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

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

src/app/(site)/guilds/[id]/forum/new/page.tsx

@@ -1,3 +1,4 @@
+import { eq } from "drizzle-orm";
 import Link from "next/link";
 import { notFound, redirect } from "next/navigation";
 import { getTranslations } from "next-intl/server";
@@ -5,7 +6,7 @@ import type { CSSProperties } from "react";
 import { postThread } from "@/actions/social";
 import { ContentCard } from "@/components/public/ui";
 import { auth } from "@/lib/auth";
-import { prisma } from "@/lib/prisma";
+import { db, Guilds } from "@/lib/db";
 
 export const dynamic = "force-dynamic";
 
@@ -47,10 +48,12 @@ export default async function NewThreadPage({
 	// Guild header (read-only). A DB hiccup degrades to notFound rather than 500.
 	let guild: { id: number; name: string } | null = null;
 	try {
-		guild = await prisma.guilds.findUnique({
-			where: { id: guildId },
-			select: { id: true, name: true },
-		});
+		const [row] = await db
+			.select({ id: Guilds.id, name: Guilds.name })
+			.from(Guilds)
+			.where(eq(Guilds.id, guildId))
+			.limit(1);
+		guild = row ?? null;
 	} catch {
 		guild = null;
 	}