Refresh docker watch tiles on new containers

src/webterm/docker_watcher.py

@@ -281,10 +281,6 @@ class DockerWatcher:
         container_id = actor.get("ID", "")
         attributes = actor.get("Attributes", {})
 
-        # Only handle containers with any webterm label
-        if not _has_webterm_label(attributes):
-            return
-
         if action == "start":
             # Get full container info
             status, body = await self._docker_request("GET", f"/containers/{container_id}/json")
@@ -296,6 +292,7 @@ class DockerWatcher:
                     "Names": ["/" + container_info.get("Name", "").lstrip("/")],
                     "Labels": container_info.get("Config", {}).get("Labels", {}),
                 }
+                if _has_webterm_label(container.get("Labels", {})):
                     await self._add_container(container)
         elif action == "die":
             await self._remove_container(container_id)

tests/test_docker_watcher.py

@@ -221,6 +221,7 @@ class TestDockerWatcherIntegration:
     async def test_handle_event_without_label(self, session_manager):
         """Test that events without our label are ignored."""
         watcher = DockerWatcher(session_manager)
+        watcher._docker_request = AsyncMock(return_value=(404, ""))
 
         event = {
             "Action": "start",
@@ -235,6 +236,33 @@ class TestDockerWatcherIntegration:
         # Should not add container
         session_manager.add_app.assert_not_called()
 
+    @pytest.mark.asyncio
+    async def test_handle_start_event_label_added_after_start(self, session_manager):
+        """Container that gains label after start is picked up."""
+        watcher = DockerWatcher(session_manager)
+
+        async def mock_request(method, path):
+            if "/containers/" in path and "/json" in path:
+                return (
+                    200,
+                    '{"Name": "/test-service", "Config": {"Labels": {"webterm-command": "auto"}}}',
+                )
+            return 404, ""
+
+        watcher._docker_request = mock_request
+
+        event = {
+            "Action": "start",
+            "Actor": {
+                "ID": "container123",
+                "Attributes": {},  # Labels not present on event
+            },
+        }
+
+        await watcher._handle_event(event)
+
+        session_manager.add_app.assert_called_once()
+
 
 @pytest.mark.parametrize(
     ("labels", "expected"),