fix: restore runtime config default profile export

Author: Pigbibi

runtime_config_support.py

@@ -6,11 +6,13 @@
 from typing import Any, Callable
 
 from strategy_registry import (
+    DEFAULT_STRATEGY_PROFILE as PLATFORM_DEFAULT_STRATEGY_PROFILE,
     IBKR_PLATFORM,
     resolve_strategy_definition,
 )
 
 DEFAULT_ACCOUNT_GROUP = "default"
+DEFAULT_STRATEGY_PROFILE = PLATFORM_DEFAULT_STRATEGY_PROFILE
 
 
 @dataclass(frozen=True)