fix: add pydantic_settings to requirements

python_core/config.py

@@ -8,7 +8,12 @@ Central configuration management for the MixVideo V2 application.
 import os
 from pathlib import Path
 from typing import Dict, Any
-from pydantic import BaseSettings, Field
+try:
+    from pydantic_settings import BaseSettings
+    from pydantic import Field
+except ImportError:
+    # Fallback for older pydantic versions
+    from pydantic import BaseSettings, Field
 
 
 class Settings(BaseSettings):

python_core/requirements.txt

@@ -65,3 +65,5 @@ loguru>=0.7.0
 # Configuration
 pydantic>=2.0.0
 pyyaml>=6.0
+
+pydantic_settings