Add voice transcription admin review flow

src/server.ts

@@ -9,7 +9,10 @@ import {
   handleTelegramBotWebhook,
 } from './auth/telegram-bot-login.js';
 
-const app = Fastify({ logger: true });
+const app = Fastify({
+  logger: true,
+  bodyLimit: 25 * 1024 * 1024,
+});
 
 app.register(mercurius, {
   schema,
@@ -46,6 +49,36 @@ app.get('/telegram/photo/:fileId', async (request, reply) => {
   return reply.send(photo.bytes);
 });
 
+app.get('/audio/voice-experiences/:experienceId', async (request, reply) => {
+  const params = request.params as { experienceId: string };
+  const query = request.query as { token?: string };
+  if (!query.token) {
+    return reply.code(401).send({ error: 'Audio token is required.' });
+  }
+
+  const experience = await prisma.voiceExperience.findUnique({
+    where: { id: params.experienceId },
+    select: {
+      audioAccessToken: true,
+      audioContentBase64: true,
+      audioMimeType: true,
+    },
+  });
+
+  if (
+    !experience ||
+    experience.audioAccessToken !== query.token ||
+    !experience.audioContentBase64 ||
+    !experience.audioMimeType
+  ) {
+    return reply.code(404).send({ error: 'Audio was not found.' });
+  }
+
+  reply.header('content-type', experience.audioMimeType);
+  reply.header('cache-control', 'no-store');
+  return reply.send(Buffer.from(experience.audioContentBase64, 'base64'));
+});
+
 app.addHook('onClose', async () => {
   await prisma.$disconnect();
 });