落地私聊图片询价：识图当口播复用三线文字流程，图上航线三字码保持原样，避免被改写成中文地名。

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

inquiry-agent/agent/schema/field_validate.py

@@ -189,6 +189,8 @@ _ALIASES = {
     "客户名称": "客户名称",
     "货值": "货值",
     "是否为危险品": "是否为危险品",
+    "通关口岸": "通关口岸",
+    "通关口岸（非必填）": "通关口岸",
 }
 
 

inquiry-agent/agent/schema/tms_air_query.py

@@ -47,6 +47,35 @@ _PACKS = {
 }
 
 _IATA = re.compile(r"^[A-Za-z]{3}$")
+_IATA_PAIR = re.compile(
+    r"(?<![A-Za-z])([A-Za-z]{3})\s*[-–—/]\s*([A-Za-z]{3})(?![A-Za-z])"
+)
+# 原话里的 AAA-BBB 不一定是航线，货币/单位不能当成起运目的。
+_IATA_PAIR_BLOCK = frozenset(
+    {
+        "USD",
+        "CNY",
+        "EUR",
+        "GBP",
+        "HKD",
+        "JPY",
+        "CBM",
+        "KGS",
+        "PCS",
+        "PKG",
+        "PDF",
+        "JPG",
+        "PNG",
+        "AND",
+        "THE",
+        "FOR",
+        "NOT",
+        "MAX",
+        "MIN",
+        "GMT",
+        "UTC",
+    }
+)
 _NUMBER = re.compile(r"(\d+(?:\.\d+)?)")
 
 
@@ -67,12 +96,24 @@ def resolve_airport_code(raw: str) -> str:
 
 def harvest_named_air_route(text: str, facts: dict[str, str] | None = None) -> dict[str, str]:
     """
-    当前原话里的「从南京飞吉隆坡 / 北京飞吉隆坡」覆盖起运地、目的地。
+    当前原话里的航线覆盖起运地、目的地。
 
-    只认对照表里的地名，不猜没写过的港口。换城市必须丢掉旧三字码。
+    图上/原话写了 SZX-CGK 这类三字码对，必须保持英文，禁止改写成深圳/雅加达。
+    「从南京飞吉隆坡」仍按对照表收中文地名。换城市必须丢掉旧三字码。
     """
     merged = dict(facts or {})
     raw = text or ""
+    pair = _IATA_PAIR.search(raw)
+    if pair:
+        origin_code = pair.group(1).upper()
+        dest_code = pair.group(2).upper()
+        blocked = origin_code in _IATA_PAIR_BLOCK or dest_code in _IATA_PAIR_BLOCK
+        if origin_code != dest_code and not blocked:
+            merged["起运港"] = origin_code
+            merged["目的港"] = dest_code
+            merged.pop("originCode", None)
+            merged.pop("destinationCode", None)
+            return merged
     names = sorted(_AIRPORTS.keys(), key=len, reverse=True)
     for origin in names:
         for dest in names: