空运成交后可在本群继续锁舱；调价同步舱位费用桶；出单按空运段骨架落费并保留陆运车型尺寸；导出文件名乱码修复。

Co-authored-by: Cursor <cursoragent@cursor.com>

inquiry-agent/tests/test_sea_text_inquiry.py

@@ -1392,8 +1392,41 @@ class SeaGroupCollabFieldTests(unittest.TestCase):
         self.assertEqual(str(rows["空运费"].get("amount") or ""), "9900.00")
         self.assertEqual(str(rows["空运费"].get("unit_price") or ""), "99.00")
         self.assertEqual(str(rows["空运费"].get("quantity") or ""), "100")
+        self.assertEqual(str(rows["空运费"].get("unit") or "").upper(), "KG")
+        self.assertEqual(str(rows["空运费"].get("project") or ""), "空运段")
         self.assertEqual(str(quote.get("total") or ""), "9900.0")
 
+    def test_air_origin_fee_underscore_unit_board(self) -> None:
+        """WO008：起运港、增值费_板，单价… — 单位是板，不能落成票；项目是起运港。"""
+        from agent.llm.extract_text import extract_product_quote
+
+        quote = extract_product_quote(
+            "起运港、增值费_板，单价CNY10，数量100，金额CNY1000@询价小助手",
+            business_line="AIR",
+        )
+        rows = {str(x.get("name") or ""): x for x in (quote.get("fee_rows") or [])}
+        self.assertIn("增值费", rows)
+        self.assertEqual(str(rows["增值费"].get("unit") or ""), "板")
+        self.assertEqual(str(rows["增值费"].get("unit_price") or ""), "10")
+        self.assertEqual(str(rows["增值费"].get("quantity") or ""), "100")
+        self.assertEqual(str(rows["增值费"].get("amount") or ""), "1000")
+        self.assertEqual(str(rows["增值费"].get("project") or ""), "起运港")
+        self.assertEqual(str(quote.get("total") or ""), "1000.0")
+
+    def test_air_origin_fee_mention_prefix_keeps_project_and_unit(self) -> None:
+        """WO009：句首 @询价小助手 不能挡住起运港分段；逗号单位「板」不能丢。"""
+        from agent.llm.extract_text import extract_product_quote
+
+        quote = extract_product_quote(
+            "@询价小助手 起运港、增值费，板，单价CNY10，数量100，金额CNY1000",
+            business_line="AIR",
+        )
+        rows = {str(x.get("name") or ""): x for x in (quote.get("fee_rows") or [])}
+        self.assertIn("增值费", rows)
+        self.assertEqual(str(rows["增值费"].get("unit") or ""), "板")
+        self.assertEqual(str(rows["增值费"].get("project") or ""), "起运港")
+        self.assertEqual(str(rows["增值费"].get("amount") or ""), "1000")
+
     def test_fee_line_text_is_a_product_quote(self) -> None:
         """产品按行改价：码头操作费100CNY / 报关费改为300CNY，必须抽出费用名，不能只当海运费合计。"""
         from agent.llm.extract_text import extract_product_quote