Feat/sandbox setup

.swiftlint.yml

@@ -19,6 +19,7 @@ opt_in_rules: # some rules are only opt-in
 excluded: # paths to ignore during linting. Takes precedence over `included`.
   - Carthage
   - DerivedData
+  - build
   - Pods
   - DerivedData
   - Core/CoreTests

Authorization/Authorization.xcodeproj/project.pbxproj

@@ -45,6 +45,7 @@
 		DE843D6BB1B9DDA398494890 /* Pods_App_Authorization.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 47BCFB7C19382EECF15131B6 /* Pods_App_Authorization.framework */; };
 		E03261642AE64676002CA7EB /* StartupViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = E03261632AE64676002CA7EB /* StartupViewModel.swift */; };
 		E03261662AE64AF4002CA7EB /* StartupView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E03261652AE64AF4002CA7EB /* StartupView.swift */; };
+		E03261682AE64AF4002CA7EB /* SandboxSplashView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E03261672AE64AF4002CA7EB /* SandboxSplashView.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -119,6 +120,7 @@
 		CEB25A002CC13A36007FC792 /* SocialAuthResponse.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SocialAuthResponse.swift; sourceTree = "<group>"; };
 		E03261632AE64676002CA7EB /* StartupViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StartupViewModel.swift; sourceTree = "<group>"; };
 		E03261652AE64AF4002CA7EB /* StartupView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StartupView.swift; sourceTree = "<group>"; };
+		E03261672AE64AF4002CA7EB /* SandboxSplashView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SandboxSplashView.swift; sourceTree = "<group>"; };
 		E78971D8E6ED2116BBF9FD66 /* Pods-App-Authorization.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-App-Authorization.release.xcconfig"; path = "Target Support Files/Pods-App-Authorization/Pods-App-Authorization.release.xcconfig"; sourceTree = "<group>"; };
 		F52826C68AEA1CF4769389EA /* Pods-App-Authorization.releasestage.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-App-Authorization.releasestage.xcconfig"; path = "Target Support Files/Pods-App-Authorization/Pods-App-Authorization.releasestage.xcconfig"; sourceTree = "<group>"; };
 		F5802BBA113276950ABCD9B3 /* Pods-App-Authorization.releaseprod.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-App-Authorization.releaseprod.xcconfig"; path = "Target Support Files/Pods-App-Authorization/Pods-App-Authorization.releaseprod.xcconfig"; sourceTree = "<group>"; };
@@ -364,6 +366,7 @@
 			children = (
 				E03261632AE64676002CA7EB /* StartupViewModel.swift */,
 				E03261652AE64AF4002CA7EB /* StartupView.swift */,
+				E03261672AE64AF4002CA7EB /* SandboxSplashView.swift */,
 			);
 			path = Startup;
 			sourceTree = "<group>";
@@ -580,6 +583,7 @@
 				02F3BFE5292533720051930C /* AuthorizationRouter.swift in Sources */,
 				99C1654F2C0C4F5900DC384D /* SSOWebView.swift in Sources */,
 				E03261662AE64AF4002CA7EB /* StartupView.swift in Sources */,
+				E03261682AE64AF4002CA7EB /* SandboxSplashView.swift in Sources */,
 				071009C728D1DA4F00344290 /* SignInViewModel.swift in Sources */,
 				BA8B3A322AD5487300D25EF5 /* SocialAuthView.swift in Sources */,
 				99C1654D2C0C4F2F00DC384D /* SSOHelper.swift in Sources */,

Authorization/Authorization/Presentation/Login/SignInView.swift

@@ -52,7 +52,7 @@ public struct SignInView: View {
                 ThemeAssets.appLogo.swiftUIImage
                     .resizable()
                     .aspectRatio(contentMode: .fit)
-                    .frame(maxWidth: 189, maxHeight: 89)
+                    .frame(maxWidth: 263, maxHeight: 76)
                     .padding(.top, isHorizontal ? 20 : 40)
                     .padding(.bottom, isHorizontal ? 10 : 40)
                     .accessibilityIdentifier("logo_image")

Authorization/Authorization/Presentation/Registration/SignUpViewModel.swift

@@ -162,7 +162,11 @@ import MSAL
 
     private func configureFields() -> [String: String] {
         var validateFields: [String: String] = [:]
-        fields.forEach { validateFields[$0.field.name] = $0.text }
+        fields.forEach { field in
+            if field.field.required || !field.text.isEmpty {
+                validateFields[field.field.name] = field.text
+            }
+        }
         validateFields["honor_code"] = "true"
         validateFields["terms_of_service"] = "true"
         if let externalToken = externalToken, let backend = backend {

Authorization/Authorization/Presentation/Startup/SandboxSplashView.swift

@@ -0,0 +1,100 @@
+//
+//  SandboxSplashView.swift
+//  Authorization
+//
+
+import SwiftUI
+import Core
+import Theme
+
+public struct SandboxSplashView: View {
+
+    @Environment(\.isHorizontal) private var isHorizontal
+
+    private let router: AuthorizationRouter
+
+    public init(router: AuthorizationRouter) {
+        self.router = router
+    }
+
+    public var body: some View {
+        ZStack(alignment: .top) {
+            VStack {
+                ThemeAssets.headerBackground.swiftUIImage
+                    .resizable()
+                    .edgesIgnoringSafeArea(.top)
+                    .accessibilityIdentifier("sandbox_splash_bg_image")
+            }
+            .frame(maxWidth: .infinity, maxHeight: 200)
+
+            VStack(alignment: .center) {
+                ThemeAssets.appLogo.swiftUIImage
+                    .resizable()
+                    .aspectRatio(contentMode: .fit)
+                    .frame(maxWidth: 263, maxHeight: 76)
+                    .padding(.top, isHorizontal ? 20 : 40)
+                    .padding(.bottom, isHorizontal ? 10 : 40)
+                    .accessibilityIdentifier("sandbox_splash_logo")
+
+                GeometryReader { proxy in
+                    ScrollView {
+                        VStack(alignment: .center, spacing: 16) {
+                            Text("Welcome to the Open edX\u{00AE} Mobile App")
+                                .font(Theme.Fonts.displaySmall)
+                                .foregroundColor(Theme.Colors.textPrimary)
+                                .multilineTextAlignment(.center)
+                                .padding(.top, 8)
+                                .accessibilityIdentifier("sandbox_splash_title")
+
+                            Text(
+                                "This app was built for you to explore the Open edX\u{00AE} Mobile App. "
+                                + "Courses are for demonstration purposes only."
+                            )
+                            .font(Theme.Fonts.titleSmall)
+                            .foregroundColor(Theme.Colors.textPrimary)
+                            .multilineTextAlignment(.center)
+                            .accessibilityIdentifier("sandbox_splash_subtitle")
+
+                            StyledButton(
+                                "Start Exploring",
+                                action: {
+                                    router.showLoginScreen(sourceScreen: .default)
+                                },
+                                iconImage: CoreAssets.arrowRight16.swiftUIImage,
+                                iconPosition: .right
+                            )
+                            .frame(maxWidth: .infinity)
+                            .padding(.top, 24)
+                            .accessibilityIdentifier("sandbox_splash_start_button")
+
+                            Spacer()
+                        }
+                        .padding(.horizontal, 24)
+                        .padding(.top, 50)
+                        .frameLimit(width: proxy.size.width)
+                    }
+                    .roundedBackground(Theme.Colors.loginBackground)
+                }
+            }
+        }
+        .navigationBarHidden(true)
+        .ignoresSafeArea(.all, edges: .horizontal)
+        .background(Theme.Colors.background.ignoresSafeArea(.all))
+    }
+}
+
+#if DEBUG
+struct SandboxSplashView_Previews: PreviewProvider {
+    static var previews: some View {
+        SandboxSplashView(router: AuthorizationRouterMock())
+            .preferredColorScheme(.light)
+            .previewDisplayName("SandboxSplashView Light")
+            .loadFonts()
+
+        SandboxSplashView(router: AuthorizationRouterMock())
+            .preferredColorScheme(.dark)
+            .previewDisplayName("SandboxSplashView Dark")
+            .loadFonts()
+    }
+}
+#endif

Core/Core/Configuration/Connectivity.swift

@@ -40,6 +40,8 @@ public class Connectivity: ConnectivityProtocol {
     // MARK: - Observable property (new way)
     public private(set) var internetState: InternetState? {
         didSet {
+            // Don't re-emit an unchanged state — repeated .notReachable sends re-trigger the offline snackbar
+            guard oldValue != internetState else { return }
             // Keep backward compatibility - update Combine subject
             internetReachableSubject.send(internetState)
         }

Open edX Sandbox.ssgen/project.json

@@ -0,0 +1,155 @@
+{
+  "appInfo" : {
+    "description" : "Open edx mobile application in a test environment.",
+    "name" : "Open edX Sandbox"
+  },
+  "backgroundGroups" : [
+    {
+      "createdAt" : "2026-03-16T13:51:48Z",
+      "id" : "9E42C8F6-B4A0-4BD3-9A55-EBED3B1F5D4D",
+      "panoramicImageFilename" : "panoramic_9E42C8F6-B4A0-4BD3-9A55-EBED3B1F5D4D.png",
+      "prompt" : "Generate a BACKGROUND image for App Store marketing.\n\nUSE EXACTLY THESE COLORS (mandatory):\n- #3E5EC2\n- #082B4D\n- #CC3165\n\nThe background MUST use these exact colors or darker\/more saturated versions of them.\nCreate smooth gradients and large soft shapes using ONLY these colors.\n\nDESIGN REQUIREMENTS:\n- Minimalist flat design\n- Large soft rounded geometric shapes\n- Smooth color transitions between the 3 colors\n- Premium, professional, advertising-ready aesthetic\n\nSTRICTLY FORBIDDEN:\n- ANY white, off-white, cream, or light colors\n- ANY shadows or drop shadows\n- ANY lighting effects or glows\n- Colors NOT in the palette above\n- Text, icons, UI elements, people, objects, devices\n\nComposition: Asymmetric balanced layout with 2-3 large rounded forms on dark background from palette\n\nWhite text must be easily readable on the background.",
+      "style" : "abstract"
+    },
+    {
+      "createdAt" : "2026-03-16T13:51:42Z",
+      "id" : "6FB20265-02CB-4061-ADC3-CE55D3FEECA1",
+      "panoramicImageFilename" : "panoramic_6FB20265-02CB-4061-ADC3-CE55D3FEECA1.png",
+      "prompt" : "Generate a BACKGROUND image for App Store marketing.\n\nUSE EXACTLY THESE COLORS (mandatory):\n- #3E5EC2\n- #082B4D\n- #CC3165\n\nThe background MUST use these exact colors or darker\/more saturated versions of them.\nCreate smooth gradients and large soft shapes using ONLY these colors.\n\nDESIGN REQUIREMENTS:\n- Minimalist flat design\n- Large soft rounded geometric shapes\n- Smooth color transitions between the 3 colors\n- Premium, professional, advertising-ready aesthetic\n\nSTRICTLY FORBIDDEN:\n- ANY white, off-white, cream, or light colors\n- ANY shadows or drop shadows\n- ANY lighting effects or glows\n- Colors NOT in the palette above\n- Text, icons, UI elements, people, objects, devices\n\nComposition: Centered radial composition with soft expanding circles\n\nWhite text must be easily readable on the background.",
+      "style" : "abstract"
+    },
+    {
+      "createdAt" : "2026-03-16T13:51:34Z",
+      "id" : "FC40496F-BDC1-470F-A9C1-17484E613DA4",
+      "panoramicImageFilename" : "panoramic_FC40496F-BDC1-470F-A9C1-17484E613DA4.png",
+      "prompt" : "Generate a BACKGROUND image for App Store marketing.\n\nUSE EXACTLY THESE COLORS (mandatory):\n- #3E5EC2\n- #082B4D\n- #CC3165\n\nThe background MUST use these exact colors or darker\/more saturated versions of them.\nCreate smooth gradients and large soft shapes using ONLY these colors.\n\nDESIGN REQUIREMENTS:\n- Minimalist flat design\n- Large soft rounded geometric shapes\n- Smooth color transitions between the 3 colors\n- Premium, professional, advertising-ready aesthetic\n\nSTRICTLY FORBIDDEN:\n- ANY white, off-white, cream, or light colors\n- ANY shadows or drop shadows\n- ANY lighting effects or glows\n- Colors NOT in the palette above\n- Text, icons, UI elements, people, objects, devices\n\nComposition: Large diagonal soft shapes flowing from bottom-left to top-right\n\nWhite text must be easily readable on the background.",
+      "style" : "abstract"
+    }
+  ],
+  "colorPalette" : {
+    "accentColor" : "#CC3266",
+    "allColors" : [
+      "#19212F",
+      "#E6E7E8",
+      "#092B4E",
+      "#97A5BB",
+      "#C2C3BD",
+      "#18191A",
+      "#3250A8",
+      "#C3C8C4"
+    ],
+    "backgroundColor" : "#E6E7E8",
+    "primaryColor" : "#19212F",
+    "secondaryColor" : "#092B4E",
+    "suggestedGradients" : [
+      [
+        "#19212F",
+        "#41567B"
+      ],
+      [
+        "#19212F",
+        "#092B4E"
+      ],
+      [
+        "#41567B",
+        "#000000"
+      ],
+      [
+        "#CC3266",
+        "#FF3E7F"
+      ]
+    ]
+  },
+  "customGradients" : [
+
+  ],
+  "designVariants" : [
+    {
+      "createdAt" : "2026-03-16T13:43:34Z",
+      "globalBackgroundColors" : [
+
+      ],
+      "globalBackgroundStyle" : "ai_generated:panoramic",
+      "globalDeviceFrame" : "iphone-deep-blue",
+      "globalIPadDeviceFrame" : "ipad-stroke-black",
+      "id" : "EF313D21-6805-4B4D-AA0C-6BD2BE742208",
+      "name" : "Variant A",
+      "screenshots" : [
+        {
+          "backgroundColors" : [
+
+          ],
+          "backgroundStyle" : "ai_generated:panoramic",
+          "deviceFrame" : "iphone-deep-blue",
+          "id" : "6B4BA7EF-1CBE-4D17-B35D-8D36622DFD26",
+          "iphoneImageFilename" : "6B4BA7EF-1CBE-4D17-B35D-8D36622DFD26_iphone.png",
+          "layout" : "device_top",
+          "overlayElements" : [
+
+          ],
+          "subtitle" : "Track progress and continue your learning journey.",
+          "title" : "Your Personalized Learning Hub"
+        },
+        {
+          "backgroundColors" : [
+
+          ],
+          "backgroundStyle" : "ai_generated:panoramic",
+          "deviceFrame" : "iphone-deep-blue",
+          "id" : "38C0D365-07CE-4A4F-941D-F0D0EA7F0ED6",
+          "iphoneImageFilename" : "38C0D365-07CE-4A4F-941D-F0D0EA7F0ED6_iphone.png",
+          "layout" : "device_bottom",
+          "overlayElements" : [
+
+          ],
+          "subtitle" : "Understand content, objectives, and enroll instantly.",
+          "title" : "Dive Into Course Details"
+        },
+        {
+          "backgroundColors" : [
+
+          ],
+          "backgroundStyle" : "ai_generated:panoramic",
+          "deviceFrame" : "iphone-deep-blue",
+          "id" : "F9FCE3B6-BE0C-4828-AC79-60BD86B1AE4D",
+          "iphoneImageFilename" : "F9FCE3B6-BE0C-4828-AC79-60BD86B1AE4D_iphone.png",
+          "layout" : "device_top",
+          "overlayElements" : [
+
+          ],
+          "subtitle" : "Search and explore courses effortlessly.",
+          "title" : "Discover New Courses"
+        },
+        {
+          "backgroundColors" : [
+
+          ],
+          "backgroundStyle" : "ai_generated:panoramic",
+          "deviceFrame" : "iphone-deep-blue",
+          "id" : "53B18FC8-BEC1-4A9B-B28B-9515C840502C",
+          "iphoneImageFilename" : "53B18FC8-BEC1-4A9B-B28B-9515C840502C_iphone.png",
+          "layout" : "device_bottom",
+          "overlayElements" : [
+
+          ],
+          "subtitle" : "Navigate lessons, track progress, and learn efficiently.",
+          "title" : "Master Your Coursework"
+        }
+      ],
+      "selectedBackgroundGroupId" : "9E42C8F6-B4A0-4BD3-9A55-EBED3B1F5D4D"
+    }
+  ],
+  "deviceType" : "iPhone",
+  "isPrimaryColorAutoDetected" : true,
+  "localization" : {
+    "selectedLanguageIds" : [
+
+    ],
+    "sourceLanguageId" : "en-US"
+  },
+  "primaryColorHex" : "#18202E",
+  "selectedGroupId" : "9E42C8F6-B4A0-4BD3-9A55-EBED3B1F5D4D",
+  "selectedScreenshotIndex" : 0,
+  "selectedVariantIndex" : 0,
+  "version" : "1.0"
+}