feat(user): sync entitlement snapshot

src/stores/user/__tests__/user-machine.helpers.test.ts

@@ -1,6 +1,9 @@
 import { describe, expect, it } from "vitest";
 
-import { toView } from "@/stores/user/user-machine.helpers";
+import {
+  applyEntitlementSnapshotToView,
+  toView,
+} from "@/stores/user/user-machine.helpers";
 
 describe("toView", () => {
   it("fills optional user fields with stable defaults", () => {
@@ -11,6 +14,8 @@ describe("toView", () => {
       avatarUrl: "",
       intimacy: 0,
       dolBalance: 0,
+      creditBalance: 0,
+      vipExpiresAt: null,
       relationshipStage: "",
       currentMood: "",
       isGuest: false,
@@ -28,6 +33,8 @@ describe("toView", () => {
         avatarUrl: "https://example.com/avatar.png",
         intimacy: 42,
         dolBalance: 12,
+        creditBalance: 120,
+        vipExpiresAt: "2026-07-26T00:00:00+00:00",
         relationshipStage: "close_friend",
         currentMood: "playful",
         isGuest: true,
@@ -41,6 +48,8 @@ describe("toView", () => {
       avatarUrl: "https://example.com/avatar.png",
       intimacy: 42,
       dolBalance: 12,
+      creditBalance: 120,
+      vipExpiresAt: "2026-07-26T00:00:00+00:00",
       relationshipStage: "close_friend",
       currentMood: "playful",
       isGuest: true,
@@ -48,4 +57,19 @@ describe("toView", () => {
       voiceMinutesRemaining: 30,
     });
   });
+
+  it("merges entitlement snapshot into user view fields", () => {
+    const user = toView({ id: "user-3", username: "Nora", isVip: false });
+
+    expect(
+      applyEntitlementSnapshotToView(user, {
+        isVip: true,
+        creditBalance: 120,
+      }),
+    ).toMatchObject({
+      isVip: true,
+      creditBalance: 120,
+      dolBalance: 120,
+    });
+  });
 });