Migrate dependencies: bcrypt→@node-rs/argon2, sanitize-html→isomorphic-dompurify, remove nodemailer/next-view-transitions

src/app/api/health/route.ts

@@ -33,22 +33,7 @@ export async function GET() {
 
 	const emulator = await rcon.send("ping", null).catch(() => false);
 
-	let smtp = null;
-	if (env.SMTP_HOST) {
-		const nodemailer = await import("nodemailer");
-		const test = nodemailer.createTransport({
-			host: env.SMTP_HOST,
-			port: env.SMTP_PORT,
-			secure: env.SMTP_SECURE,
-			auth: env.SMTP_USER
-				? { user: env.SMTP_USER, pass: env.SMTP_PASSWORD ?? "" }
-				: undefined,
-		});
-		smtp = await test
-			.verify()
-			.then(() => true)
-			.catch(() => false);
-	}
+	const resendAvailable = !!env.RESEND_API_KEY;
 
 	const degraded = !database || redisOk === false;
 	return apiJson({
@@ -56,7 +41,7 @@ export async function GET() {
 		database,
 		redis: redisOk,
 		emulator,
-		smtp,
+		resend: resendAvailable,
 		node: process.version,
 		uptime: Math.round(process.uptime()),
 		time: new Date().toISOString(),