feat: add admin social login bindings

routes/pages.py

@@ -6,7 +6,7 @@ import json
 import os
 from typing import Optional
 
-from flask import Blueprint, current_app, redirect, render_template, session, url_for
+from flask import Blueprint, current_app, redirect, render_template, request, session, url_for
 from flask_login import current_user, login_required
 
 from routes.decorators import admin_required
@@ -192,3 +192,14 @@ def admin_page():
     except Exception as e:
         logger.error(f"[admin_spa] 加载manifest失败: {e}")
         return "后台页面加载失败，请稍后重试", 500
+
+
+@pages_bp.route("/yuyx/admin-social-bind-callback")
+@admin_required
+def admin_social_bind_callback_page():
+    """管理员快捷登录绑定回调页面（由后台 SPA 继续处理授权参数）。"""
+    query = request.query_string.decode("utf-8", "ignore")
+    target = "/yuyx/admin#/social-bind-callback"
+    if query:
+        target = f"{target}?{query}"
+    return redirect(target)