Enhance OpenAI Test Script with Advanced Model Selection and Error Handling

- Added comprehensive model configuration and selection mechanism
- Implemented dynamic model handling for OpenAI and DeepSeek providers
- Enhanced error handling and retry logic for API interactions
- Expanded system analysis with more detailed XML-based response parsing
- Updated configuration loading with improved model selection and validation
- Added colored logging and more informative console output
- Integrated new test suite for API endpoints

jest.config.cjs

@@ -28,7 +28,8 @@ module.exports = {
         '**/__tests__/helpers.test.ts',
         '**/__tests__/schemas/devices.test.ts',
         '**/__tests__/context/index.test.ts',
-        '**/__tests__/hass/index.test.ts'
+        '**/__tests__/hass/index.test.ts',
+        '**/__tests__/api/index.test.ts'
     ],
     globals: {
         'ts-jest': {