feat: conditional buy me a coffee

Gaze/Services/AppStoreDetector.swift

@@ -0,0 +1,28 @@
+//
+//  AppStoreDetector.swift
+//  Gaze
+//
+//  Created by Mike Freno on 1/10/26.
+//
+
+import Foundation
+
+enum AppStoreDetector {
+    /// Returns true if the app was downloaded from the Mac App Store
+    static var isAppStoreVersion: Bool {
+        #if DEBUG
+            return false
+        #else
+            guard let receiptURL = Bundle.main.appStoreReceiptURL else {
+                return false
+            }
+
+            // Check if receipt exists and is in the expected App Store location
+            let fileManager = FileManager.default
+            let receiptExists = fileManager.fileExists(atPath: receiptURL.path)
+            let isInMASReceipt = receiptURL.path.contains("_MASReceipt")
+
+            return receiptExists && isInMASReceipt
+        #endif
+    }
+}

Gaze/Views/Onboarding/BlinkSetupView.swift

@@ -101,13 +101,15 @@ struct BlinkSetupView: View {
                 Button(action: {
                     showPreviewWindow()
                 }) {
-                    HStack {
+                    HStack(spacing: 8) {
                         Image(systemName: "eye")
-                            .foregroundColor(.accentColor)
+                            .foregroundColor(.white)
                         Text("Preview Reminder")
                             .font(.headline)
+                            .foregroundColor(.white)
                     }
-                    .frame(maxWidth: .infinity, minHeight: 44, alignment: .center)
+                    .padding(.horizontal, 16)
+                    .padding(.vertical, 10)
                 }
                 .glassEffect(.regular.tint(.accentColor).interactive(), in: .rect(cornerRadius: 10))
             }

Gaze/Views/Onboarding/LookAwaySetupView.swift

@@ -122,13 +122,15 @@ struct LookAwaySetupView: View {
                 Button(action: {
                     showPreviewWindow()
                 }) {
-                    HStack {
+                    HStack(spacing: 8) {
                         Image(systemName: "eye")
-                            .foregroundColor(.accentColor)
+                            .foregroundColor(.white)
                         Text("Preview Reminder")
                             .font(.headline)
+                            .foregroundColor(.white)
                     }
-                    .frame(maxWidth: .infinity, minHeight: 44, alignment: .center)
+                    .padding(.horizontal, 16)
+                    .padding(.vertical, 10)
                 }
                 .glassEffect(.regular.tint(.accentColor).interactive(), in: .rect(cornerRadius: 10))
             }

Gaze/Views/Onboarding/PostureSetupView.swift

@@ -101,13 +101,15 @@ struct PostureSetupView: View {
                 Button(action: {
                     showPreviewWindow()
                 }) {
-                    HStack {
+                    HStack(spacing: 8) {
                         Image(systemName: "eye")
-                            .foregroundColor(.accentColor)
+                            .foregroundColor(.white)
                         Text("Preview Reminder")
                             .font(.headline)
+                            .foregroundColor(.white)
                     }
-                    .frame(maxWidth: .infinity, minHeight: 44, alignment: .center)
+                    .padding(.horizontal, 16)
+                    .padding(.vertical, 10)
                 }
                 .glassEffect(.regular.tint(.accentColor).interactive(), in: .rect(cornerRadius: 10))
             }

Gaze/Views/Onboarding/SettingsOnboardingView.swift

@@ -132,7 +132,7 @@ struct SettingsOnboardingView: View {
                         .buttonStyle(.plain)
                         .glassEffect(.regular.interactive(), in: .rect(cornerRadius: 10))
 
-                        // Buy Me a Coffee
+                        if !AppStoreDetector.isAppStoreVersion {
                             Button(action: {
                                 if let url = URL(string: "https://buymeacoffee.com/placeholder") {
                                     NSWorkspace.shared.open(url)
@@ -163,6 +163,7 @@ struct SettingsOnboardingView: View {
                             .glassEffect(
                                 .regular.tint(.orange).interactive(), in: .rect(cornerRadius: 10))
                         }
+                    }
                     .padding()
                 }
             }

GazeTests/Services/AppStoreDetectorTests.swift

@@ -0,0 +1,17 @@
+//
+//  AppStoreDetectorTests.swift
+//  GazeTests
+//
+//  Created by Mike Freno on 1/10/26.
+//
+
+@testable import Gaze
+import Testing
+
+struct AppStoreDetectorTests {
+    
+    @Test func isAppStoreVersionReturnsFalseInDebug() {
+        // In test/debug builds, should always return false
+        #expect(AppStoreDetector.isAppStoreVersion == false)
+    }
+}