Cover injected-client connect when client was cleared by disconnect.

Restore 100% coverage for the _validate_injected_client early-return paths in Redis and MinIO adapters.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/unit/minio_adapter_test.py

@@ -75,6 +75,16 @@ def test_connect_with_injected_client_raises_on_failure() -> None:
         adapter.connect()
 
 
+def test_connect_with_injected_client_skips_validation_when_client_cleared() -> None:
+    mock_client = MagicMock(spec=Minio)
+    adapter = MinioAdapter(config=TEST_MINIO_CONFIG, client=mock_client)
+    adapter.disconnect()
+
+    adapter.connect()
+
+    mock_client.list_buckets.assert_not_called()
+
+
 def test_connect_disconnects_before_reconnect(
     monkeypatch: pytest.MonkeyPatch,
 ) -> None:

tests/unit/redis_adapter_test.py

@@ -99,6 +99,16 @@ def test_connect_with_injected_client_raises_on_redis_error() -> None:
         adapter.connect()
 
 
+def test_connect_with_injected_client_skips_validation_when_client_cleared() -> None:
+    mock_client = MagicMock(spec=redis.Redis)
+    adapter = RedisAdapter(config=TEST_REDIS_CONFIG, client=mock_client)
+    adapter.disconnect()
+
+    adapter.connect()
+
+    mock_client.ping.assert_not_called()
+
+
 def test_connect_reconnects_when_existing_client_unhealthy(
     monkeypatch: pytest.MonkeyPatch,
 ) -> None: