feat(application-form-fill): 接入自动填表工作流触发

review_agent/application_form_fill/events.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from review_agent.application_form_fill.constants import WORKFLOW_TYPE
+from review_agent.models import ApplicationFormFillBatch, WorkflowEvent
+
+
+def record_event(
+    batch: ApplicationFormFillBatch,
+    event_type: str,
+    payload: dict | None = None,
+) -> WorkflowEvent:
+    return WorkflowEvent.objects.create(
+        workflow_type=WORKFLOW_TYPE,
+        workflow_batch_id=batch.pk,
+        conversation=batch.conversation,
+        event_type=event_type,
+        payload=payload or {},
+    )
+
+
+def serialize_event(event: WorkflowEvent) -> dict[str, object]:
+    return {
+        "id": event.pk,
+        "event_type": event.event_type,
+        "payload": event.payload,
+        "created_at": event.created_at.isoformat(),
+    }