fix(regulatory): 修复无标签文档适用条件回显

tests/test_regulatory_condition.py

@@ -161,6 +161,61 @@ def test_detect_regulatory_condition_uses_llm_review_for_better_product_name(
     assert candidates["product_name"]["source"] == "llm"
 
 
+def test_detect_regulatory_condition_infers_fields_from_unlabeled_attachment_text(
+    settings, tmp_path, django_user_model
+):
+    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")
+    summary = FileSummaryBatch.objects.create(
+        conversation=conversation,
+        user=user,
+        batch_no="FS-COND",
+        status=FileSummaryBatch.Status.SUCCESS,
+        product_name="第1章 监管信息",
+    )
+    standard_list = tmp_path / "standard_list.txt"
+    standard_list.write_text(
+        "国家药品监督管理局：\n"
+        "卡尤迪生物科技宜兴有限公司申请境内第三类体外诊断试剂"
+        "呼吸道合胞病毒、肺炎支原体核酸检测试剂盒（荧光PCR法）产品注册。\n",
+        encoding="utf-8",
+    )
+    product_list = tmp_path / "product_list.txt"
+    product_list.write_text(
+        "呼吸道合胞病毒、肺炎支原体核酸检测试剂盒\n"
+        "（荧光PCR法）\n"
+        "产品的包装规格\n"
+        "24人份/盒、48人份/盒\n",
+        encoding="utf-8",
+    )
+    FileSummaryItem.objects.create(
+        batch=summary,
+        file_index=1,
+        directory_level="第1章 监管信息",
+        file_name="符合标准的清单.txt",
+        file_type="txt",
+        relative_path="第1章 监管信息/符合标准的清单.txt",
+        storage_path=str(standard_list),
+    )
+    FileSummaryItem.objects.create(
+        batch=summary,
+        file_index=2,
+        directory_level="第1章 监管信息",
+        file_name="产品列表.txt",
+        file_type="txt",
+        relative_path="第1章 监管信息/产品列表.txt",
+        storage_path=str(product_list),
+    )
+
+    candidates = detect_regulatory_condition_candidates(summary)
+
+    assert candidates["product_category"]["suggested"] == "体外诊断试剂"
+    assert candidates["product_name"]["suggested"] == "呼吸道合胞病毒、肺炎支原体核酸检测试剂盒（荧光PCR法）"
+    assert candidates["product_name"]["source"] == "inferred"
+    assert candidates["model_spec"]["suggested"] == "24人份/盒、48人份/盒"
+
+
 def test_workflow_pauses_before_rule_scope_until_conditions_confirmed(settings, tmp_path, django_user_model):
     settings.MEDIA_ROOT = tmp_path
     user = django_user_model.objects.create_user(username="owner", password="pass")