- Modify LLM-related ops to use async_execute instead of execute
- Replace chat method with achat for asynchronous LLM calls
- Update method signatures and return types to support async operations
- This change affects multiple files across the project
- Rename and restructure memory loading operations
- Enhance time extraction and formatting capabilities- Implement more robust memory filtering and ranking logic
- Refactor observation extraction methods for better reusability
- Improve logging and error handling in memory operations
- Rename `worker` to `op` for operation classes
- Remove `memoryscope` package
- Create `constants` package with common constants
- Update module imports and class names accordingly
