Add per-juror notify button in Jury Progress section

Adds a mail icon on hover for each juror row in the Jury Progress
table, allowing admins to send assignment notifications to individual
jurors instead of only bulk-notifying all at once.

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

src/app/(admin)/admin/rounds/[roundId]/page.tsx

@@ -2363,11 +2363,18 @@ function JuryProgressTable({ roundId }: { roundId: string }) {
     { refetchInterval: 15_000 },
   )
 
+  const notifyMutation = trpc.assignment.notifySingleJurorOfAssignments.useMutation({
+    onSuccess: (data) => {
+      toast.success(`Notified juror of ${data.projectCount} assignment(s)`)
+    },
+    onError: (err) => toast.error(err.message),
+  })
+
   return (
     <Card>
       <CardHeader>
         <CardTitle className="text-base">Jury Progress</CardTitle>
-        <CardDescription>Evaluation completion per juror</CardDescription>
+        <CardDescription>Evaluation completion per juror. Click the mail icon to notify an individual juror.</CardDescription>
       </CardHeader>
       <CardContent>
         {isLoading ? (
@@ -2391,12 +2398,34 @@ function JuryProgressTable({ roundId }: { roundId: string }) {
                     : 'bg-gray-300'
 
               return (
-                <div key={juror.id} className="space-y-1 hover:bg-muted/20 rounded px-1 py-0.5 -mx-1 transition-colors">
+                <div key={juror.id} className="space-y-1 hover:bg-muted/20 rounded px-1 py-0.5 -mx-1 transition-colors group">
-                  <div className="flex justify-between text-xs">
+                  <div className="flex justify-between items-center text-xs">
-                    <span className="font-medium truncate max-w-[60%]">{juror.name}</span>
+                    <span className="font-medium truncate max-w-[50%]">{juror.name}</span>
-                    <span className="text-muted-foreground shrink-0 tabular-nums">
+                    <div className="flex items-center gap-2 shrink-0">
+                      <span className="text-muted-foreground tabular-nums">
                         {juror.completed}/{juror.assigned} ({pct}%)
                       </span>
+                      <TooltipProvider delayDuration={200}>
+                        <Tooltip>
+                          <TooltipTrigger asChild>
+                            <Button
+                              variant="ghost"
+                              size="icon"
+                              className="h-5 w-5 opacity-0 group-hover:opacity-100 transition-opacity"
+                              disabled={notifyMutation.isPending}
+                              onClick={() => notifyMutation.mutate({ roundId, userId: juror.id })}
+                            >
+                              {notifyMutation.isPending && notifyMutation.variables?.userId === juror.id ? (
+                                <Loader2 className="h-3 w-3 animate-spin" />
+                              ) : (
+                                <Mail className="h-3 w-3" />
+                              )}
+                            </Button>
+                          </TooltipTrigger>
+                          <TooltipContent side="left"><p>Notify this juror of their assignments</p></TooltipContent>
+                        </Tooltip>
+                      </TooltipProvider>
+                    </div>
                   </div>
                   <div className="h-2 bg-muted rounded-full overflow-hidden">
                     <div

src/server/routers/assignment.ts

@@ -1466,4 +1466,58 @@ export const assignmentRouter = router({
 
       return { sent: totalSent, jurorCount: Object.keys(userCounts).length }
     }),
+
+  notifySingleJurorOfAssignments: adminProcedure
+    .input(z.object({ roundId: z.string(), userId: z.string() }))
+    .mutation(async ({ ctx, input }) => {
+      const round = await ctx.prisma.round.findUniqueOrThrow({
+        where: { id: input.roundId },
+        select: { name: true, windowCloseAt: true },
+      })
+
+      const assignments = await ctx.prisma.assignment.findMany({
+        where: { roundId: input.roundId, userId: input.userId },
+        select: { id: true },
+      })
+
+      if (assignments.length === 0) {
+        throw new TRPCError({ code: 'NOT_FOUND', message: 'No assignments found for this juror in this round' })
+      }
+
+      const projectCount = assignments.length
+      const deadline = round.windowCloseAt
+        ? new Date(round.windowCloseAt).toLocaleDateString('en-US', {
+            weekday: 'long',
+            year: 'numeric',
+            month: 'long',
+            day: 'numeric',
+          })
+        : undefined
+
+      await createBulkNotifications({
+        userIds: [input.userId],
+        type: NotificationTypes.BATCH_ASSIGNED,
+        title: `${projectCount} Projects Assigned`,
+        message: `You have been assigned ${projectCount} project${projectCount > 1 ? 's' : ''} to evaluate for ${round.name || 'this round'}.`,
+        linkUrl: `/jury/competitions`,
+        linkLabel: 'View Assignments',
+        metadata: { projectCount, roundName: round.name, deadline },
+      })
+
+      await logAudit({
+        prisma: ctx.prisma,
+        userId: ctx.user.id,
+        action: 'NOTIFY_SINGLE_JUROR_OF_ASSIGNMENTS',
+        entityType: 'Round',
+        entityId: input.roundId,
+        detailsJson: {
+          targetUserId: input.userId,
+          assignmentCount: projectCount,
+        },
+        ipAddress: ctx.ip,
+        userAgent: ctx.userAgent,
+      })
+
+      return { sent: 1, projectCount }
+    }),
 })