Keep pause across Coolify restarts, apply the chosen still from the image picker, and remux clips with Range/faststart so finished video can be scrubbed.

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

server/api/media.get.ts

@@ -1,3 +1,5 @@
+import { sendBufferWithRange } from '~/server/utils/httpRange'
+
 export default defineEventHandler(async (event) => {
   const query = getQuery(event)
   const filename = String(query.filename || '')
@@ -12,8 +14,8 @@ export default defineEventHandler(async (event) => {
     throw createError({ statusCode: res.status, statusMessage: 'Failed to fetch video from ComfyUI' })
   }
   const buf = Buffer.from(await res.arrayBuffer())
-  setHeader(event, 'Content-Type', res.headers.get('content-type') || 'video/mp4')
-  setHeader(event, 'Content-Disposition', `inline; filename="${filename}"`)
-  setHeader(event, 'Cache-Control', 'private, max-age=3600')
-  return buf
+  return sendBufferWithRange(event, buf, res.headers.get('content-type') || 'video/mp4', {
+    'Content-Disposition': `inline; filename="${filename}"`,
+    'Cache-Control': 'private, max-age=0, must-revalidate'
+  })
 })