Implement notification creation and deletion endpoints

app/api/notifications/delete/route.ts

@@ -0,0 +1,21 @@
+import { NextResponse, NextRequest } from "next/server";
+import { prisma } from "@/lib/prisma";
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const id = Number(body.id);
+
+    if (!id) {
+      return NextResponse.json({ error: "Missing ID" }, { status: 400 });
+    }
+
+    await prisma.notification.delete({
+      where: { id: id }
+    });
+
+    return NextResponse.json({ success: true });
+  } catch (error: any) {
+    return NextResponse.json({ error: error.message }, { status: 500 });
+  }
+}