* Feat: add support to AWS bedrock
* Feat: add token counter
Feat: high, low complexity model based on task
* feat: add model complexity selection for batch processing tasks
Enhance: knowledge graphs with implicit relationships
- Added a new API route for deleting episodes, including related statements and entities.
- Introduced error handling for unauthorized access and non-existent episodes.
- Enhanced the KnowledgeGraphService with methods for resolving entities and managing relationships during deletions.
- Updated entity and episode models to support new deletion logic and ensure data integrity.
