Usage stats service:
- Change get_request_logs() from limit/offset to page/page_size pagination
- Return PaginatedLogs with total count, page, and page_size
- Add appType and providerName filters with LIKE search
- Add is_streaming, first_token_ms, duration_ms to RequestLogDetail
- Join with providers table for provider name lookup
Commands:
- Update get_request_logs command signature for pagination params
Module exports:
- Export PaginatedLogs struct