fix(mobile): persist matches tutorial dismissal

apps/mobile/src/__tests__/lib/matchesTutorialSeen.test.ts

@@ -0,0 +1,45 @@
+import AsyncStorage from "@react-native-async-storage/async-storage";
+import * as SecureStore from "expo-secure-store";
+import {
+    hasSeenMatchesTutorial,
+    markMatchesTutorialSeen,
+    resetMatchesTutorial,
+} from "@/lib/matchesTutorialSeen";
+
+jest.mock("expo-secure-store", () => ({
+    getItemAsync: jest.fn(),
+}));
+
+describe("matchesTutorialSeen", () => {
+    beforeEach(async () => {
+        await AsyncStorage.clear();
+        jest.mocked(SecureStore.getItemAsync).mockReset();
+        jest.mocked(SecureStore.getItemAsync).mockResolvedValue(null);
+    });
+
+    it("persists a dismissal for the signed-in account", async () => {
+        await markMatchesTutorialSeen("user-1");
+
+        await expect(hasSeenMatchesTutorial("user-1")).resolves.toBe(true);
+    });
+
+    it("does not dismiss the tutorial for another account on the same device", async () => {
+        await markMatchesTutorialSeen("user-1");
+
+        await expect(hasSeenMatchesTutorial("user-2")).resolves.toBe(false);
+    });
+
+    it("migrates an existing legacy dismissal into durable account storage", async () => {
+        jest.mocked(SecureStore.getItemAsync).mockResolvedValue("true");
+
+        await expect(hasSeenMatchesTutorial("user-1")).resolves.toBe(true);
+        await expect(AsyncStorage.getItem("matches_tutorial_seen_user-1")).resolves.toBe("true");
+    });
+
+    it("lets the development reset show the tutorial for the current account again", async () => {
+        await markMatchesTutorialSeen("user-1");
+        await resetMatchesTutorial("user-1");
+
+        await expect(hasSeenMatchesTutorial("user-1")).resolves.toBe(false);
+    });
+});