Put default video length on the main Settings panel and let Studio save it.

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

pages/index.vue

@@ -1012,10 +1012,20 @@
 
         <div v-if="studioMode === 'video'" class="space-y-4">
           <div class="grid grid-cols-1 items-start gap-3 sm:grid-cols-2">
-            <DurationField
-              v-model="duration"
-              label="Duration"
-            />
+            <div>
+              <DurationField
+                v-model="duration"
+                label="Duration"
+              />
+              <button
+                type="button"
+                class="mt-2 text-[11px] text-amber-200/90 hover:text-amber-100"
+                title="Save this length as the default for new video jobs"
+                @click="saveDurationAsDefault"
+              >
+                Save {{ duration }}s as default
+              </button>
+            </div>
             <div>
               <Thumbwheel
                 v-model="cfg"
@@ -2302,7 +2312,8 @@ import {
   VIDEO_DURATION_DEFAULT,
   clampVideoDuration,
   clipPartDuration,
-  defaultVideoDurationPref
+  defaultVideoDurationPref,
+  setDefaultVideoDurationPref
 } from '~/utils/videoDuration'
 
 const runtimeConfig = useRuntimeConfig()
@@ -2579,6 +2590,8 @@ function selectStudioKind(kind: 'video' | 'image') {
   studioMode.value = 'editv2'
   outputFocus.value = 'edit'
 }
+  outputFocus.value = 'edit'
+}
 
 function applyStudioQueryFromRoute() {
   const studio = String(route.query.studio || '').toLowerCase()
@@ -4109,6 +4122,12 @@ function clampDuration(value: number) {
   return clampVideoDuration(value, defaultVideoDurationPref())
 }
 
+function saveDurationAsDefault() {
+  const next = setDefaultVideoDurationPref(duration.value)
+  duration.value = next
+  toast(`Default video length set to ${next}s`)
+}
+
 function clampCfg(value: number) {
   return clampVideoCfg(value, turbo.value ? CFG_TURBO : CFG_QUALITY)
 }