fix(chat): update unlock response contract

src/data/schemas/chat/unlock_private_response.ts

@@ -1,23 +1,21 @@
-/**
- * 私密消息解锁响应
- */
 import { z } from "zod";
 
-export const UnlockPrivateReasonSchema = z.enum([
-  "ok",
-  "quota_exceeded",
-  "not_private",
-  "not_found",
-]);
+import { ChatLockDetailSchema } from "./chat_payloads";
+
+/**
+ * 单条历史付费 / 私密消息解锁响应。
+ */
+export const UnlockPrivateReasonSchema = z.string().default("");
 
 export const UnlockPrivateResponseSchema = z.object({
   unlocked: z.boolean(),
-  content: z.string().nullable(),
-  showUpgrade: z.boolean().default(false),
-  paywallTriggered: z.boolean().default(false),
-  privateFreeLimit: z.number().default(0),
-  privateUsedToday: z.number().default(0),
+  content: z.string().default(""),
   reason: UnlockPrivateReasonSchema,
+  creditBalance: z.number().default(0),
+  creditsCharged: z.number().default(0),
+  requiredCredits: z.number().default(0),
+  shortfallCredits: z.number().default(0),
+  lockDetail: ChatLockDetailSchema,
 });
 
 export type UnlockPrivateReason = z.output<typeof UnlockPrivateReasonSchema>;