- Introduced `within_days` and `within_weeks` operators for filtering items based on their timestamps, allowing for more dynamic date range conditions.
- Updated documentation in `FEEDS.md` to include examples and usage of the new operators.
- Refactored filter evaluation logic in `FeedManager` and `BotDataViewer` to utilize a shared function for condition checking, improving code maintainability.
- Added unit tests to validate the new date-based filtering functionality.
- Added assertions to ensure call arguments are not None in multiple command tests.
- Introduced a new test for the CmdCommand class to verify that long command lists are truncated correctly with a '(N more)' suffix, improving command list readability.
