fix(webui): clear stale run status on reconnect

tests/channels/test_websocket_reconnect_idle.py

@@ -1,6 +1,6 @@
-"""Test websocket reconnect pushes idle status when no turn is active."""
+"""Test websocket subscribe hydration only replays known active turns."""
 
-from unittest.mock import AsyncMock, MagicMock, patch
+from unittest.mock import MagicMock, patch
 
 import pytest
 
@@ -8,29 +8,28 @@ from nanobot.channels.websocket import WebSocketChannel
 
 
 @pytest.mark.asyncio
-async def test_hydrate_after_subscribe_pushes_idle_when_no_turn_active():
-    """Reconnecting client should receive idle status when no turn is running."""
+async def test_hydrate_after_subscribe_is_quiet_when_no_turn_active():
+    """Subscribe hydration must not inject an idle event into normal message order."""
     channel = WebSocketChannel.__new__(WebSocketChannel)
     channel.gateway = MagicMock()
     channel.gateway.session_manager = MagicMock()
     channel.gateway.session_manager.read_session_file = MagicMock(return_value={})
-    
+
     sent_events = []
-    
+
     async def mock_send_goal_state(chat_id, blob):
         sent_events.append(("goal_state", chat_id, blob))
-    
+
     async def mock_send_goal_status(chat_id, status, **kwargs):
         sent_events.append(("goal_status", chat_id, status, kwargs))
-    
+
     channel.send_goal_state = mock_send_goal_state
     channel.send_goal_status = mock_send_goal_status
-    
+
     with patch("nanobot.channels.websocket.websocket_turn_wall_started_at", return_value=None):
         await channel._hydrate_after_subscribe("test-chat")
-    
-    # Should have pushed idle status
-    assert any(e[0] == "goal_status" and e[2] == "idle" for e in sent_events)
+
+    assert sent_events == []
 
 
 @pytest.mark.asyncio
@@ -40,22 +39,21 @@ async def test_hydrate_after_subscribe_pushes_running_when_turn_active():
     channel.gateway = MagicMock()
     channel.gateway.session_manager = MagicMock()
     channel.gateway.session_manager.read_session_file = MagicMock(return_value={})
-    
+
     sent_events = []
-    
+
     async def mock_send_goal_state(chat_id, blob):
         sent_events.append(("goal_state", chat_id, blob))
-    
+
     async def mock_send_goal_status(chat_id, status, **kwargs):
         sent_events.append(("goal_status", chat_id, status, kwargs))
-    
+
     channel.send_goal_state = mock_send_goal_state
     channel.send_goal_status = mock_send_goal_status
-    
+
     with patch("nanobot.channels.websocket.websocket_turn_wall_started_at", return_value=1234567890.0):
         await channel._hydrate_after_subscribe("test-chat")
-    
-    # Should have pushed running status with started_at
+
     running_events = [e for e in sent_events if e[0] == "goal_status" and e[2] == "running"]
     assert len(running_events) == 1
     assert running_events[0][3]["started_at"] == 1234567890.0