修复币本位顶栏改动导致 Gate/Binance 顶栏 UndefinedError 500

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

lib/instance/instance_embed_lib.py

@@ -220,10 +220,19 @@ def pwa_app_name(exchange_key: str) -> str:
 
 
 def embed_context_extras(exchange_key: str) -> dict:
+    # 顶栏共享模板调用 trading_account_label / options_funding_label;
+    # 须注入三所,否则 Gate/Binance 渲染会 UndefinedError → HTTP 500.
+    from lib.instance.instance_embed_context_lib import (
+        options_funding_label,
+        trading_account_label,
+    )
+
     return {
         "order_rule_tips_tpl": order_rule_tips_template(exchange_key),
         "include_transfer_block": include_transfer_block(exchange_key),
         "ui_open_guard_enabled": ui_open_guard_enabled(exchange_key),
         "ui_orphan_recovery_enabled": ui_orphan_recovery_enabled(exchange_key),
         "pwa_app_name": pwa_app_name(exchange_key),
+        "options_funding_label": options_funding_label,
+        "trading_account_label": trading_account_label,
     }