fix(frontend): 调整工作台文件总览与快捷指令菜单

将文件管理区从单目录文件表格修正为多根目录常驻的文件夹总览，
点击目录时仅展开和聚焦，不再切换为单独目录列表。

同时修复快捷指令右键菜单的透明背景与粘贴语义，
统一为“粘贴到命令输入框”且不自动发送，并同步多语言文案。

顺带收紧快捷指令编辑弹窗的最小尺寸、初始尺寸与视口上限，
降低小分辨率下的弹窗溢出概率。

packages/frontend/src/locales/en-US.json

@@ -1434,16 +1434,14 @@
     },
     "actions": {
       "runNow": "Run Now",
-      "pasteToTerminal": "Paste to Terminal",
+      "pasteToCommandInput": "Paste to Command Input",
       "copyCommand": "Copy Command",
-      "pasteToQuickInput": "Paste to Quick Input",
       "edit": "Edit",
       "delete": "Delete",
       "sendToAllSessions": "Send to All Servers"
     },
     "notifications": {
-      "pastedToTerminal": "Pasted into the terminal input.",
-      "pastedToQuickInput": "Pasted into the quick input.",
+      "pastedToCommandInput": "Pasted into the command input.",
       "sentToAllSessions": "Command sent to {count} servers.",
       "noActiveSshSessions": "No active SSH sessions to send command to."
     }

packages/frontend/src/locales/ja-JP.json

@@ -855,16 +855,14 @@
         "usageCount": "使用回数",
         "actions": {
           "runNow": "今すぐ実行",
-          "pasteToTerminal": "ターミナルに貼り付け",
+          "pasteToCommandInput": "コマンド入力欄に貼り付け",
           "copyCommand": "コマンドをコピー",
-          "pasteToQuickInput": "クイック入力欄に貼り付け",
           "edit": "編集",
           "delete": "削除",
           "sendToAllSessions": "すべてのサーバーに送信"
         },
         "notifications": {
-          "pastedToTerminal": "ターミナル入力欄に貼り付けました。",
-          "pastedToQuickInput": "クイック入力欄に貼り付けました。",
+          "pastedToCommandInput": "コマンド入力欄に貼り付けました。",
           "sentToAllSessions": "コマンドは {count} 台のサーバーに送信されました。",
           "noActiveSshSessions": "コマンドを送信するアクティブな SSH セッションはありません。"
         }

packages/frontend/src/locales/zh-CN.json

@@ -1438,16 +1438,14 @@
     },
     "actions": {
       "runNow": "立即执行",
-      "pasteToTerminal": "粘贴到终端",
+      "pasteToCommandInput": "粘贴到命令输入框",
       "copyCommand": "复制命令",
-      "pasteToQuickInput": "粘贴到快捷输入框",
       "edit": "编辑",
       "delete": "删除",
       "sendToAllSessions": "发送到全部服务器"
     },
     "notifications": {
-      "pastedToTerminal": "已粘贴到终端输入框。",
-      "pastedToQuickInput": "已粘贴到快捷输入框。",
+      "pastedToCommandInput": "已粘贴到命令输入框。",
       "sentToAllSessions": "指令已发送到 {count} 台服务器。",
       "noActiveSshSessions": "没有活动的 SSH 会话可发送指令。"
     }