data")
+    assert not wakes(".obsidian")
+    assert not wakes(".obsidian/workspace.json")
+    assert not wakes(".obsidian/plugins/obsidian-git/data.json")
+
+
+def test_other_service_paths_never_wake_the_watcher() -> None:
+    assert not wakes(".trash/📅 дни/2026-09-01.md")
+    assert not wakes(".git/index")
+
+
+def test_notes_still_wake_the_watcher() -> None:
+    assert wakes("📅 дни/2026-09-09.md")
+    assert wakes("мета/бобер/состояние.md")
+    assert wakes("заметка.md")
+    assert wakes("💻 проекты/бобер/план.md")
+
+
+def test_lock_beside_a_note_is_quiet_but_the_note_is_not() -> None:
+    assert not wakes("📅 дни/.2026-09-09.md.lock")
+    assert not wakes("📅 дни/2026-09-09.md.tmp")
+    assert not wakes("📅 дни/2026-09-09.md~")
+    assert wakes("📅 дни/2026-09-09.md")
+
+
+async def test_the_filter_is_applied_by_awatch_itself(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    seen: dict[str, object] = {}
+
+    async def fake_awatch(
+        *paths: object, **kwargs: object
+    ) -> AsyncIterator[set[object]]:
+        seen.update(kwargs)
+        seen["paths"] = paths
+        for change in ():
+            yield change
+
+    monkeypatch.setattr(watch_module, "awatch", fake_awatch)
+    root = Path(tempfile.mkdtemp(prefix="beaver-vault-"))
+    watch = VaultWatch(root, WatchRules(names=("**",)), tz="UTC")
+    await watch.run()
+    assert isinstance(seen["watch_filter"], VaultFilter)