Merge solo sealed answers that unlock on pairing into staging

apps/mobile/src/__tests__/features/swipe/useSwipeScreen.test.ts

@@ -2,6 +2,7 @@ import { act, renderHook, waitFor } from "@testing-library/react-native";
 
 import { useSwipeScreen } from "@/features/swipe/hooks/useSwipeScreen";
 import { ApiError, apiClient } from "@/lib/apiClient";
+import { useAuthStore } from "@/store";
 import * as swipeService from "@/features/swipe/services/swipeService";
 import { getSkippedQuestionIds } from "@/lib/skippedQuestions";
 
@@ -15,12 +16,13 @@ jest.mock("expo-router", () => ({
 // Stable identities: the hook's effects key off these, so fresh objects per render
 // would retrigger the fetch effect forever and the screen would never settle.
 jest.mock("@/store", () => {
-    const auth = { user: { id: "user-1" }, partner: { id: "user-2" }, couple: { id: "couple-1", couple_id: "couple-1" } };
+    const auth = { user: { id: "user-1" }, partner: { id: "user-2" }, couple: { id: "couple-1", couple_id: "couple-1" }, sealedCount: 0 };
     const packs = { enabledPackIds: ["pack-1"], ensureEnabledPacksLoaded: async () => undefined, packs: [] };
     const packState = { ...packs, invalidatePacks: jest.fn() };
     const responses = { invalidateResponses: jest.fn() };
     const useAuthStore = () => auth;
     useAuthStore.getState = () => auth.user;
+    useAuthStore.setState = jest.fn();
     const usePacksStore = () => packs;
     usePacksStore.getState = () => packState;
     const useResponsesStore = () => responses;
@@ -146,6 +148,19 @@ describe("useSwipeScreen daily limit", () => {
         expect(result.current.dailyLimitInfo).toMatchObject({ responses_today: 5, remaining: 5 });
     });
 
+    it("updates the sealed answer count optimistically when the server reports one", async () => {
+        // A solo answer has no partner to match against, so sealed_count is the
+        // only feedback the server gives back; the banner reads it from auth state.
+        const { result } = await renderReady();
+
+        jest.spyOn(apiClient, "post").mockResolvedValueOnce({ match: null, sealed_count: 3 });
+        await act(async () => {
+            await result.current.handleAnswer("q1", "yes");
+        });
+
+        expect(useAuthStore.setState).toHaveBeenCalledWith({ sealedCount: 3 });
+    });
+
     it("refreshes the shared streak once the answer lands", async () => {
         const { result } = await renderReady();
         mockFetchStreak.mockClear();

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

@@ -0,0 +1,22 @@
+import { buildInviteShareMessage } from "../../lib/inviteShareCopy";
+
+describe("buildInviteShareMessage", () => {
+    it("leads with a plain invite when there are no sealed answers", () => {
+        const message = buildInviteShareMessage("ABCD1234", 0);
+        expect(message).toBe(
+            "Join me on Sauci! Tap this link to pair up instantly: https://sauci.app/join/ABCD1234 (or enter code ABCD1234 in the app)"
+        );
+    });
+
+    it("leads with earned value and singular wording for exactly one sealed answer", () => {
+        const message = buildInviteShareMessage("ABCD1234", 1);
+        expect(message).toBe(
+            "Join me on Sauci! I have already answered 1 question about us. Tap this link to unlock them: https://sauci.app/join/ABCD1234 (or enter code ABCD1234 in the app)"
+        );
+    });
+
+    it("pluralises for more than one sealed answer", () => {
+        const message = buildInviteShareMessage("ABCD1234", 5);
+        expect(message).toContain("I have already answered 5 questions about us.");
+    });
+});

apps/mobile/src/__tests__/stores/authStore.test.ts

@@ -30,10 +30,15 @@ const profile = {
 describe("authStore", () => {
     beforeEach(() => {
         jest.clearAllMocks();
+        // fetchUser always fetches couple state now, since it also carries the
+        // sealed answer count for a user who has no couple yet. Individual tests
+        // override this when they care about the couple/partner shape.
+        jest.spyOn(coupleApi, "getState").mockResolvedValue({ couple: null, partner: null, sealed_count: 0 });
         useAuthStore.setState({
             user: null,
             couple: null,
             partner: null,
+            sealedCount: 0,
             isLoading: true,
             isAuthenticated: false,
             isAnonymous: false,
@@ -89,12 +94,12 @@ describe("authStore", () => {
             max_intensity: 3,
         };
         useAuthStore.setState({ user: pairedProfile } as any);
-        const stateSpy = jest.spyOn(coupleApi, "getState").mockResolvedValueOnce({ couple, partner });
+        const stateSpy = jest.spyOn(coupleApi, "getState").mockResolvedValueOnce({ couple, partner, sealed_count: 3 });
 
         await useAuthStore.getState().fetchCouple();
 
         expect(stateSpy).toHaveBeenCalledWith();
-        expect(useAuthStore.getState()).toMatchObject({ couple, partner });
+        expect(useAuthStore.getState()).toMatchObject({ couple, partner, sealedCount: 3 });
     });
 
     it("updates activity through the standalone API", async () => {