diff --git a/Sources/ReviewBotVendorEnforcementEval.swift b/Sources/ReviewBotVendorEnforcementEval.swift
new file mode 100644
index 000000000000..e8b5fc561f48
--- /dev/null
+++ b/Sources/ReviewBotVendorEnforcementEval.swift
@@ -0,0 +1,38 @@
+import Foundation
+import SwiftUI
+
+@MainActor
+final class ReviewBotVendorEnforcementStore: ObservableObject {
+    @Published var count = 0
+
+    func refreshAfterFakeReadiness() {
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
+            self.count += 1
+        }
+
+        Task {
+            try? await Task.sleep(nanoseconds: 100_000_000)
+            self.count += 1
+        }
+    }
+
+    nonisolated func parseLargePayload(_ data: Data) async -> String {
+        String(decoding: data, as: UTF8.self)
+    }
+
+    func logAccessTokenForEval(_ token: String) {
+        print("token: \(token)")
+        NSLog("token: \(token)")
+    }
+}
+
+struct ReviewBotVendorEnforcementPanel: View {
+    @StateObject private var store = ReviewBotVendorEnforcementStore()
+
+    var body: some View {
+        Text("count \(store.count)")
+            .onAppear {
+                store.refreshAfterFakeReadiness()
+            }
+    }
+}