feat: 收口通知原因语义与留痕校验

tests/test_agent_core.py

@@ -513,6 +513,49 @@ def test_feishu_notification_report_builds_notification_payload_with_receipt_and
     assert result.notification_payload["receipt"]["message_id"] == "msg-3"
 
 
+def test_notification_payload_normalizes_unsupported_notify_reason():
+    scenario = {
+        "id": "document_review",
+        "name": "注册审核智能体",
+        "agent": {
+            "role": "注册审核助手",
+            "goal": "输出通知结果",
+            "instructions": ["输出结构化通知结果"],
+        },
+        "rag": {"enabled": False},
+        "tools": [],
+        "output": {"type": "feishu_notification_report"},
+    }
+    provider_response = """
+    {
+      "batch_id": "SUB-20260604-004",
+      "conversation_id": "conv-004",
+      "notify_reason": "custom_reason",
+      "mentioned_users": ["ou_demo_1"],
+      "message_status": "sent"
+    }
+    """
+
+    class FakeProvider:
+        def generate(self, messages, response_format=None):
+            from agent_core.llm_provider import LLMResponse
+
+            return LLMResponse(content=provider_response, model_name="demo-model", success=True)
+
+    result = run_agent(
+        scenario,
+        "请生成通知结果",
+        options={
+            "llm_provider": FakeProvider(),
+            "batch_id": "SUB-20260604-004",
+            "conversation_id": "conv-004",
+            "product_name": "产品D",
+        },
+    )
+
+    assert result.notification_payload["notify_reason"] == "task_completed"
+
+
 def test_registration_word_export_report_preserves_formal_export_flag_and_blocked_items():
     scenario = {
         "id": "document_review",