Feature: Implement initial macOS SimpleRemoter client

macos/Permissions.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#import <Foundation/Foundation.h>
+#import <CoreGraphics/CoreGraphics.h>
+#import <ApplicationServices/ApplicationServices.h>
+
+class Permissions {
+public:
+    // Check if screen recording permission is granted
+    // Returns true if granted, false otherwise
+    static bool checkScreenCapture();
+
+    // Request screen recording permission (shows system dialog, macOS 10.15+)
+    static void requestScreenCapture();
+
+    // Check if accessibility permission is granted (for input simulation)
+    // Returns true if granted, false otherwise
+    static bool checkAccessibility();
+
+    // Request accessibility permission (shows system dialog)
+    static void requestAccessibility();
+
+    // Open System Preferences to Screen Recording settings
+    static void openScreenCaptureSettings();
+
+    // Open System Preferences to Accessibility settings
+    static void openAccessibilitySettings();
+
+    // Check all required permissions
+    // Returns true if all permissions are granted
+    static bool checkAllPermissions();
+
+    // Wait for permissions to be granted (blocking)
+    // Returns true if all granted within timeout, false otherwise
+    static bool waitForPermissions(int timeoutSeconds);
+};