- 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