feat: add CursorInjector with CGEvent keystroke simulation

MyVoxtral/MyVoxtral/Utilities/CursorInjector.swift

@@ -0,0 +1,29 @@
+import ApplicationServices
+
+struct CursorInjector {
+    static var isAccessibilityGranted: Bool {
+        AXIsProcessTrusted()
+    }
+
+    static func promptAccessibilityPermission() {
+        let options = [kAXTrustedCheckOptionPrompt.takeUnretainedValue() as String: true] as CFDictionary
+        AXIsProcessTrustedWithOptions(options)
+    }
+
+    static func typeText(_ text: String) {
+        guard isAccessibilityGranted else { return }
+
+        let source = CGEventSource(stateID: .hidSystemState)
+
+        for character in text {
+            let string = String(character)
+            let event = CGEvent(keyboardEventSource: source, virtualKey: 0, keyDown: true)
+            event?.keyboardSetUnicodeString(stringLength: string.utf16.count, unicodeString: Array(string.utf16))
+            event?.post(tap: .cghidEventTap)
+
+            let eventUp = CGEvent(keyboardEventSource: source, virtualKey: 0, keyDown: false)
+            eventUp?.keyboardSetUnicodeString(stringLength: string.utf16.count, unicodeString: Array(string.utf16))
+            eventUp?.post(tap: .cghidEventTap)
+        }
+    }
+}