Fix: Add ALLOWED_ORIGINS to settings with cors_origins property

backend/app/core/config.py

@@ -16,12 +16,21 @@ class Settings(BaseSettings):
     # Environment
     ENVIRONMENT: str = "development"
     
+    # CORS - Orígenes permitidos separados por coma
+    ALLOWED_ORIGINS: str = "http://localhost:3000,http://localhost:5173"
+    
     # Uploads
     UPLOAD_DIR: str = "uploads"
     MAX_FILE_SIZE: int = 10 * 1024 * 1024  # 10MB
     
+    @property
+    def cors_origins(self) -> list:
+        """Convierte el string de origins separado por comas en una lista"""
+        return [origin.strip() for origin in self.ALLOWED_ORIGINS.split(",") if origin.strip()]
+    
     class Config:
         env_file = ".env"
         case_sensitive = True
+        extra = "ignore"  # Permite variables extras sin error
 
 settings = Settings()