fix(aiops): persist emergency intervention traces

apps/api/tests/test_callback_dispatcher.py

@@ -15,6 +15,7 @@ Phase 5 Sprint 5.0-5.1 Callback Dispatcher 單元測試
 
 import pytest
 
+from src.services import callback_dispatcher as callback_dispatcher_module
 from src.services.callback_dispatcher import (
     dispatch_action,
     get_action_spec,
@@ -269,6 +270,36 @@ class TestInternalActions:
         assert result.success is True
         assert "12345" in result.result_text
 
+    async def test_record_authorization_persists_audit_intent(self, monkeypatch):
+        captured = {}
+
+        async def fake_record_authorization_audit(*, spec, params, incident_id, user_id):
+            captured["spec"] = spec
+            captured["params"] = params
+            captured["incident_id"] = incident_id
+            captured["user_id"] = user_id
+            return True
+
+        monkeypatch.setattr(
+            callback_dispatcher_module,
+            "_record_authorization_audit",
+            fake_record_authorization_audit,
+        )
+
+        result = await dispatch_action(
+            action_name="secops_isolate",
+            incident_id="INC-SEC-AUTH",
+            user_id=67890,
+            labels={"instance": "192.168.0.110"},
+        )
+
+        assert result.success is True
+        assert "已寫入審計與時間線" in result.result_text
+        assert captured["spec"].name == "secops_isolate"
+        assert captured["params"]["action"] == "request_network_isolation"
+        assert captured["incident_id"] == "INC-SEC-AUTH"
+        assert captured["user_id"] == 67890
+
 
 # =============================================================================
 # Sprint 5.2 — MCP 呼叫失敗路徑（Provider 未註冊）