fix(regulatory): 修复换行产品名称提取不全

tests/test_regulatory_condition.py

@@ -82,6 +82,41 @@ def test_detect_regulatory_condition_prefers_attachment_fields_over_chapter_titl
     assert candidates["intended_use"]["suggested"] == "用于人血清中甲胎蛋白检测"
 
 
+def test_detect_regulatory_condition_keeps_wrapped_product_name(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",
+    )
+    application = tmp_path / "application.txt"
+    application.write_text(
+        "产品名称：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"
+        "型号规格：24人份/盒\n"
+        "预期用途：用于呼吸道合胞病毒、肺炎支原体核酸检测\n",
+        encoding="utf-8",
+    )
+    FileSummaryItem.objects.create(
+        batch=summary,
+        file_index=1,
+        directory_level="1. 监管信息 / 1.2 申请表",
+        file_name="申请表.txt",
+        file_type="txt",
+        relative_path="1.监管信息/申请表.txt",
+        storage_path=str(application),
+    )
+
+    candidates = detect_regulatory_condition_candidates(summary)
+
+    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["model_spec"]["suggested"] == "24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")