feat(regulatory): 对齐附件4目录核查规则

tests/test_regulatory_workflow.py

@@ -7,6 +7,7 @@ from review_agent.models import (
     FileSummaryItem,
     Message,
     RegulatoryIssue,
+    RegulatoryArtifact,
     RegulatoryReviewBatch,
     WorkflowEvent,
     WorkflowNodeRun,
@@ -201,4 +202,6 @@ def test_workflow_generates_issues_exports_and_assistant_summary(settings, tmp_p
         workflow_type="regulatory_review",
         workflow_batch_id=batch.pk,
     ).count() == 3
+    assert RegulatoryArtifact.objects.filter(batch=batch, name="text_extract_status.json").exists()
+    assert RegulatoryArtifact.objects.filter(batch=batch, name="rag_result_json.json").exists()
     assert conversation.messages.filter(role=Message.Role.ASSISTANT, content__contains="已完成 NMPA").exists()