Use named logger instead of root logger in config.py

Co-authored-by: Neiland85 <164719485+Neiland85@users.noreply.github.com>

Author: Copilot

app/config.py

@@ -5,6 +5,8 @@
 
 from pydantic_settings import BaseSettings
 
+logger = logging.getLogger(__name__)
+
 
 class Settings(BaseSettings):
     """Configuración de la aplicación optimizada para Railway"""
@@ -94,7 +96,7 @@ def __init__(self, **kwargs: object) -> None:
         # En modo test o CI, asegurar que tenemos una API key
         if is_testing and not self.api_key:
             self.api_key = "test_secure_key_for_testing_only_not_production"
-            logging.info(
+            logger.info(
                 "🔧 Auto-configured API_KEY for testing environment (CI=%s, GITHUB_ACTIONS=%s, ENVIRONMENT=%s)",
                 os.getenv("CI"),
                 os.getenv("GITHUB_ACTIONS"),