feat(register): enhance workspace extraction and phase status reporting

tests/test_task_manager_status_broadcast.py

@@ -1,5 +1,6 @@
 import asyncio
 
+from src.web.routes.registration import _create_task_status_callback
 from src.web.task_manager import task_manager
 
 
@@ -38,3 +39,34 @@ def test_update_status_broadcasts_to_registered_websocket():
             task_manager.unregister_websocket(task_uuid, websocket)
 
     asyncio.run(run_test())
+
+
+def test_task_status_callback_broadcasts_phase_fields():
+    async def run_test():
+        task_uuid = "test-status-phase"
+        websocket = FakeWebSocket()
+
+        task_manager.set_loop(asyncio.get_running_loop())
+        task_manager.register_websocket(task_uuid, websocket)
+
+        try:
+            callback = _create_task_status_callback(task_uuid, "tempmail")
+            callback({
+                "phase": "redirect_chain",
+                "phase_detail": "跟随重定向 1/6",
+                "step_index": 14,
+            })
+
+            await asyncio.sleep(0.05)
+
+            assert websocket.messages, "expected a status message to be broadcast"
+            assert websocket.messages[-1]["type"] == "status"
+            assert websocket.messages[-1]["status"] == "running"
+            assert websocket.messages[-1]["email_service"] == "tempmail"
+            assert websocket.messages[-1]["phase"] == "redirect_chain"
+            assert websocket.messages[-1]["phase_detail"] == "跟随重定向 1/6"
+            assert websocket.messages[-1]["step_index"] == 14
+        finally:
+            task_manager.unregister_websocket(task_uuid, websocket)
+
+    asyncio.run(run_test())