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/app/(admin)/admin/competitions/[competitionId]/page.tsx

@@ -338,14 +338,14 @@ export default function CompetitionDetailPage() {
         {/* Rounds Tab */}
         <TabsContent value="rounds" className="space-y-4">
           <div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
-            <h2 className="text-lg font-semibold">Rounds ({competition.rounds.length})</h2>
+            <h2 className="text-lg font-semibold">Rounds ({competition.rounds.filter((r: any) => !r.specialAwardId).length})</h2>
             <Button size="sm" variant="outline" className="w-full sm:w-auto" onClick={() => setAddRoundOpen(true)}>
               <Plus className="h-4 w-4 mr-1" />
               Add Round
             </Button>
           </div>
 
-          {competition.rounds.length === 0 ? (
+          {competition.rounds.filter((r: any) => !r.specialAwardId).length === 0 ? (
             <Card className="border-dashed">
               <CardContent className="py-8 text-center text-sm text-muted-foreground">
                 No rounds configured. Add rounds to define the competition flow.
@@ -353,7 +353,7 @@ export default function CompetitionDetailPage() {
             </Card>
           ) : (
             <div className="grid gap-3 md:grid-cols-2 lg:grid-cols-3">
-              {competition.rounds.map((round: any, index: number) => {
+              {competition.rounds.filter((r: any) => !r.specialAwardId).map((round: any, index: number) => {
                 const projectCount = round._count?.projectRoundStates ?? 0
                 const assignmentCount = round._count?.assignments ?? 0
                 const statusLabel = round.status.replace('ROUND_', '')