From 61f2dec93a62c2178c19418e2e057ce4a215dfdf Mon Sep 17 00:00:00 2001
From: kdletters <kdletters@qq.com>
Date: Sat, 20 Jun 2026 04:13:44 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E9=BD=90=E6=A1=8C=E9=9D=A2=E5=A3=B3?=
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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               | 1 +
 apps/desktop-shell/src-tauri/src/host_bridge/clipboard.rs | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/apps/desktop-shell/scripts/check-config.mjs b/apps/desktop-shell/scripts/check-config.mjs
index af15eb823..d1ffd3d7a 100644
--- a/apps/desktop-shell/scripts/check-config.mjs
+++ b/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)) {
diff --git a/apps/desktop-shell/src-tauri/src/host_bridge/clipboard.rs b/apps/desktop-shell/src-tauri/src/host_bridge/clipboard.rs
index e7569416d..3658e251a 100644
--- a/apps/desktop-shell/src-tauri/src/host_bridge/clipboard.rs
+++ b/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]