Jury inline doc preview, download fix, category tags, admin eval reset

- Replace MultiWindowDocViewer with FileViewer for inline previews (PDF/image/video/Office)
- Fix cross-origin download using fetch+blob instead of <a download>
- Show Startup/Business Concept badge on jury project detail + evaluate pages
- Add admin resetEvaluation procedure with audit logging
- Add dropdown menu on admin assignment rows with Reset Evaluation + Delete
- Make file action buttons responsive on mobile (separate row below file info)

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

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

@@ -81,6 +81,7 @@ import {
   Check,
   ChevronsUpDown,
   Search,
+  MoreHorizontal,
 } from 'lucide-react'
 import {
   Command,
@@ -2331,6 +2332,14 @@ function IndividualAssignmentsTable({
     onError: (err) => toast.error(err.message),
   })
 
+  const resetEvalMutation = trpc.evaluation.resetEvaluation.useMutation({
+    onSuccess: () => {
+      utils.assignment.listByStage.invalidate({ roundId })
+      toast.success('Evaluation reset — juror can now start over')
+    },
+    onError: (err) => toast.error(err.message),
+  })
+
   const createMutation = trpc.assignment.create.useMutation({
     onSuccess: () => {
       utils.assignment.listByStage.invalidate({ roundId })
@@ -2457,17 +2466,17 @@ function IndividualAssignmentsTable({
           </p>
         ) : (
           <div className="space-y-1 max-h-[500px] overflow-y-auto">
-            <div className="grid grid-cols-[1fr_1fr_100px_60px] gap-2 text-xs text-muted-foreground font-medium px-3 py-2 sticky top-0 bg-background border-b">
+            <div className="grid grid-cols-[1fr_1fr_100px_70px] gap-2 text-xs text-muted-foreground font-medium px-3 py-2 sticky top-0 bg-background border-b">
               <span>Juror</span>
               <span>Project</span>
               <span>Status</span>
-              <span />
+              <span>Actions</span>
             </div>
             {assignments.map((a: any, idx: number) => (
               <div
                 key={a.id}
                 className={cn(
-                  'grid grid-cols-[1fr_1fr_100px_60px] gap-2 items-center px-3 py-2 rounded-md text-sm transition-colors',
+                  'grid grid-cols-[1fr_1fr_100px_70px] gap-2 items-center px-3 py-2 rounded-md text-sm transition-colors',
                   idx % 2 === 1 ? 'bg-muted/20' : 'hover:bg-muted/20',
                 )}
               >
@@ -2479,22 +2488,50 @@ function IndividualAssignmentsTable({
                     'text-[10px] justify-center',
                     a.evaluation?.status === 'SUBMITTED'
                       ? 'bg-emerald-50 text-emerald-700 border-emerald-200'
-                      : a.evaluation?.status === 'IN_PROGRESS'
+                      : a.evaluation?.status === 'DRAFT'
                         ? 'bg-blue-50 text-blue-700 border-blue-200'
                         : 'bg-gray-50 text-gray-600 border-gray-200',
                   )}
                 >
                   {a.evaluation?.status || 'PENDING'}
                 </Badge>
-                <Button
-                  variant="ghost"
-                  size="icon"
-                  className="h-7 w-7"
-                  onClick={() => deleteMutation.mutate({ id: a.id })}
-                  disabled={deleteMutation.isPending}
-                >
-                  <Trash2 className="h-3.5 w-3.5 text-muted-foreground hover:text-red-500" />
-                </Button>
+                <DropdownMenu>
+                  <DropdownMenuTrigger asChild>
+                    <Button variant="ghost" size="icon" className="h-7 w-7">
+                      <MoreHorizontal className="h-3.5 w-3.5 text-muted-foreground" />
+                    </Button>
+                  </DropdownMenuTrigger>
+                  <DropdownMenuContent align="end">
+                    {a.evaluation && (
+                      <>
+                        <DropdownMenuItem
+                          onClick={() => {
+                            if (confirm(`Reset evaluation by ${a.user?.name || a.user?.email} for "${a.project?.title}"? This will erase all scores and feedback so they can start over.`)) {
+                              resetEvalMutation.mutate({ assignmentId: a.id })
+                            }
+                          }}
+                          disabled={resetEvalMutation.isPending}
+                        >
+                          <RotateCcw className="h-3.5 w-3.5 mr-2" />
+                          Reset Evaluation
+                        </DropdownMenuItem>
+                        <DropdownMenuSeparator />
+                      </>
+                    )}
+                    <DropdownMenuItem
+                      className="text-destructive focus:text-destructive"
+                      onClick={() => {
+                        if (confirm(`Remove assignment for ${a.user?.name || a.user?.email} on "${a.project?.title}"?`)) {
+                          deleteMutation.mutate({ id: a.id })
+                        }
+                      }}
+                      disabled={deleteMutation.isPending}
+                    >
+                      <Trash2 className="h-3.5 w-3.5 mr-2" />
+                      Delete Assignment
+                    </DropdownMenuItem>
+                  </DropdownMenuContent>
+                </DropdownMenu>
               </div>
             ))}
           </div>