feat: add bulk invite to jury group page + widen member search role filter

Adds bulkInviteMembers procedure to juryGroup router and integrates
BulkInviteForm into the jury group members tab. Also removes the
JURY_MEMBER-only filter from the user search — any user can now be
added to a jury group.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/(admin)/admin/juries/[groupId]/page.tsx

@@ -1,6 +1,7 @@
 'use client'
 
 import { use, useState } from 'react'
+import { BulkInviteForm } from '@/components/shared/bulk-invite-form'
 import Link from 'next/link'
 import type { Route } from 'next'
 import { useRouter } from 'next/navigation'
@@ -94,7 +95,6 @@ export default function JuryGroupDetailPage({ params }: JuryGroupDetailPageProps
 
   const { data: userSearchResults, isLoading: loadingUsers } = trpc.user.list.useQuery(
     {
-      role: 'JURY_MEMBER',
       search: userSearch,
       page: 1,
       perPage: 20,
@@ -120,6 +120,14 @@ export default function JuryGroupDetailPage({ params }: JuryGroupDetailPageProps
     onError: (err) => toast.error(err.message),
   })
 
+  const bulkInviteMutation = trpc.juryGroup.bulkInviteMembers.useMutation({
+    onSuccess: (data) => {
+      utils.juryGroup.getById.invalidate({ id: groupId })
+      toast.success(`${data.created} invited, ${data.existing} already existed${data.errors > 0 ? `, ${data.errors} failed` : ''}`)
+    },
+    onError: (err) => toast.error(err.message),
+  })
+
   const removeMemberMutation = trpc.juryGroup.removeMember.useMutation({
     onSuccess: () => {
       utils.juryGroup.getById.invalidate({ id: groupId })
@@ -339,6 +347,28 @@ export default function JuryGroupDetailPage({ params }: JuryGroupDetailPageProps
               )}
             </CardContent>
           </Card>
+
+          <Card>
+            <CardHeader>
+              <CardTitle className="text-base">Invite New Members by Email</CardTitle>
+              <CardDescription>
+                Invite new users who don&apos;t have accounts yet. They&apos;ll receive an invitation email and be added to this jury group.
+              </CardDescription>
+            </CardHeader>
+            <CardContent>
+              <BulkInviteForm
+                onSubmit={async (rows) => {
+                  await bulkInviteMutation.mutateAsync({
+                    juryGroupId: groupId,
+                    role: 'MEMBER',
+                    invitees: rows.map((r) => ({ name: r.name || undefined, email: r.email })),
+                  })
+                }}
+                isPending={bulkInviteMutation.isPending}
+                submitLabel="Invite & Add Members"
+              />
+            </CardContent>
+          </Card>
         </TabsContent>
 
         {/* Settings Tab */}