feat: 打通Word导出文件生成与下载闭环

tests/test_chat.py

@@ -1,3 +1,6 @@
+import zipfile
+
+from django.test import override_settings
 from django.urls import reverse
 from django.core.files.uploadedfile import SimpleUploadedFile
 
@@ -465,3 +468,82 @@ def test_chat_upload_keeps_existing_conversation_binding_and_adds_documents(clie
     assert UploadedDocument.objects.filter(batch=batch, original_name="新增补充资料.txt").exists()
     assert "新增补充资料.txt" in content
     assert "已补充到当前资料包" in content
+
+
+@override_settings(MEDIA_URL="/media/")
+def test_generate_registration_export_creates_real_docx_file(db, tmp_path, settings):
+    from apps.chat.export_service import generate_registration_export
+
+    settings.MEDIA_ROOT = tmp_path / "uploads"
+    batch, conversation = _create_conversation_with_batch()
+    risk_summary = {
+        "output_type": "registration_risk_report",
+        "summary": "存在高风险项，正式版导出应被阻断，但允许生成草稿。",
+        "highest_risk_level": "high",
+        "pass_status": "blocked",
+        "manual_review_items": ["CH1.11.5 沟通记录待补齐"],
+        "risk_items": [
+            {"title": "产品名称跨文档不一致", "risk_level": "high"},
+        ],
+    }
+
+    report = generate_registration_export(
+        batch=batch,
+        conversation=conversation,
+        upstream_summary=risk_summary,
+    )
+
+    export_path = settings.MEDIA_ROOT / report["output_file"]["relative_path"]
+    assert report["output_type"] == "registration_word_export_report"
+    assert report["can_export_formally"] is False
+    assert report["export_status"] == "draft_only"
+    assert report["download_url"].startswith("/media/exports/")
+    assert export_path.exists()
+    with zipfile.ZipFile(export_path) as archive:
+        document_xml = archive.read("word/document.xml").decode("utf-8")
+    assert batch.product_name in document_xml
+    assert "产品名称跨文档不一致" in document_xml
+
+
+@override_settings(MEDIA_URL="/media/")
+def test_chat_export_word_route_persists_real_download_link(client, db, tmp_path, settings):
+    settings.MEDIA_ROOT = tmp_path / "uploads"
+    batch, conversation = _create_conversation_with_batch()
+    conversation.node_results = [
+        {"label": "资料包导入", "status": "已完成"},
+        {"label": "目录汇总", "status": "已完成"},
+        {"label": "法规完整性检查", "status": "已完成"},
+        {"label": "字段抽取", "status": "已完成"},
+        {"label": "一致性核查", "status": "已完成"},
+        {"label": "风险预警", "status": "已阻断"},
+        {"label": "Word 回填导出", "status": "待处理"},
+        {"label": "飞书通知", "status": "待处理"},
+    ]
+    conversation.latest_summary = {
+        "structured_output": {
+            "output_type": "registration_risk_report",
+            "summary": "存在高风险项，允许草稿导出。",
+            "highest_risk_level": "high",
+            "pass_status": "blocked",
+            "manual_review_items": ["CH1.11.5 沟通记录待补齐"],
+            "risk_items": [{"title": "产品名称跨文档不一致", "risk_level": "high"}],
+        }
+    }
+    conversation.save(update_fields=["node_results", "latest_summary", "updated_at"])
+
+    response = client.post(
+        reverse("chat:export-word", args=[conversation.conversation_id]),
+        follow=True,
+    )
+
+    content = response.content.decode("utf-8")
+    conversation.refresh_from_db()
+    export_report = conversation.latest_summary["structured_output"]
+    export_path = settings.MEDIA_ROOT / export_report["output_file"]["relative_path"]
+    assert response.status_code == 200
+    assert export_report["output_type"] == "registration_word_export_report"
+    assert export_report["download_url"].startswith("/media/exports/")
+    assert export_path.exists()
+    assert "下载导出文件" in content
+    assert export_report["download_url"] in content
+    assert AgentAuditLog.objects.filter(conversation_id=conversation.conversation_id).count() == 1