解决粒子首位帧衔接问题

package.json

@@ -6,6 +6,8 @@
   "scripts": {
     "dev": "vite",
     "build": "vue-tsc -b && vite build",
+    "test:loop-seam": "node scripts/verify-loop-seam.mjs",
+    "test:timeline": "node scripts/verify-timeline.mjs",
     "test:spine-json": "node scripts/verify-spine-json.mjs",
     "preview": "vite preview"
   },