0.9.1: jumpToScene action + auto-play on scene switch

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

src/stores/scene.ts

@@ -1798,7 +1798,10 @@ export const useSceneStore = defineStore('scene', {
     },
     /** Activate a page by id. Clears any drill-down state (clip-edit,
      *  button-edit, selections, drawing) so the new page isn't shown
-     *  through the lens of a context that belongs to another page. */
+     *  through the lens of a context that belongs to another page.
+     *  Every switch auto-starts playback — clicking a scene in the
+     *  drawer or having a script/button jump to one always hands the
+     *  user a running timeline on the new page. */
     switchScene(id: string): boolean {
       if (!this.project.scenes.find((s) => s.id === id)) return false
       this.project.activeSceneId = id
@@ -1812,7 +1815,7 @@ export const useSceneStore = defineStore('scene', {
       this.drawingMode = null
       this.drawingAssetId = null
       this.drawingLayerId = null
-      this.playing = false
+      this.playing = true
       return true
     },
     renameScene(id: string, name: string): boolean {
@@ -2401,6 +2404,7 @@ export const useSceneStore = defineStore('scene', {
         playbackOut: self.playbackOut,
         duration: self.scene.duration,
         markers: buildMarkerMap(self.scene.markers),
+        sceneIds: new Set(self.project.scenes.map((s) => s.id)),
         setPlayhead(t: number) {
           self.setPlayhead(t)
         },
@@ -2410,6 +2414,9 @@ export const useSceneStore = defineStore('scene', {
         pause() {
           self.pause()
         },
+        switchScene(sceneId: string) {
+          self.switchScene(sceneId)
+        },
         warn(msg: string) {
           // eslint-disable-next-line no-console
           console.warn('[ruwio]', msg)