refactor(db): migrate staff and app actions from Prisma facade to Drizzle

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

src/actions/admin-theme.ts

@@ -3,8 +3,8 @@
 import { revalidatePath } from "next/cache";
 import { redirect } from "next/navigation";
 import { requirePermission } from "@/lib/admin/guard";
+import { db, WebsiteSetting } from "@/lib/db";
 import { PERMS } from "@/lib/permissions";
-import { prisma } from "@/lib/prisma";
 import { siteSettings } from "@/lib/services/site-settings";
 import { logStaffActivity } from "@/lib/services/staff-activity";
 import { ensureReadableThemeColors } from "@/lib/theme-contrast";
@@ -24,11 +24,10 @@ const HEADING_KEYS = ["size_heading_h1", "size_heading_h2", "size_heading_h3"];
 const CUSTOM_CSS_MAX = 20000;
 
 async function writeSetting(key: string, value: string): Promise<void> {
-	await prisma.websiteSetting.upsert({
-		where: { key },
-		update: { value },
-		create: { key, value, comment: "Theme (housekeeping)" },
-	});
+	await db
+		.insert(WebsiteSetting)
+		.values({ key, value, comment: "Theme (housekeeping)" })
+		.onDuplicateKeyUpdate({ set: { value } });
 }
 
 export async function saveTheme(formData: FormData): Promise<void> {