fix: restore runtime config default profile export

Author: Pigbibi

runtime_config_support.py

@@ -5,11 +5,13 @@
 from typing import Callable
 
 from strategy_registry import (
+    DEFAULT_STRATEGY_PROFILE as PLATFORM_DEFAULT_STRATEGY_PROFILE,
     LONGBRIDGE_PLATFORM,
     resolve_strategy_definition,
 )
 
 DEFAULT_ACCOUNT_REGION = "DEFAULT"
+DEFAULT_STRATEGY_PROFILE = PLATFORM_DEFAULT_STRATEGY_PROFILE
 
 
 @dataclass(frozen=True)