feat(sts): add server side speech-to-text

lib/l10n/app_zh.arb

@@ -307,6 +307,16 @@
   "chatSettings": "对话",
   "sendOnEnter": "回车发送",
   "sendOnEnterDescription": "回车发送（软键盘）。Cmd/Ctrl+Enter 也可用",
+  "sttSettings": "语音转文字",
+  "sttEngineLabel": "识别引擎",
+  "sttEngineAuto": "自动",
+  "sttEngineDevice": "本机",
+  "sttEngineServer": "服务器",
+  "sttEngineAutoDescription": "在可用时使用本机识别，否则切换到你的服务器。",
+  "sttEngineDeviceDescription": "音频会保留在此设备上。如果设备不支持语音识别，语音输入将不可用。",
+  "sttEngineServerDescription": "始终将录音发送到你的 Conduit 服务器进行转写。",
+  "sttDeviceUnavailableWarning": "此设备不支持本机语音识别。",
+  "sttServerUnavailableWarning": "连接到启用转写功能的服务器后才能使用此选项。",
   "ttsSettings": "文本转语音",
   "ttsVoice": "语音",
   "ttsSpeechRate": "语速",