fix: 修复 Windows 上 Ctrl+V 粘贴失效，改用 KeyDown/KeyUp 手动控制修饰键

internal/paste/paste.go

@@ -43,13 +43,20 @@ func ClipboardOnly(text string) {
 }
 
 func simulatePaste() error {
+	var modifier, key string
 	switch runtime.GOOS {
 	case "darwin":
-		robotgo.KeyTap("v", "command")
+		modifier, key = "command", "v"
 	case "linux", "windows":
-		robotgo.KeyTap("v", "control")
+		modifier, key = "ctrl", "v"
 	default:
 		return fmt.Errorf("unsupported platform: %s", runtime.GOOS)
 	}
+
+	robotgo.KeyDown(modifier)
+	time.Sleep(20 * time.Millisecond)
+	robotgo.KeyTap(key)
+	time.Sleep(20 * time.Millisecond)
+	robotgo.KeyUp(modifier)
 	return nil
 }