Update Chinese strings and bump version

Optimize Chinese display text and bump extension version. Add a README changelog entry for "优化中文显示效果"; simplify several zh_CN locale strings (lock labels shortened to "私有", "登录可见", "公开" and default tag placeholders updated). Also increment manifest version to 2026.03.24.

README.md

@@ -5,6 +5,7 @@ Chrome 应用商店：<https://chrome.google.com/webstore/detail/memos-bber/cbhj
 一个通过浏览器插件发布 [Memos](https://usememos.com/) 的插件。基于 iSpeak-bber 修改，原作者为 [DreamyTZK](https://www.antmoe.com/)。
 
 ## 更新日志
+- 20260323 优化中文显示效果
 - 20260322 适配移动端竖屏窗口
 - 20260310 记忆拖拽窗口大小,移除拖拽窗口动画
 - 20260309 右键发送选中文本保持原格式,增加全屏和窗口放大功能

_locales/zh_CN/messages.json

@@ -33,22 +33,22 @@
       "message": "现在的想法是..."
    },
    "lockPrivate":{
-      "message": "仅自己可见"
+      "message": "私有"
    },
    "lockProtected":{
-      "message": "登录用户可见"
+      "message": "登录可见"
    },
    "lockPublic":{
-      "message": "所有人可见"
+      "message": "公开"
    },
    "submitBtn":{
       "message": "记下"
    },
    "placeHideInput":{
-      "message": "默认“仅自己可见”标签名"
+      "message": "默认“私有”标签名"
    },
    "placeShowInput":{
-      "message": "默认“所有人可见”标签名"
+      "message": "默认“公开”标签名"
    },
    "picDrag":{
       "message": "拖拽到窗口上传该图片"

manifest.json

@@ -2,7 +2,7 @@
    "manifest_version": 3,
    "name": "__MSG_extName__",
    "default_locale": "en",
-   "version": "2026.03.23",
+   "version": "2026.03.24",
    "version_name": "Supports 0.15.0 - 0.26.x",
    "action": {
       "default_popup": "popup.html",