feat: 31 new tests, metrics LLM counters, Dockerfile caching, Makefile targets, compose limits, code fixes

tests/test_harvester.py

@@ -231,3 +231,29 @@ async def test_harvest_skips_non_package_asset(db_session):
         db_session,
     )
     assert scan is None
+
+
+# --- Lock cleanup ---
+
+
+@pytest.mark.asyncio
+async def test_cleanup_url_locks_removes_unlocked():
+    import asyncio
+
+    from guarddog_nexus.core.harvester import _url_lock, _url_locks
+
+    async with _url_lock:
+        _url_locks["locked"] = asyncio.Lock()
+        _url_locks["unlocked"] = asyncio.Lock()
+
+    await _url_locks["locked"].acquire()
+
+    for key in list(_url_locks.keys()):
+        if not _url_locks[key].locked():
+            _url_locks.pop(key, None)
+
+    assert "locked" in _url_locks
+    assert "unlocked" not in _url_locks
+
+    _url_locks["locked"].release()
+    _url_locks.clear()