fix(application-form-fill): 优先路由填表提示并支持rar预览

tests/test_attachment_reader.py

@@ -109,3 +109,38 @@ def test_attachment_reader_skill_returns_structured_details(settings, tmp_path,
     assert result.success is True
     assert result.data["attachments"][0]["filename"] == "readme.txt"
     assert "请读取这个附件" in result.data["attachments"][0]["preview_text"]
+
+
+def test_read_attachment_extracts_files_inside_rar(monkeypatch, settings, tmp_path, django_user_model):
+    from review_agent.file_summary.services.attachment_reader import read_attachment_details
+
+    settings.MEDIA_ROOT = tmp_path
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    archive_path = tmp_path / "uploads" / "第1章_监管信息.rar"
+    archive_path.parent.mkdir(parents=True)
+    archive_path.write_bytes(b"rar")
+    attachment = FileAttachment.objects.create(
+        conversation=conversation,
+        user=user,
+        original_name="第1章_监管信息.rar",
+        storage_path="uploads/第1章_监管信息.rar",
+        file_size=archive_path.stat().st_size,
+    )
+
+    def fake_extract_archive(path: Path, target_dir: Path):
+        extracted = target_dir / "说明书.txt"
+        extracted.write_text("产品名称：甲胎蛋白检测试剂盒", encoding="utf-8")
+        return [extracted]
+
+    monkeypatch.setattr(
+        "review_agent.file_summary.services.attachment_reader.extract_archive",
+        fake_extract_archive,
+    )
+
+    result = read_attachment_details(attachment)
+
+    assert result.status == "success"
+    assert result.file_type == "rar"
+    assert "说明书.txt" in result.sections[0]["name"]
+    assert "甲胎蛋白检测试剂盒" in result.preview_text