fix(workbench): remove synthetic check projections

tests/unit/test_operational_tasks.py

@@ -647,27 +647,9 @@ def _work_order_snapshot(work_order_id, now):
         "work_order_type": "water_quality_complaint",
         "location": "联调小区",
         "scenario_code": "WQ-SECONDARY-SUPPLY-001",
-        "subtasks": [{
-            "id": "sampling",
-            "title": "现场采样",
-            "summary": "采集并复测",
-            "status": "running",
-            "scheduled_at": (now + timedelta(hours=1)).isoformat(),
-            "location": "联调小区",
-            "assignee": "水质班组",
-            "duration_minutes": 60,
-            "reply_window_minutes": 120,
-            "stages": [{
-                "id": "reply",
-                "sequence": 1,
-                "title": "等待回令",
-                "status": "current",
-                "owner": "水质班组",
-                "time_label": "待反馈",
-                "description": "上传复测结果",
-            }],
-            "reply_requirements": ["上传检测结果"],
-        }],
+        "feedback_requirements": ["上传检测结果"],
+        "activity": [{"sequence": 1, "occurred_at": now.isoformat(), "actor": "水质班组",
+                      "kind": "feedback", "title": "现场反馈", "detail": "上传复测结果"}],
         "origin": "synthetic",
         "updated_at": now.isoformat(),
     }
@@ -707,7 +689,8 @@ async def test_external_feedback_exposes_validated_work_order_snapshot_and_refre
     assert result.task.scheduled_for == now + timedelta(hours=1)
     assert result.task.priority == "urgent"
     assert result.task.work_order_snapshot is not None
-    assert result.task.work_order_snapshot.subtasks[0].stages[0].status == "current"
+    assert result.task.work_order_snapshot.activity[0].title == "现场反馈"
+    assert result.task.work_order_snapshot.feedback_requirements == ["上传检测结果"]
 
 
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