zenfun 5b2b176a55 feat(stats): add daily statistics aggregation job and model ...

- Create `DailyStat` model for immutable daily metrics including
  request counts, tokens, latency, and top models.
- Implement `DailyStatsJob` to aggregate `log_records` from the previous
  day, running daily at 00:05 UTC.
- Register database migrations and schedule the job in the server.
- Add `last7d` and `last30d` period support to stats handler.

2026-01-02 22:20:37 +08:00

..

server

feat(stats): add daily statistics aggregation job and model

2026-01-02 22:20:37 +08:00