0.10.4: button still-frames render only on their own state

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/stores/scene.ts

@@ -533,7 +533,13 @@ export const useSceneStore = defineStore('scene', {
         y: canvas.height / 2,
       }
       if (asset && 'fill' in asset) base.fill = asset.fill
-      const initialTime = this.activeButtonAssetId ? BUTTON_STATE_TIMES.normal : 0
+      // In button-edit mode, seed the initial keyframe on the state
+      // the user is currently viewing — not always on 'normal'. Drops
+      // in the 'disabled' pane then stay there; the layer doesn't
+      // silently pop onto the normal frame.
+      const initialTime = this.activeButtonAssetId
+        ? BUTTON_STATE_TIMES[this.activeButtonState ?? 'normal']
+        : 0
       const layer: Layer = {
         id: uid(),
         name: name ?? asset?.name ?? 'Layer',