fix: 修复重复能力审计中Base64解码同时保留与隐藏的冲突

resources/capability-duplicates.json

@@ -3,9 +3,9 @@
   "generatedAt": "2026-11-02T04:56:17.341Z",
   "policy": "同名能力按目标域、协议和最新版本保留主能力；重复旧版本仅隐藏，不删除执行器",
   "editableBefore": 894,
-  "keep": 654,
-  "hide": 240,
-  "editableAfter": 654,
+  "keep": 653,
+  "hide": 241,
+  "editableAfter": 653,
   "decisions": [
     {
       "id": "Trigger.Manual",
@@ -3338,12 +3338,6 @@
       "status": "keep",
       "reason": "唯一能力"
     },
-    {
-      "id": "Image_Base64Decode",
-      "name": "图片base64编码转二进制",
-      "status": "keep",
-      "reason": "唯一能力"
-    },
     {
       "id": "Image_Find_V1",
       "name": "查找图像",
@@ -5619,4 +5613,4 @@
       "reason": "与图片Base64编解码(Image_Base64Encode)互逆重复, 已统一为转换方向切换, 保留执行兼容"
     }
   ]
-}
+}

resources/catalog-overrides.json

@@ -273,7 +273,7 @@
         "placeholder": "如 D:\\output"
       },
       "outImageName": {
-        "placeholder": "输入内容或 ${变量}"
+        "placeholder": "留空则自动生成，如 screenshot_1730000000.png"
       }
     }
   },
@@ -287,7 +287,7 @@
   "Image_Base64Encode": {
     "fields": {
       "path": {
-        "description": "填写参数值，支持 ${变量} 引用上游输出"
+        "description": "编码方向的源图片路径，支持 ${变量} 引用上游输出（如上游截图的保存路径）"
       }
     }
   },

resources/catalog.json

@@ -10,7 +10,7 @@
     "vendor": 997,
     "native": 16,
     "triggers": 3,
-    "fields": 4294
+    "fields": 4296
   },
   "groups": [
     {