refactor(schemas): group network schemas by direction

Move request and response schemas into matching subdirectories, extract the shared chat lock type, and update barrels and imports without changing wire formats.

src/data/schemas/chat/response/chat_history_response.ts

@@ -0,0 +1,26 @@
+/**
+ * 聊天历史响应
+ * 
+ */
+import { z } from "zod";
+
+import {
+  arrayOrEmpty,
+  booleanOrFalse,
+  numberOrZero,
+} from "../../nullable-defaults";
+import { ChatMessageSchema } from "../chat_message";
+
+export const ChatHistoryResponseSchema = z.object({
+  messages: arrayOrEmpty(ChatMessageSchema),
+  total: numberOrZero,
+  limit: numberOrZero,
+  offset: numberOrZero,
+  isVip: booleanOrFalse,
+  privateFreeLimit: numberOrZero,
+  privateUsedToday: numberOrZero,
+  privateCanViewFree: booleanOrFalse,
+});
+
+export type ChatHistoryResponseInput = z.input<typeof ChatHistoryResponseSchema>;
+export type ChatHistoryResponseData = z.output<typeof ChatHistoryResponseSchema>;