feat: 删除战鼓相关代码 + 修复数据加载异常问题

data/config.json

@@ -950,36 +950,5 @@
   "battleEndTime": {
     "date": "2026-02-08",
     "time": "00:00:00"
-  },
-  "drumConfig": {
-    "sound": {
-      "volume": 1,
-      "frequency1": 150,
-      "frequency2": 100,
-      "attackTime": 0.01,
-      "decayTime": 0.3,
-      "type1": "sine",
-      "type2": "triangle",
-      "enabled": false
-    },
-    "animation": {
-      "beatInterval": 200,
-      "beatScale": 1.3,
-      "beatTranslateY": -15,
-      "beatRotate": 5,
-      "idlePulseDuration": 2,
-      "beatDuration": 100,
-      "enabled": true
-    },
-    "pattern": {
-      "strongBeats": [
-        1,
-        4
-      ],
-      "totalBeats": 4,
-      "accentMultiplier": 1.5,
-      "accentFrequencyOffset": 10,
-      "accentAnimation": 50
-    }
   }
 }