* fix(auto-memory): preserve message timestamps
* fix(auto-memory): infer daily date from messages
* feat(file_io): add strict date parsing and improve daily date handling
- Add new parse_daily_date function for strict YYYY-MM-DD validation
- Replace extract_daily_date with parse_daily_date for explicit date validation
- Change _messages_day to use max date instead of min for historical imports
- Reorder imports to maintain consistent module ordering
- Move session message saving after date validation in auto_memory
- Add comprehensive tests for invalid date rejection before saving
- Add tests for strict YYYY-MM-DD date format validation
- Update test names to reflect latest date behavior
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Co-authored-by: Ziyang Guo <121015044+RunMarshal@users.noreply.github.com>
Co-authored-by: jinli.yl <jinli.yl@alibaba-inc.com>
* docs: rename vault_dir to workspace_dir in documentation and examples
* refactor(extract): format long method call across multiple lines
* refactor(extract): format system prompt parameters for better readability
