feat(skill): 新增死亡技能预制体并调整现有技能颜色

- 新增 dead.prefab 预制体，包含动画和灰阶效果
- 调整 blues.prefab 透明度为完全不透明
- 修改 reds.prefab 为暗红色调并提高透明度
- 更新 yellow.prefab 为橙色并启用灰阶效果

assets/resources/game/skill/ready/blues.prefab

@@ -161,7 +161,7 @@
       "r": 255,
       "g": 255,
       "b": 255,
-      "a": 206
+      "a": 255
     },
     "_spriteFrame": {
       "__uuid__": "2423272e-e63b-4736-b15b-30b40cf98a23@d58f7",

assets/resources/game/skill/ready/dead.prefab

@@ -0,0 +1,274 @@
+[
+  {
+    "__type__": "cc.Prefab",
+    "_name": "dead",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
+    "optimizationPolicy": 0,
+    "persistent": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "dead",
+    "_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": 0,
+      "y": -35.811,
+      "z": 0
+    },
+    "_lrot": {
+      "__type__": "cc.Quat",
+      "x": 0,
+      "y": 0,
+      "z": 0,
+      "w": 1
+    },
+    "_lscale": {
+      "__type__": "cc.Vec3",
+      "x": 0.7,
+      "y": 0.7,
+      "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": 228,
+      "height": 207
+    },
+    "_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": 173,
+      "g": 170,
+      "b": 170,
+      "a": 255
+    },
+    "_spriteFrame": {
+      "__uuid__": "2423272e-e63b-4736-b15b-30b40cf98a23@a16b8",
+      "__expectedType__": "cc.SpriteFrame"
+    },
+    "_type": 1,
+    "_fillType": 1,
+    "_sizeMode": 1,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0.2,
+    "_fillRange": 1,
+    "_isTrimmedMode": true,
+    "_useGrayscale": true,
+    "_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__": "11f930a0-c09e-48e3-9616-c209909363a2",
+        "__expectedType__": "cc.AnimationClip"
+      }
+    ],
+    "_defaultClip": {
+      "__uuid__": "11f930a0-c09e-48e3-9616-c209909363a2",
+      "__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/ready/dead.prefab.meta

@@ -0,0 +1,13 @@
+{
+  "ver": "1.1.50",
+  "importer": "prefab",
+  "imported": true,
+  "uuid": "c180d1d8-387a-4cfa-a53f-9c2eed4ec93f",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {
+    "syncNodeName": "dead"
+  }
+}

assets/resources/game/skill/ready/reds.prefab

@@ -159,9 +159,9 @@
     "_color": {
       "__type__": "cc.Color",
       "r": 255,
-      "g": 255,
+      "g": 122,
-      "b": 255,
+      "b": 122,
-      "a": 206
+      "a": 255
     },
     "_spriteFrame": {
       "__uuid__": "2423272e-e63b-4736-b15b-30b40cf98a23@07243",

assets/resources/game/skill/ready/yellow.prefab

@@ -159,9 +159,9 @@
     "_color": {
       "__type__": "cc.Color",
       "r": 255,
-      "g": 255,
+      "g": 173,
-      "b": 255,
+      "b": 0,
-      "a": 206
+      "a": 255
     },
     "_spriteFrame": {
       "__uuid__": "2423272e-e63b-4736-b15b-30b40cf98a23@a16b8",
@@ -178,7 +178,7 @@
     "_fillStart": 0.2,
     "_fillRange": 1,
     "_isTrimmedMode": true,
-    "_useGrayscale": false,
+    "_useGrayscale": true,
     "_atlas": {
       "__uuid__": "2423272e-e63b-4736-b15b-30b40cf98a23",
       "__expectedType__": "cc.SpriteAtlas"