fix(i18n): add missing translation keys for deeplink confirmation components

- Add i18n support to McpConfirmation, PromptConfirmation, SkillConfirmation
- Add nested translation keys: deeplink.mcp.*, deeplink.prompt.*, deeplink.skill.*
- Replace all hardcoded Chinese strings with t() function calls
- Ensure consistent localization across all deeplink import dialogs

src/i18n/locales/en.json

@@ -787,7 +787,30 @@
     "configRemote": "Remote Config",
     "configDetails": "Config Details",
     "configUrl": "Config File URL",
-    "configMergeError": "Failed to merge configuration file"
+    "configMergeError": "Failed to merge configuration file",
+    "mcp": {
+      "title": "Batch Import MCP Servers",
+      "targetApps": "Target Apps",
+      "serverCount": "MCP Servers ({{count}})",
+      "enabledWarning": "After import, configurations will be written to all specified apps immediately"
+    },
+    "prompt": {
+      "title": "Import System Prompt",
+      "app": "App",
+      "name": "Name",
+      "description": "Description",
+      "contentPreview": "Content Preview",
+      "enabledWarning": "After import, this prompt will be enabled immediately and other prompts will be disabled"
+    },
+    "skill": {
+      "title": "Add Claude Skill Repository",
+      "repo": "GitHub Repository",
+      "directory": "Target Directory",
+      "branch": "Branch",
+      "skillsPath": "Skills Path",
+      "hint": "This will add the Skill repository to the list.",
+      "hintDetail": "After adding, you can install specific Skills from the Skills management page."
+    }
   },
   "iconPicker": {
     "search": "Search Icons",

src/i18n/locales/zh.json

@@ -787,7 +787,30 @@
     "configRemote": "远程配置",
     "configDetails": "配置详情",
     "configUrl": "配置文件 URL",
-    "configMergeError": "合并配置文件失败"
+    "configMergeError": "合并配置文件失败",
+    "mcp": {
+      "title": "批量导入 MCP Servers",
+      "targetApps": "目标应用",
+      "serverCount": "MCP Servers ({{count}} 个)",
+      "enabledWarning": "导入后将立即写入所有指定应用的配置文件"
+    },
+    "prompt": {
+      "title": "导入系统提示词",
+      "app": "应用",
+      "name": "名称",
+      "description": "描述",
+      "contentPreview": "内容预览",
+      "enabledWarning": "导入后将立即启用此提示词，其他提示词将被禁用"
+    },
+    "skill": {
+      "title": "添加 Claude Skill 仓库",
+      "repo": "GitHub 仓库",
+      "directory": "目标目录",
+      "branch": "分支",
+      "skillsPath": "Skills 路径",
+      "hint": "此操作将添加 Skill 仓库到列表。",
+      "hintDetail": "添加后，您可以在 Skills 管理界面中选择安装具体的 Skill。"
+    }
   },
   "iconPicker": {
     "search": "搜索图标",