修复

models.py

@@ -66,12 +66,12 @@ class Service(db.Model):
         return f"{self.build_origin()}{p}"
 
     def build_open_url(self) -> str:
-        """导航 iframe 首次打开的地址（中控走 login?embed=1 以便写入会话）。"""
+        """导航 iframe 首次打开的地址（中控 / Gate 扫单走 login?embed=1 以便写入会话）。"""
         kind = (self.embed_kind or "").strip().lower()
         next_path = (self.path or "/monitor").strip() or "/monitor"
         if not next_path.startswith("/"):
             next_path = "/" + next_path
-        if kind == "hub":
+        if kind == "hub" or kind in ("gate_scout", "gate_exec", "scout", "exec"):
             from urllib.parse import urlencode
 
             q = urlencode({"embed": "1", "next": next_path})
@@ -80,3 +80,18 @@ class Service(db.Model):
 
     def is_hub_embed(self) -> bool:
         return (self.embed_kind or "").strip().lower() == "hub"
+
+    def is_gate_scout_embed(self) -> bool:
+        return (self.embed_kind or "").strip().lower() in (
+            "gate_scout",
+            "gate_exec",
+            "scout",
+            "exec",
+        )
+
+    def gate_scout_api_login_path(self) -> str:
+        """服务端代登录使用的 API 路径。"""
+        kind = (self.embed_kind or "").strip().lower()
+        if kind in ("gate_exec", "exec"):
+            return "/login"
+        return "/api/auth/login"