Restore automatic output size that matches the input still.

Keep 16:9, 9:16, and square as overrides, but default aspect back to Auto so MiniMax follows the source image.

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

server/api/generate.post.ts

@@ -111,7 +111,7 @@ export default defineEventHandler(async (event) => {
     folderLocked,
     name: clipName,
     prompt,
-    aspect: fields.aspect || '16:9',
+    aspect: fields.aspect || 'auto',
     width,
     height,
     steps,
@@ -177,7 +177,7 @@ export default defineEventHandler(async (event) => {
     seed,
     width,
     height,
-    aspect: fields.aspect || '16:9',
+    aspect: fields.aspect || 'auto',
     cfg,
     fps,
     sampler_name: samplerName,