feat(skill): 新增buff背景动画并调整箭矢技能资源

- 新增buff_bg.prefab及其动画资源，用于技能buff背景效果
- 新增arrow_big_yellow.prefab及其动画资源，添加黄色大箭矢技能
- 调整红、蓝、绿箭矢prefab的碰撞框尺寸（70×20→60×30）
- 为atk_s2.prefab添加spriteFrame并启用debugMode
- 更新SkillSet配置，调整基础技能对应的动画资源
- 优化atk02.anim和atk03.anim动画时长，移除冗余帧
- 重构箭矢动画文件结构，将atk_arrow_*重命名为arrow_*并更新引用
- 在ha1.prefab中集成buff_bg作为子节点

assets/resources/game/skill/buff/buff_bg.prefab

@@ -0,0 +1,274 @@
+[
+  {
+    "__type__": "cc.Prefab",
+    "_name": "buff_bg",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
+    "optimizationPolicy": 0,
+    "persistent": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "buff_bg",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_parent": null,
+    "_children": [
+      {
+        "__id__": 2
+      }
+    ],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 8
+      },
+      {
+        "__id__": 10
+      }
+    ],
+    "_prefab": {
+      "__id__": 12
+    },
+    "_lpos": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_lrot": {
+      "__type__": "cc.Quat",
+      "x": 0,
+      "y": 0,
+      "z": 0,
+      "w": 1
+    },
+    "_lscale": {
+      "__type__": "cc.Vec3",
+      "x": 1,
+      "y": 1,
+      "z": 1
+    },
+    "_mobility": 0,
+    "_layer": 1,
+    "_euler": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "skill",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_parent": {
+      "__id__": 1
+    },
+    "_children": [],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 3
+      },
+      {
+        "__id__": 5
+      }
+    ],
+    "_prefab": {
+      "__id__": 7
+    },
+    "_lpos": {
+      "__type__": "cc.Vec3",
+      "x": -2,
+      "y": -5,
+      "z": 0
+    },
+    "_lrot": {
+      "__type__": "cc.Quat",
+      "x": 0,
+      "y": 0,
+      "z": 0,
+      "w": 1
+    },
+    "_lscale": {
+      "__type__": "cc.Vec3",
+      "x": 1.1,
+      "y": 1.1,
+      "z": 1
+    },
+    "_mobility": 0,
+    "_layer": 1,
+    "_euler": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.UITransform",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 2
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 4
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 150,
+      "height": 168
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "b4sNQPJWFKha7x75SWXmRj"
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 2
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 6
+    },
+    "_customMaterial": null,
+    "_srcBlendFactor": 2,
+    "_dstBlendFactor": 4,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_spriteFrame": {
+      "__uuid__": "2423272e-e63b-4736-b15b-30b40cf98a23@35919",
+      "__expectedType__": "cc.SpriteFrame"
+    },
+    "_type": 0,
+    "_fillType": 1,
+    "_sizeMode": 1,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0.2,
+    "_fillRange": 1,
+    "_isTrimmedMode": true,
+    "_useGrayscale": false,
+    "_atlas": {
+      "__uuid__": "2423272e-e63b-4736-b15b-30b40cf98a23",
+      "__expectedType__": "cc.SpriteAtlas"
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "9a+65VIghBm4HQxuHPQ/mg"
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__id__": 0
+    },
+    "fileId": "7a5LvbdlxEc6FKa7cun2oB",
+    "instance": null,
+    "targetOverrides": null,
+    "nestedPrefabInstanceRoots": null
+  },
+  {
+    "__type__": "cc.UITransform",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 9
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 80,
+      "height": 110
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "63NP9yq3hEUKD/OZZZ5t7x"
+  },
+  {
+    "__type__": "cc.Animation",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 11
+    },
+    "playOnLoad": true,
+    "_clips": [
+      {
+        "__uuid__": "a732ebac-b3c8-4f43-ac73-67a90a02ecfa",
+        "__expectedType__": "cc.AnimationClip"
+      }
+    ],
+    "_defaultClip": {
+      "__uuid__": "a732ebac-b3c8-4f43-ac73-67a90a02ecfa",
+      "__expectedType__": "cc.AnimationClip"
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "c6LOemuvJKyYCqlF/yUJcr"
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__id__": 0
+    },
+    "fileId": "c46/YsCPVOJYA4mWEpNYRx",
+    "instance": null,
+    "targetOverrides": null
+  }
+]

assets/resources/game/skill/buff/buff_bg.prefab.meta

@@ -0,0 +1,13 @@
+{
+  "ver": "1.1.50",
+  "importer": "prefab",
+  "imported": true,
+  "uuid": "9528e2ff-e9a0-42f8-88bd-0f172275e351",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {
+    "syncNodeName": "buff_bg"
+  }
+}