Add Nuxt MiniMax H3 relay studio for local ComfyUI.

Headless image-to-video UI queues jobs on the desktop ComfyUI instance with live SSE progress and Authentik SSO.

server/api/generate/[id]/stream.get.ts

@@ -0,0 +1,41 @@
+export default defineEventHandler(async (event) => {
+  const id = getRouterParam(event, 'id')
+  const job = id ? getJob(id) : undefined
+  if (!job) {
+    throw createError({ statusCode: 404, statusMessage: 'Job not found' })
+  }
+
+  const stream = createEventStream(event)
+  const send = async (payload: unknown) => {
+    await stream.push(JSON.stringify(payload))
+  }
+
+  await send({
+    type: 'hello',
+    status: job.status,
+    message: job.message,
+    progress: job.progress,
+    step: job.step,
+    maxStep: job.maxStep,
+    promptId: job.promptId,
+    elapsedMs: Date.now() - job.startedAt
+  })
+
+  for (const past of job.events) {
+    await send(past)
+  }
+
+  const unsubscribe = subscribeJob(job, (payload) => {
+    void send(payload).then(() => {
+      if (payload.type === 'complete' || payload.type === 'error') {
+        void stream.close()
+      }
+    })
+  })
+
+  stream.onClosed(() => {
+    unsubscribe()
+  })
+
+  return stream.send()
+})