feat(call): add streaming voice call experience

src/data/schemas/user/__tests__/user.test.ts

@@ -134,11 +134,26 @@ describe("User", () => {
           photo: 40,
         },
       },
+      voiceCallBilling: {
+        enabled: true,
+        protocolVersion: 2,
+        chargeMode: "per_turn",
+        sharesNormalChatFreeDaily: true,
+        freeTurnsDaily: 30,
+        costPerPaidTurn: 2,
+        usageType: "voice_call_turn",
+        legacyMinuteCostUsed: false,
+      },
     });
 
     expect(entitlements.isVip).toBe(true);
     expect(entitlements.creditBalance).toBe(120);
     expect(entitlements.historyUnlock.costs.photo).toBe(40);
+    expect(entitlements.voiceCallBilling).toMatchObject({
+      protocolVersion: 2,
+      chargeMode: "per_turn",
+      costPerPaidTurn: 2,
+    });
   });
 
   it("defaults nullable entitlement sections through schema helpers", () => {

src/data/schemas/user/user_entitlements.ts

@@ -49,6 +49,17 @@ const HISTORY_UNLOCK_DEFAULTS = {
   costs: HISTORY_UNLOCK_COSTS_DEFAULTS,
 } as const;
 
+const VOICE_CALL_BILLING_DEFAULTS = {
+  enabled: false,
+  protocolVersion: 2,
+  chargeMode: "per_turn",
+  sharesNormalChatFreeDaily: true,
+  freeTurnsDaily: 0,
+  costPerPaidTurn: 0,
+  usageType: "voice_call_turn",
+  legacyMinuteCostUsed: false,
+} as const;
+
 export const UserEntitlementsPolicySchema = z
   .object({
     membershipState: stringOrEmpty,
@@ -105,6 +116,20 @@ export const UserEntitlementsHistoryUnlockSchema = z
   .passthrough()
   .readonly();
 
+export const VoiceCallBillingSchema = z
+  .object({
+    enabled: booleanOrFalse,
+    protocolVersion: numberOrZero,
+    chargeMode: stringOrEmpty,
+    sharesNormalChatFreeDaily: booleanOrFalse,
+    freeTurnsDaily: numberOrZero,
+    costPerPaidTurn: numberOrZero,
+    usageType: stringOrEmpty,
+    legacyMinuteCostUsed: booleanOrFalse,
+  })
+  .passthrough()
+  .readonly();
+
 export const UserEntitlementsSchema = z
   .object({
     userId: stringOrEmpty,
@@ -120,6 +145,10 @@ export const UserEntitlementsSchema = z
       UserEntitlementsHistoryUnlockSchema,
       HISTORY_UNLOCK_DEFAULTS,
     ),
+    voiceCallBilling: schemaOr(
+      VoiceCallBillingSchema,
+      VOICE_CALL_BILLING_DEFAULTS,
+    ),
   })
   .readonly();