feat条件单候选展示交易户资金，并支持打开实例划转。

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

lib/sso_lib.py

@@ -24,11 +24,18 @@ def build_embed_open_url(
     bridge_token: str,
     embed_path: str = "/embed",
     ttl_sec: int = 120,
+    tab: str | None = None,
 ) -> str:
     root = (base_url or "").rstrip("/")
     path = embed_path or "/embed"
     if not path.startswith("/"):
         path = "/" + path
+    tab_s = "".join(c for c in str(tab or "").strip().lower() if c.isalnum() or c == "_")[
+        :32
+    ]
+    if tab_s:
+        joiner = "&" if "?" in path else "?"
+        path = f"{path}{joiner}tab={tab_s}"
     token = make_sso_token(bridge_token, ttl_sec=ttl_sec)
     q = urlencode({"token": token, "next": path})
     return f"{root}/hub_sso?{q}"