fix: ranking dashboard respects threshold advancement mode

- Header shows "Score >= X advance" instead of "Top N" in threshold mode
- Cutoff line placed after last project meeting threshold, not at fixed count
- Projects advancing determined by avg score vs threshold, not position

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

src/components/admin/round/ranking-dashboard.tsx

@@ -362,6 +362,8 @@ export function RankingDashboard({ competitionId: _competitionId, roundId }: Ran
       const config = roundData.configJson as Record<string, unknown>
       const advConfig = config.advancementConfig as Record<string, unknown> | undefined
       return {
+        advanceMode: (config.advanceMode as string) ?? 'count',
+        advanceScoreThreshold: (config.advanceScoreThreshold as number) ?? undefined,
         startupAdvanceCount: (advConfig?.startupCount ?? config.startupAdvanceCount ?? 0) as number,
         conceptAdvanceCount: (advConfig?.conceptCount ?? config.conceptAdvanceCount ?? 0) as number,
       }
@@ -785,11 +787,15 @@ export function RankingDashboard({ competitionId: _competitionId, roundId }: Ran
             <CardHeader>
               <CardTitle className="text-sm font-semibold uppercase tracking-wide text-muted-foreground">
                 {categoryLabels[category]}
-                {evalConfig && (category === 'STARTUP' ? evalConfig.startupAdvanceCount : evalConfig.conceptAdvanceCount) > 0 && (
+                {evalConfig && evalConfig.advanceMode === 'threshold' && evalConfig.advanceScoreThreshold != null ? (
+                  <span className="ml-2 text-xs font-normal normal-case">
+                    (Score &ge; {evalConfig.advanceScoreThreshold} advance)
+                  </span>
+                ) : evalConfig && (category === 'STARTUP' ? evalConfig.startupAdvanceCount : evalConfig.conceptAdvanceCount) > 0 ? (
                   <span className="ml-2 text-xs font-normal normal-case">
                     (Top {category === 'STARTUP' ? evalConfig.startupAdvanceCount : evalConfig.conceptAdvanceCount} advance)
                   </span>
-                )}
+                ) : null}
               </CardTitle>
             </CardHeader>
             <CardContent>
@@ -810,11 +816,24 @@ export function RankingDashboard({ competitionId: _competitionId, roundId }: Ran
                     <AnimatePresence initial={false}>
                       <div className="space-y-2">
                         {localOrder[category].map((projectId, index) => {
-                          const advanceCount = category === 'STARTUP'
+                          const isThresholdMode = evalConfig?.advanceMode === 'threshold' && evalConfig.advanceScoreThreshold != null
+                          const advanceCount = isThresholdMode ? 0 : (category === 'STARTUP'
                             ? (evalConfig?.startupAdvanceCount ?? 0)
-                            : (evalConfig?.conceptAdvanceCount ?? 0)
+                            : (evalConfig?.conceptAdvanceCount ?? 0))
-                          const isAdvancing = advanceCount > 0 && index < advanceCount
+                          // In threshold mode, check if this project's avg score meets the threshold
-                          const isCutoffRow = advanceCount > 0 && index === advanceCount - 1
+                          const entry = rankingMap.get(projectId)
+                          const projectAvg = entry?.avgGlobalScore ?? 0
+                          const threshold = evalConfig?.advanceScoreThreshold ?? 0
+                          const isAdvancing = isThresholdMode
+                            ? projectAvg >= threshold
+                            : (advanceCount > 0 && index < advanceCount)
+                          // Show cutoff line: in threshold mode, after last project above threshold
+                          const nextProjectId = localOrder[category][index + 1]
+                          const nextEntry = nextProjectId ? rankingMap.get(nextProjectId) : null
+                          const nextAvg = nextEntry?.avgGlobalScore ?? 0
+                          const isCutoffRow = isThresholdMode
+                            ? (projectAvg >= threshold && nextAvg < threshold)
+                            : (advanceCount > 0 && index === advanceCount - 1)
 
                           return (
                             <React.Fragment key={projectId}>
@@ -839,7 +858,7 @@ export function RankingDashboard({ competitionId: _competitionId, roundId }: Ran
                                 <div className="flex items-center gap-2 py-1">
                                   <div className="flex-1 border-t-2 border-dashed border-emerald-400/60" />
                                   <span className="text-xs font-medium text-emerald-600 dark:text-emerald-400 whitespace-nowrap">
-                                    Advancement cutoff — Top {advanceCount}
+                                    Advancement cutoff — {isThresholdMode ? `Score ≥ ${threshold}` : `Top ${advanceCount}`}
                                   </span>
                                   <div className="flex-1 border-t-2 border-dashed border-emerald-400/60" />
                                 </div>