PLATINE drag to play & random tracks

app/store/data.ts

@@ -57,6 +57,12 @@ export const useDataStore = defineStore('data', {
       if (box) {
         box.activeSide = side
       }
+    },
+
+    getRandomPlaylistTrack() {
+      if (this.tracks.length === 0) return null
+      const randomIndex = Math.floor(Math.random() * this.tracks.length)
+      return this.tracks[randomIndex]
     }
   },