[feat] add system language support across desktop and mobile

apps/ios/CrossDeskMobile/Input/RemoteSystemKeyboard.swift

@@ -321,13 +321,13 @@ final class RemoteKeyboardInputBar: UIView {
         heightConstraint.isActive = true
 
         let computerButton = UIButton(type: .system)
-        computerButton.setTitle("电脑键盘", for: .normal)
+        computerButton.setTitle(NSLocalizedString("电脑键盘", comment: ""), for: .normal)
         computerButton.titleLabel?.font = .systemFont(ofSize: 15, weight: .medium)
-        computerButton.accessibilityLabel = "切换到电脑键盘"
+        computerButton.accessibilityLabel = NSLocalizedString("切换到电脑键盘", comment: "")
         computerButton.addTarget(self, action: #selector(switchToComputer), for: .touchUpInside)
 
         let dismissButton = RemoteKeyboardDismissButton.makeButton()
-        dismissButton.accessibilityLabel = "收起系统键盘"
+        dismissButton.accessibilityLabel = NSLocalizedString("收起系统键盘", comment: "")
         dismissButton.addTarget(self, action: #selector(hideKeyboard), for: .touchUpInside)
 
         row.axis = .horizontal

apps/ios/CrossDeskMobile/Input/VirtualMouseBar.swift

@@ -64,8 +64,8 @@ private final class VirtualMouseKey: UIView {
         isMultipleTouchEnabled = false
         isAccessibilityElement = true
         accessibilityTraits = kind == .wheel ? [.adjustable] : [.button]
-        accessibilityLabel = kind == .left ? "鼠标左键" : kind == .right ? "鼠标右键" : "鼠标滚轮"
-        accessibilityHint = kind == .wheel ? "上下滑动，可滑出按键范围" : "按住并拖动，可滑出按键范围，松开结束拖拽"
+        accessibilityLabel = kind == .left ? NSLocalizedString("鼠标左键", comment: "") : kind == .right ? NSLocalizedString("鼠标右键", comment: "") : NSLocalizedString("鼠标滚轮", comment: "")
+        accessibilityHint = kind == .wheel ? NSLocalizedString("上下滑动，可滑出按键范围", comment: "") : NSLocalizedString("按住并拖动，可滑出按键范围，松开结束拖拽", comment: "")
         face.isUserInteractionEnabled = false
         face.layer.mask = faceMask
         addSubview(face)