Implement configurable API providers from configs.yaml (#43)

* Implement configurable API providers from configs.yaml
* Refactor provider filtering to use WrapperHandler helper function
* Refactor API wrapper initialization to streamline configuration handling
* Refactor agent retrieval to use specific API tools directly

src/app/configs.py

@@ -57,6 +57,9 @@ class AppModel(BaseModel):
 class APIConfig(BaseModel):
     retry_attempts: int = 3
     retry_delay_seconds: int = 2
+    market_providers: list[str] = []
+    news_providers: list[str] = []
+    social_providers: list[str] = []
 
 class Strategy(BaseModel):
     name: str = "Conservative"