- Extend saveMatchingResults(eventId, suggestions, runId) and set originRunId
- Scheduler/Admin run-now: always pass runId
- Admin API: GET /api/admin/events/:slug/matching-runs/:runId/suggestions
- Prisma: add compound index on (origin_run_id, status)
- Frontend: add getRunSuggestions, expand row in MatchingRunsSection with 'Pairs created in this run' wording
- Add in-process scheduler service triggered by ENABLE_SCHEDULER
- Record runs in new matching_runs table; throttle per-event and log stats
- Add admin endpoints: POST /api/admin/events/:slug/run-now and GET /api/admin/events/:slug/matching-runs
- Wire scheduler start/stop in server and add ENV flags + compose defaults
- Prisma schema: add MatchingRun model and relation
- Update env examples for scheduler configuration
