refactor(db): migrate app pages and APIs from Prisma facade to Drizzle (6)

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

src/lib/theme-custom-store.ts

@@ -1,4 +1,4 @@
-import { prisma } from "@/lib/prisma";
+import { db, WebsiteSetting } from "@/lib/db";
 import { siteSettings } from "@/lib/services/site-settings";
 import {
 	PRESETS,
@@ -86,11 +86,10 @@ export async function snapshotCurrentTheme(): Promise<Record<string, string>> {
 
 async function persist(themes: CustomTheme[]): Promise<void> {
 	const value = JSON.stringify(themes);
-	await prisma.websiteSetting.upsert({
-		where: { key: STORE_KEY },
-		create: { key: STORE_KEY, value, comment: "Theme (housekeeping)" },
-		update: { value },
-	});
+	await db
+		.insert(WebsiteSetting)
+		.values({ key: STORE_KEY, value, comment: "Theme (housekeeping)" })
+		.onDuplicateKeyUpdate({ set: { value } });
 	siteSettings.reload();
 }