feat: lunch tab scaffold + un-disable trigger

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/app/(admin)/admin/logistics/page.tsx

@@ -15,6 +15,7 @@ import { ConfirmationsTab } from '@/components/admin/logistics/confirmations-tab
 import { TravelTab } from '@/components/admin/logistics/travel-tab'
 import { HotelsTab } from '@/components/admin/logistics/hotels-tab'
 import { VisasTab } from '@/components/admin/logistics/visas-tab'
+import { LunchTab } from '@/components/admin/logistics/lunch-tab'
 
 export default function LogisticsPage() {
   const { currentEdition } = useEdition()
@@ -52,9 +53,8 @@ export default function LogisticsPage() {
           <TabsTrigger value="visas">
             <Stamp className="mr-2 h-4 w-4" /> Visas
           </TabsTrigger>
-          <TabsTrigger value="lunch" disabled>
+          <TabsTrigger value="lunch">
             <Salad className="mr-2 h-4 w-4" /> Lunch
-            <span className="text-muted-foreground ml-1 text-xs">(soon)</span>
           </TabsTrigger>
           <TabsTrigger value="email-templates" disabled>
             <ScrollText className="mr-2 h-4 w-4" /> Email Templates
@@ -74,6 +74,9 @@ export default function LogisticsPage() {
         <TabsContent value="visas">
           <VisasTab programId={programId} />
         </TabsContent>
+        <TabsContent value="lunch">
+          <LunchTab programId={programId} />
+        </TabsContent>
       </Tabs>
     </div>
   )

src/components/admin/logistics/lunch-tab.tsx

@@ -0,0 +1,35 @@
+'use client'
+
+import { trpc } from '@/lib/trpc/client'
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
+import { Skeleton } from '@/components/ui/skeleton'
+
+export function LunchTab({ programId }: { programId: string }) {
+  const { data: event, isLoading } = trpc.lunch.getEvent.useQuery({ programId })
+  if (isLoading || !event) {
+    return <Skeleton className="h-48 w-full" />
+  }
+  if (!event.enabled) {
+    return (
+      <Card>
+        <CardHeader>
+          <CardTitle>Lunch is disabled</CardTitle>
+        </CardHeader>
+        <CardContent>
+          <p className="text-muted-foreground text-sm">
+            Toggle Lunch on from the Event configuration card to begin setup.
+          </p>
+          {/* Event config card mounts in Task 14, replacing this stub. */}
+        </CardContent>
+      </Card>
+    )
+  }
+  return (
+    <div className="space-y-6">
+      {/* Cards mount in Tasks 14-18. */}
+      <p className="text-muted-foreground text-sm">
+        Lunch tab — cards land in upcoming tasks.
+      </p>
+    </div>
+  )
+}