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MOPC-Portal/.planning/phases/02-ranking-dashboard-ui/02-03-SUMMARY.md
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docs(02-03): complete Advance Top N plan — SUMMARY, STATE, ROADMAP updated
- Phase 2 complete: all 3 plans done (DASH-01 through DASH-07 fulfilled)
- REQUIREMENTS.md: marked DASH-05, DASH-06, DASH-07 complete
- ROADMAP.md: Phase 2 updated to Complete (3/3 plans)
- STATE.md: advanced to Phase 2 complete, added 3 new decisions
2026-02-27 09:56:07 +01:00

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---
phase: 02-ranking-dashboard-ui
plan: 03
subsystem: ui
tags: [react, trpc, dialog, shadcn, ranking, advance-projects, batch-reject]
# Dependency graph
requires:
- phase: 02-02
provides: Full RankingDashboard with drag-and-drop, AI vs override badges, Sheet detail panel, saveReorderMutation
provides:
- Advance Top N dialog wired to trpc.round.advanceProjects with per-category N inputs
- Batch-reject checkbox in advance dialog wired to trpc.roundEngine.batchTransition
- DASH-07 disabled state: Advance button disabled while saveReorderMutation.isPending
affects: []
# Tech tracking
tech-stack:
added: []
patterns:
- "pendingReorderCount useRef pattern: onMutate increments, onSettled decrements — provides belt-and-suspenders for rapid drag scenarios alongside isPending reactive signal"
- "Parallel mutation from single handler: advanceMutation.mutate + batchRejectMutation.mutate fired in same handleAdvance — fire-and-forget both, each handles own onSuccess/onError"
key-files:
created: []
modified:
- src/components/admin/round/ranking-dashboard.tsx
key-decisions:
- "Advance button disabled via saveReorderMutation.isPending (reactive) not pendingReorderCount.current (ref, non-reactive) — ref used for belt-and-suspenders coverage, boolean state for actual UI"
- "topNStartup + topNConceptual === 0 disables the Advance button inside the dialog — prevents no-op advance calls"
- "batchRejectMutation fired conditionally (only if includeReject and rejectIds.length > 0) — avoids empty batch call"
patterns-established:
- "Per-category N inputs with min/max clamping via Math.max/Math.min on parseInt — prevents out-of-range values"
- "Preview section in dialog: live count of advancing/rejecting projects — feedback before confirmation"
requirements-completed: [DASH-05, DASH-06, DASH-07]
# Metrics
duration: 5min
completed: 2026-02-27
---
# Phase 2 Plan 03: Advance Top N Dialog + Batch-Reject Summary
**Advance Top N dialog with per-category numeric inputs, optional batch-reject checkbox, and disabled state tied to pending reorder mutations — completing the full advancement workflow for the RankingDashboard**
## Performance
- **Duration:** ~5 min
- **Started:** 2026-02-27T08:51:01Z
- **Completed:** 2026-02-27T08:56:00Z
- **Tasks:** 1
- **Files modified:** 1
## Accomplishments
- DASH-05: Admin can click "Advance Top N" button to open a dialog, enter a number N per category, and advance the top N projects from each category to the next round
- DASH-06: Admin can enable "Also batch-reject non-advanced projects" checkbox in the dialog — fires batchTransition for non-advanced projects; toasts use `.succeeded.length` per MEMORY.md
- DASH-07: Advance button is disabled while `saveReorderMutation.isPending` is true (reorder in flight) and when no snapshot exists
- pendingReorderCount ref added to saveReorderMutation (onMutate++, onSettled--) for belt-and-suspenders reorder tracking
- Full dialog: per-category N inputs with range clamping, live preview of advance/reject counts, cancel/confirm buttons
- Both mutations invalidate `roundEngine.getProjectStates` on success to refresh downstream state
- TypeScript strict mode: 0 errors; build: PASSED
## Task Commits
| Task | Name | Commit | Files |
|------|------|--------|-------|
| 1 | Add Advance Top N dialog + batch-reject to RankingDashboard | a6f3945 | src/components/admin/round/ranking-dashboard.tsx |
## Files Created/Modified
- `src/components/admin/round/ranking-dashboard.tsx` — Added Dialog, Input, Label imports; pendingReorderCount ref; advanceMutation; batchRejectMutation; handleAdvance; Advance Top N button; Dialog JSX (681 lines total, +197 insertions)
## Decisions Made
- **Advance button disabled state uses `saveReorderMutation.isPending`** (reactive) as the primary signal, not `pendingReorderCount.current` (useRef is not reactive — React won't re-render on ref mutation). The ref still provides belt-and-suspenders for rapid multi-drag scenarios but is not the gating signal.
- **topNStartup + topNConceptual === 0** disables the confirm button inside the dialog — prevents a no-op advance call when both inputs are zero.
- **batchRejectMutation fires conditionally** — only when `includeReject` is true AND `rejectIds.length > 0`. Avoids sending an empty projectIds array to the mutation.
## Deviations from Plan
None — plan executed exactly as written.
## Issues Encountered
None.
## User Setup Required
None - no external service configuration required.
## Next Phase Readiness
- All 7 DASH requirements (DASH-01 through DASH-07) completed across plans 01-03
- Phase 2 (Ranking Dashboard UI) is fully complete
- Phase 3 (Notification Templates) or Phase 4 (Juror Criterion Progress) can begin next
- Full build and typecheck pass with 0 errors
---
*Phase: 02-ranking-dashboard-ui*
*Completed: 2026-02-27*