阶段9开发完成

src/editor/editorConfig.ts

@@ -223,7 +223,7 @@ export async function applyEditorConfig(store: EditorStore, input: EditorConfigF
   repairSelection(store, config.selection)
   store.timeline.frame = 0
   store.timeline.recorded = false
-  store.timeline.playing = false
+  store.timeline.playing = true
   for (const system of store.systems) {
     if (!store.timeline.animations.includes(system.animation)) system.animation = store.timeline.animations[0]
   }

src/views/ParticlePanel.vue

@@ -850,7 +850,8 @@ async function loadSelectedPreset() {
     configMessage.value = `已加载预设：${file.replace(/\.json$/i, '')}`
   } catch (error) {
     configError.value = true
-    configMessage.value = error instanceof Error ? error.message : String(error)
+    const message = error instanceof Error ? error.message : String(error)
+    configMessage.value = `${message}，请检查预设文件命名`
   } finally {
     presetLoading.value = false
     selectedPreset.value = ''