Consolidated round management, AI filtering enhancements, MinIO storage restructure

- Fix STAGE_ACTIVE bug in assignment router (now ROUND_ACTIVE)
- Add evaluation form CRUD (getForm + upsertForm endpoints)
- Add advanceProjects mutation for manual project advancement
- Rewrite round detail page: 7-tab consolidated interface
- Add filtering rules UI with full CRUD (field-based, document check, AI screening)
- Add pageCount field to ProjectFile for document page limit filtering
- Enhance AI filtering: per-file page limits, category/region-aware guidelines
- Restructure MinIO paths: {ProjectName}/{RoundName}/{timestamp}-{file}
- Update dashboard and pool page links from /admin/competitions to /admin/rounds

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

src/server/routers/assignment.ts

@@ -241,7 +241,7 @@ export const assignmentRouter = router({
     .query(async ({ ctx, input }) => {
       const where: Record<string, unknown> = {
         userId: ctx.user.id,
-        round: { status: 'STAGE_ACTIVE' },
+        round: { status: 'ROUND_ACTIVE' },
       }
 
       if (input.roundId) {