fix(agents): preserve Shift selection and add bulk task actions (#283)

src/platform/locales/text/zh.json

@@ -4739,5 +4739,14 @@
   "Cannot select Python interpreter": "无法选择 Python 解释器",
   "Python Interpreter: {label}": "Python 解释器：{label}",
   "Add to .gitignore": "添加到 .gitignore",
-  "Add to .git/info/exclude": "添加到 .git/info/exclude"
+  "Add to .git/info/exclude": "添加到 .git/info/exclude",
+  "Delete Agent Tasks": "删除 Agent 任务",
+  "Open Agent Task": "打开 Agent 任务",
+  "Archive Agent Tasks": "归档 Agent 任务",
+  "Delete {count} agent tasks? Their branches and files outside worktrees are kept.": "是否删除这 {count} 个 Agent 任务？它们的分支及 worktree 以外的文件将保留。",
+  "Also remove their worktree folders": "同时删除它们的 worktree 目录",
+  "Cannot delete agent tasks": "无法删除 Agent 任务",
+  "Cannot archive agent tasks": "无法归档 Agent 任务",
+  "Archive ({count})": "归档（{count}）",
+  "Delete ({count})…": "删除（{count}）…"
 }