fix(regulatory): 为LLM复核超时增加重试

tests/test_regulatory_workflow.py

@@ -118,6 +118,35 @@ def test_start_regulatory_review_workflow_runs_synchronously(django_user_model):
     ).exists()
 
 
+def test_workflow_continues_when_llm_review_times_out(monkeypatch, settings, django_user_model):
+    settings.REGULATORY_LLM_REVIEW_ALLOW_TEST_CALLS = True
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    summary = FileSummaryBatch.objects.create(
+        conversation=conversation,
+        user=user,
+        batch_no="FS-OK",
+        status=FileSummaryBatch.Status.SUCCESS,
+    )
+    batch = create_regulatory_review_batch(
+        conversation=conversation,
+        user=user,
+        source_summary_batch=summary,
+    )
+    batch.condition_json = {"confirmed": True, "confirmed_conditions": {"product_category": "体外诊断试剂"}}
+    batch.save(update_fields=["condition_json"])
+    monkeypatch.setattr(
+        "review_agent.regulatory_review.services.llm_review.generate_completion",
+        lambda messages, temperature=0.0: (_ for _ in ()).throw(TimeoutError("The read operation timed out")),
+    )
+
+    start_regulatory_review_workflow(batch, async_run=False)
+
+    batch.refresh_from_db()
+    assert batch.status == RegulatoryReviewBatch.Status.SUCCESS
+    assert batch.error_message == ""
+
+
 def test_stream_message_prompts_for_summary_when_missing(monkeypatch, django_user_model):
     user = django_user_model.objects.create_user(username="owner", password="pass")
     conversation = Conversation.objects.create(user=user, title="会话")