- Added `config.py` for centralized configuration management including Sync, API, Advoware, EspoCRM, Redis, Logging, Calendar Sync, and Feature Flags.
- Created `exceptions.py` with a hierarchy of custom exceptions for integration errors, API errors, sync errors, and Redis errors.
- Developed `logging_utils.py` for a unified logging wrapper supporting structured logging and performance tracking.
- Defined Pydantic models in `models.py` for data validation of Advoware and EspoCRM entities, including sync operation models.
- Introduced `redis_client.py` for a centralized Redis client factory with connection pooling, automatic reconnection, and health checks.
- Implemented `test_thumbnail_generation.py` to validate the complete flow of document thumbnail generation in EspoCRM, including document creation, file upload, webhook triggering, and preview verification.
- Created `test_xai_collections_api.py` to test critical operations of the xAI Collections API, covering file uploads, collection CRUD operations, document management, and response validation.
- Both scripts include detailed logging for success and error states, ensuring robust testing and easier debugging.
