refactor(db): migrate app pages and APIs from Prisma facade to Drizzle

Co-authored-by: Cursor <[email protected]>

src/app/(site)/radio/apply/page.tsx

@@ -1,11 +1,12 @@
+import { desc, eq } from "drizzle-orm";
 import { redirect } from "next/navigation";
 import { getTranslations } from "next-intl/server";
 import type { CSSProperties } from "react";
 import { applyDj } from "@/actions/radio-apply";
 import { ContentCard } from "@/components/public/ui";
 import { auth } from "@/lib/auth";
+import { db, RadioApplications } from "@/lib/db";
 import { formatDate } from "@/lib/format-date";
-import { prisma } from "@/lib/prisma";
 
 export const dynamic = "force-dynamic";
 
@@ -49,13 +50,17 @@ export default async function RadioApplyPage({
 
 	// Surface the applicant's most recent application (if any) so they aren't
 	// left guessing. Isolated query: a DB hiccup degrades this to null, not 500.
-	const existing = await prisma.radioApplications
-		.findFirst({
-			where: { userId: BigInt(userId) },
-			orderBy: { id: "desc" },
-			select: { id: true, status: true, createdAt: true },
+	const [existing] = await db
+		.select({
+			id: RadioApplications.id,
+			status: RadioApplications.status,
+			createdAt: RadioApplications.createdAt,
 		})
-		.catch(() => null);
+		.from(RadioApplications)
+		.where(eq(RadioApplications.userId, BigInt(userId)))
+		.orderBy(desc(RadioApplications.id))
+		.limit(1)
+		.catch(() => []);
 
 	const submittedDate = existing?.createdAt
 		? formatDate(existing.createdAt, "date")