Tordor 39b6180fb8 Refactor lifespan with ChainBuilder for initialization tasks ...

- Replace manual initialization sequence with ChainBuilder pattern
- Add ChainBuilder class supporting both sync and async task chaining
- Rename test_init() to data_base_init() for clarity
- Fix string formatting in log messages (remove f-string where
  unnecessary)
- Fix escape sequence in department schema documentation
- Convert CheckinType to Enum for better type safety

2026-01-16 11:34:31 +08:00

5.5 KiB

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