Move neutral join/leave handlers into GmRelay.Shared so Telegram and Discord share capacity, waitlist, duplicate-click, and schedule-update behavior.
Add Discord component routing for join_session and leave_session buttons with deferred ephemeral replies and serialized schedule message updates.
Bump version to 2.5.0 and update Discord docs.
Refs #29
- Add db-backup service to compose.yaml (postgres:17-alpine + cron)
- Add pgbackups volume for backup storage
- Add scripts/restore.sh for manual restore from latest backup
- Update .env.example with BACKUP_RETENTION_DAYS and BACKUP_VOLUME_NAME
- Document backup/restore flow in README
Bump version -> 1.15.0
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Enable NuGet lock files so Trivy has dependency targets, fail PR checks when no lock files or language-specific files are detected, and let the installer fetch the latest Trivy release.