Fix generation progress getting stuck at 1% after Comfy finishes.

Poll Comfy history and the job snapshot so the browser still gets the video when the live stream is buffered or the websocket misses completion.

Co-authored-by: Cursor <cursoragent@cursor.com>

nuxt.config.ts

@@ -38,6 +38,14 @@ export default defineNuxtConfig({
     }
   },
   nitro: {
-    preset: 'node-server'
+    preset: 'node-server',
+    routeRules: {
+      '/api/generate/**': {
+        headers: {
+          'Cache-Control': 'no-cache, no-store, no-transform',
+          'X-Accel-Buffering': 'no'
+        }
+      }
+    }
   }
 })