feat(mobile): 新增 editor.* 国际化文案

mobile/lib/l10n/strings_en.dart

@@ -202,4 +202,26 @@ const Map<String, String> stringsEn = {
   'terminal.status.connected': 'Connected',
   'terminal.status.disconnected': 'Disconnected',
   'terminal.status.error': 'Error',
+
+  // Editor (mobile SFTP text file)
+  'editor.tooLarge': 'File exceeds 2 MB. Download to edit.',
+  'editor.binary': 'Binary file is not editable.',
+  'editor.readFailed': 'Read failed: {0}',
+  'editor.saveFailed': 'Save failed: {0}',
+  'editor.saved': 'Saved',
+  'editor.unsaved': 'Unsaved',
+  'editor.format': 'Format',
+  'editor.save': 'Save',
+  'editor.discardTitle': 'Discard changes?',
+  'editor.discardBody': 'Unsaved edits will be lost. Leave?',
+  'editor.discardKeepEditing': 'Keep editing',
+  'editor.discardLeave': 'Discard',
+  'editor.discardSaveAndLeave': 'Save & leave',
+  'editor.malformedUtf8': 'File contains non-UTF-8 bytes; saving may lose some characters.',
+  'editor.formatUnsupported': 'Format not supported for this language.',
+  'editor.formatFailed': 'Format failed: {0}',
+  'editor.statusEncoding': 'UTF-8 · LF · {0}',
+  'editor.statusPosition': 'Ln {0}, Col {1}',
+  'editor.statusLineCount': '{0} / {1}',
+  'editor.statusSpaces': 'Spaces: {0}',
 };

mobile/lib/l10n/strings_zh.dart

@@ -191,4 +191,26 @@ const Map<String, String> stringsZh = {
   'terminal.status.connected': '已连接',
   'terminal.status.disconnected': '已断开',
   'terminal.status.error': '错误',
+
+  // Editor (mobile SFTP 文本文件)
+  'editor.tooLarge': '文件超过 2 MB，请下载后再编辑',
+  'editor.binary': '二进制文件不支持编辑',
+  'editor.readFailed': '读取失败：{0}',
+  'editor.saveFailed': '保存失败：{0}',
+  'editor.saved': '已保存',
+  'editor.unsaved': '未保存',
+  'editor.format': '格式化',
+  'editor.save': '保存',
+  'editor.discardTitle': '放弃修改？',
+  'editor.discardBody': '当前修改未保存，确定离开？',
+  'editor.discardKeepEditing': '继续编辑',
+  'editor.discardLeave': '放弃',
+  'editor.discardSaveAndLeave': '保存并退出',
+  'editor.malformedUtf8': '文件含非 UTF-8 字节，保存可能丢失部分字符',
+  'editor.formatUnsupported': '当前语言不支持格式化',
+  'editor.formatFailed': '格式化失败：{0}',
+  'editor.statusEncoding': 'UTF-8 · LF · {0}',
+  'editor.statusPosition': 'Ln {0}, Col {1}',
+  'editor.statusLineCount': '{0} / {1}',
+  'editor.statusSpaces': 'Spaces: {0}',
 };