Implement Specials feature, Admin UI enhancements, and Database Rebuild tool

app/api/specials/route.ts

@@ -0,0 +1,51 @@
+import { PrismaClient, Special } from '@prisma/client';
+import { NextResponse } from 'next/server';
+
+const prisma = new PrismaClient();
+
+export async function GET() {
+    const specials = await prisma.special.findMany({
+        orderBy: { name: 'asc' },
+    });
+    return NextResponse.json(specials);
+}
+
+export async function POST(request: Request) {
+    const { name, maxAttempts = 7, unlockSteps = '[2,4,7,11,16,30,60]' } = await request.json();
+    if (!name) {
+        return NextResponse.json({ error: 'Name is required' }, { status: 400 });
+    }
+    const special = await prisma.special.create({
+        data: {
+            name,
+            maxAttempts: Number(maxAttempts),
+            unlockSteps,
+        },
+    });
+    return NextResponse.json(special);
+}
+
+export async function DELETE(request: Request) {
+    const { id } = await request.json();
+    if (!id) {
+        return NextResponse.json({ error: 'ID required' }, { status: 400 });
+    }
+    await prisma.special.delete({ where: { id: Number(id) } });
+    return NextResponse.json({ success: true });
+}
+
+export async function PUT(request: Request) {
+    const { id, name, maxAttempts, unlockSteps } = await request.json();
+    if (!id) {
+        return NextResponse.json({ error: 'ID required' }, { status: 400 });
+    }
+    const updated = await prisma.special.update({
+        where: { id: Number(id) },
+        data: {
+            ...(name && { name }),
+            ...(maxAttempts && { maxAttempts: Number(maxAttempts) }),
+            ...(unlockSteps && { unlockSteps }),
+        },
+    });
+    return NextResponse.json(updated);
+}