feat(scouts): add GmailConnector list_labels + stop_watch

tests/test_scout_connectors_gmail.py

@@ -82,3 +82,27 @@ async def test_archive_calls_trash():
     with patch("app.scouts.connectors.gmail._get_gmail_service") as mock_svc:
         await conn.archive(scout, ItemRef(source_msg_ref="msg-1"))
         mock_svc.return_value.users().messages().trash.assert_called()
+
+
+@pytest.mark.asyncio
+async def test_list_labels_returns_id_and_name():
+    scout = _make_scout()
+    conn = GmailConnector()
+    fake = {"labels": [
+        {"id": "INBOX", "name": "INBOX", "type": "system"},
+        {"id": "Label_1", "name": "Work", "type": "user"},
+    ]}
+    with patch("app.scouts.connectors.gmail._get_gmail_service") as mock_svc:
+        mock_svc.return_value.users().labels().list().execute.return_value = fake
+        labels = await conn.list_labels(scout)
+    assert {"id": "INBOX", "name": "INBOX"} in labels
+    assert {"id": "Label_1", "name": "Work"} in labels
+
+
+@pytest.mark.asyncio
+async def test_stop_watch_calls_stop():
+    scout = _make_scout()
+    conn = GmailConnector()
+    with patch("app.scouts.connectors.gmail._get_gmail_service") as mock_svc:
+        await conn.stop_watch(scout)
+        mock_svc.return_value.users().stop.assert_called()