dmy 9257c78e72 feat(timezone): implement UTC and Beijing time conversion utilities and update bid handling ...

- Add functions to convert between UTC and Beijing time in timezone utility.
- Update BidsService to return latest update and publish dates in Beijing time.
- Modify BidCrawlerService to store publish dates in UTC format.
- Change database timezone configuration to UTC for consistency.

2026-01-16 00:00:00 +08:00

..

database.module.ts

feat(timezone): implement UTC and Beijing time conversion utilities and update bid handling

2026-01-16 00:00:00 +08:00