Lukas
ac2028e1c2
Consolidate the two divergent implementations of _since_unix from ban_service.py and history_service.py into a single shared utility function in time_utils.py. Changes: - Move _since_unix to app/utils/time_utils.py with consistent time.time() approach - Move TIME_RANGE_SLACK_SECONDS constant to app/utils/constants.py - Update ban_service.py to import since_unix from time_utils - Update history_service.py to import since_unix from time_utils - Both services now use the same window boundary calculation with 60-second slack - Add comprehensive tests for the shared since_unix function - Document timestamp handling rationale in Backend-Development.md This ensures dashboard and history queries return consistent row counts for the same time range by using the same timestamp calculation and slack window across all services. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>