feat: continued enforce mode implementation

GazeTests/Services/CameraAccessServiceTests.swift

@@ -0,0 +1,34 @@
+//
+//  CameraAccessServiceTests.swift
+//  GazeTests
+//
+//  Created by Mike Freno on 1/13/26.
+//
+
+import XCTest
+@testable import Gaze
+
+@MainActor
+final class CameraAccessServiceTests: XCTestCase {
+    var cameraService: CameraAccessService!
+    
+    override func setUp() async throws {
+        cameraService = CameraAccessService.shared
+    }
+    
+    func testCameraServiceInitialization() {
+        XCTAssertNotNil(cameraService)
+    }
+    
+    func testCheckCameraAuthorizationStatus() {
+        cameraService.checkCameraAuthorizationStatus()
+        
+        XCTAssertFalse(cameraService.isCameraAuthorized || cameraService.cameraError != nil)
+    }
+    
+    func testIsFaceDetectionAvailable() {
+        let isAvailable = cameraService.isFaceDetectionAvailable()
+        
+        XCTAssertEqual(isAvailable, cameraService.isCameraAuthorized)
+    }
+}