web: add terminal font size setting (#324)

web/src/lib/locales/en.ts

@@ -258,6 +258,7 @@ export default {
   'settings.display.appearance.dark': 'Dark',
   'settings.display.appearance.light': 'Light',
   'settings.display.fontSize': 'Font Size',
+  'settings.display.terminalFontSize': 'Terminal Font Size',
   'settings.voice.title': 'Voice Assistant',
   'settings.voice.language': 'Voice Language',
   'settings.voice.autoDetect': 'Auto-detect',

web/src/lib/locales/zh-CN.ts

@@ -260,6 +260,7 @@ export default {
   'settings.display.appearance.dark': '深色',
   'settings.display.appearance.light': '浅色',
   'settings.display.fontSize': '字体大小',
+  'settings.display.terminalFontSize': '终端字体大小',
   'settings.voice.title': '语音助手',
   'settings.voice.language': '语音语言',
   'settings.voice.autoDetect': '自动检测',