feat条件单页本页划入交易户，避免跳转丢失新建表单。

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

lib/bridge_client_lib.py

@@ -325,6 +325,61 @@ def pull_all_stats(window: str = "7d") -> list[dict[str, Any]]:
     return results
 
 
+def post_instance_transfer(
+    inst: dict[str, Any],
+    *,
+    amount: float,
+    from_acct: str = "funding",
+    to_acct: str = "trading",
+    ccy: str = "USDT",
+) -> dict[str, Any]:
+    """中控指令:实例账户内划转."""
+    base = (inst.get("base_url") or "").rstrip("/")
+    token = (inst.get("bridge_token") or "").strip()
+    out: dict[str, Any] = {
+        "ok": False,
+        "msg": "",
+        "instance_id": inst.get("id"),
+        "instance_name": inst.get("name"),
+    }
+    if not base or not token:
+        out["msg"] = "缺少 URL 或 Token"
+        return out
+    url = f"{base}/api/hub/options/transfer"
+    try:
+        r = requests.post(
+            url,
+            headers=_headers(token),
+            json={
+                "amount": float(amount),
+                "from": from_acct,
+                "to": to_acct,
+                "ccy": ccy,
+            },
+            timeout=max(_timeout(), 30.0),
+        )
+        data, err = _response_json(r)
+        if data is None:
+            out["msg"] = err or f"HTTP {r.status_code}"
+            return out
+        if not isinstance(data, dict):
+            out["msg"] = f"HTTP {r.status_code}"
+            return out
+        out.update(data)
+        out["instance_id"] = inst.get("id")
+        out["instance_name"] = inst.get("name")
+        if r.status_code >= 400 and not out.get("ok"):
+            out["ok"] = False
+            out.setdefault("msg", err or f"HTTP {r.status_code}")
+        return out
+    except requests.Timeout:
+        out["msg"] = "划转超时"
+        return out
+    except Exception as e:
+        out["msg"] = str(e) or "划转失败"
+        return out
+
+
 def fetch_one_pnl_curve(inst: dict[str, Any], *, range_key: str = "7d") -> dict[str, Any]:
     """拉取单机累计已实现盈亏曲线."""
     base = (inst.get("base_url") or "").rstrip("/")