Special awards: Rounds tab UI, auto-filter threshold, remove auto-tag rules

- Add Rounds tab to award detail page with create/list/delete functionality
- Add "Entry point" badge on first award round (confirmShortlist routes here)
- Fix round detail back-link to navigate to parent award when specialAwardId set
- Filter award rounds out of competition round list
- Add specialAwardId to competition getById round select
- Warn on confirmShortlist when no award rounds exist (SEPARATE_POOL mode)
- Remove auto-tag rules from award config, edit page, router, and AI service
- Fix competitionId not passed when creating awards from competition context
- Add AUTO_FILTER quality threshold to AI filtering dashboard

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/server/routers/competition.ts

@@ -74,6 +74,7 @@ export const competitionRouter = router({
               sortOrder: true,
               windowOpenAt: true,
               windowCloseAt: true,
+              specialAwardId: true,
               juryGroup: {
                 select: { id: true, name: true },
               },