补齐桌面壳剪贴板Unicode截断覆盖

桌面壳剪贴板测试覆盖多字节文本按字符截断

桌面壳配置检查反查剪贴板 Unicode 截断用例

apps/desktop-shell/scripts/check-config.mjs

@@ -1882,6 +1882,7 @@ for (const snippet of [
   'read_desktop_clipboard_text(app)',
   'normalize_clipboard_text(&text)',
   'required_string_payload(request, "text")',
+  'truncated.chars().count()',
   '"text": text',
 ]) {
   if (!desktopHostBridgeClipboardSource.includes(snippet)) {

apps/desktop-shell/src-tauri/src/host_bridge/clipboard.rs

@@ -68,6 +68,11 @@ mod tests {
             normalize_clipboard_text(&"a".repeat(CLIPBOARD_TEXT_MAX_LENGTH + 10)).len(),
             CLIPBOARD_TEXT_MAX_LENGTH
         );
+
+        let unicode_text = "猫".repeat(CLIPBOARD_TEXT_MAX_LENGTH + 10);
+        let truncated = normalize_clipboard_text(&unicode_text);
+        assert_eq!(truncated.chars().count(), CLIPBOARD_TEXT_MAX_LENGTH);
+        assert!(truncated.ends_with('猫'));
     }
 
     #[test]