refactor: unify three-exchange instance UI with shared templates

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

lib/instance/instance_embed_lib.py

@@ -44,7 +44,16 @@ def order_rule_tips_template(exchange_key: str) -> str:
 
 
 def include_transfer_block(exchange_key: str) -> bool:
-    return (exchange_key or "").strip().lower() == "gate"
+    """三所 standalone / embed 壳均在顶栏展示划转区块。"""
+    return (exchange_key or "").strip().lower() in ORDER_RULE_TIPS_BY_EXCHANGE
+
+
+def ui_open_guard_enabled(exchange_key: str) -> bool:
+    return (exchange_key or "").strip().lower() == "okx"
+
+
+def ui_orphan_recovery_enabled(exchange_key: str) -> bool:
+    return (exchange_key or "").strip().lower() == "binance"
 
 
 def path_to_embed_tab(path: str) -> str | None:
@@ -144,4 +153,6 @@ def embed_context_extras(exchange_key: str) -> dict:
     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),
     }