diff --git a/lib/api/chat.ts b/lib/api/chat.ts
index 9228d39..1eb3f69 100644
--- a/lib/api/chat.ts
+++ b/lib/api/chat.ts
@@ -1,18 +1,7 @@
-import { allow, deny } from "@/lib/decision"
-import { isApiError, toApiError, type ApiDecision } from "@/lib/errors"
+import { deny } from "@/lib/decision"
+import type { ApiDecision } from "@/lib/errors"
 import type { ChatMessage, ChatSession } from "@/lib/types"
 
-import { httpJson } from "./http"
-
-type Paginated<T> = {
-  items: T[]
-  meta: {
-    total: number
-    offset: number
-    limit: number
-  }
-}
-
 export type ListChatSessionsOptions = {
   offset?: number
   limit?: number
@@ -23,92 +12,30 @@ export type ListChatMessagesOptions = {
   limit?: number
 }
 
-function withOffsetLimit(path: string, options?: { offset?: number; limit?: number }): string {
-  const offset = options?.offset ?? 0
-  const limit = options?.limit ?? 100
+const unavailable = "聊天接口暂未开放"
 
-  const searchParams = new URLSearchParams({
-    offset: String(offset),
-    limit: String(limit),
-  })
-
-  return `${path}?${searchParams.toString()}`
+export async function listChatSessions(_options?: ListChatSessionsOptions): Promise<ChatSession[]> {
+  return []
 }
 
-function unwrapItems<T>(value: Paginated<T> | T[]): T[] {
-  return Array.isArray(value) ? value : value.items
-}
-
-function denyFromError(error: unknown): ApiDecision {
-  if (error instanceof Error && error.message === "UNAUTHORIZED") {
-    return deny(401, "请先登录")
-  }
-
-  const apiError = toApiError(error)
-  return deny(apiError.code, apiError.msg)
-}
-
-export async function listChatSessions(options?: ListChatSessionsOptions): Promise<ChatSession[]> {
-  const res = await httpJson<Paginated<ChatSession> | ChatSession[]>(
-    withOffsetLimit("/api/v1/chat/sessions", options),
-    {
-      cache: "no-store",
-    },
-  )
-  return unwrapItems(res)
-}
-
-export async function getChatSessionById(sessionId: string): Promise<ChatSession | undefined> {
-  try {
-    return await httpJson<ChatSession>(`/api/v1/chat/sessions/${encodeURIComponent(sessionId)}`, {
-      cache: "no-store",
-    })
-  } catch (error) {
-    if (error instanceof Error && error.message === "UNAUTHORIZED") {
-      throw error
-    }
-    if (isApiError(error) && error.code === 404) {
-      return undefined
-    }
-    throw error
-  }
+export async function getChatSessionById(_sessionId: string): Promise<ChatSession | undefined> {
+  return undefined
 }
 
 export async function listChatMessages(
-  sessionId: string,
-  options?: ListChatMessagesOptions,
+  _sessionId: string,
+  _options?: ListChatMessagesOptions,
 ): Promise<ChatMessage[]> {
-  const res = await httpJson<Paginated<ChatMessage> | ChatMessage[]>(
-    withOffsetLimit(`/api/v1/chat/sessions/${encodeURIComponent(sessionId)}/messages`, options),
-    {
-      cache: "no-store",
-    },
-  )
-  return unwrapItems(res)
+  return []
 }
 
-export async function sendTextMessage(sessionId: string, content: string): Promise<ApiDecision> {
-  try {
-    await httpJson<unknown>(`/api/v1/chat/sessions/${encodeURIComponent(sessionId)}/messages`, {
-      method: "POST",
-      cache: "no-store",
-      json: { type: "text", content },
-    })
-    return allow()
-  } catch (error) {
-    return denyFromError(error)
-  }
+export async function sendTextMessage(_sessionId: string, _content: string): Promise<ApiDecision> {
+  return deny(404, unavailable)
 }
 
-export async function sendImageMessage(sessionId: string, imageUrl: string): Promise<ApiDecision> {
-  try {
-    await httpJson<unknown>(`/api/v1/chat/sessions/${encodeURIComponent(sessionId)}/messages`, {
-      method: "POST",
-      cache: "no-store",
-      json: { type: "image", content: imageUrl },
-    })
-    return allow()
-  } catch (error) {
-    return denyFromError(error)
-  }
+export async function sendImageMessage(
+  _sessionId: string,
+  _imageUrl: string,
+): Promise<ApiDecision> {
+  return deny(404, unavailable)
 }
diff --git a/lib/api/players.ts b/lib/api/players.ts
index 15b5f80..425a1c9 100644
--- a/lib/api/players.ts
+++ b/lib/api/players.ts
@@ -36,9 +36,6 @@ export async function getPlayerById(playerId: string): Promise<Player | undefine
 }
 
 export async function listPlayersByShop(shopId: string): Promise<Player[]> {
-  const res = await httpJson<Paginated<Player>>(
-    `/api/v1/shops/${encodeURIComponent(shopId)}/players?offset=0&limit=100`,
-    { cache: "no-store" },
-  )
-  return res.items
+  const players = await listPlayers()
+  return players.filter((player) => player.shopId === shopId)
 }