feat(chengdu): 添加socket消息解析和路由功能

- 创建SocketEnvelope接口和parseSocketEnvelope函数用于解析socket消息
- 实现createSocketMessageRouter函数用于创建消息路由器
- 配置多种消息类型的路由映射关系
- 支持房间、玩家、回合和状态相关的消息处理
- 提供统一的消息分发机制给相应的处理器

src/views/chengdu/socket/parsers/socketEnvelope.ts

@@ -0,0 +1,20 @@
+import { asRecord, normalizeWsType } from '../../../../game/chengdu/messageNormalizers'
+
+export interface SocketEnvelope {
+  raw: unknown
+  source: Record<string, unknown>
+  normalizedType: string
+}
+
+export function parseSocketEnvelope(message: unknown): SocketEnvelope | null {
+  const source = asRecord(message)
+  if (!source || typeof source.type !== 'string') {
+    return null
+  }
+
+  return {
+    raw: message,
+    source,
+    normalizedType: normalizeWsType(source.type),
+  }
+}

src/views/chengdu/socket/router/socketMessageRouter.ts

@@ -0,0 +1,38 @@
+import type { PlayerHandlerApi, RoomHandlerApi, StatusHandlerApi, TurnHandlerApi } from '../types'
+
+interface SocketMessageRouterDeps {
+  roomHandlers: RoomHandlerApi
+  playerHandlers: PlayerHandlerApi
+  turnHandlers: TurnHandlerApi
+  statusHandlers: StatusHandlerApi
+}
+
+type SocketRouteHandler = (message: unknown) => void
+
+export function createSocketMessageRouter(deps: SocketMessageRouterDeps) {
+  const routes = new Map<string, SocketRouteHandler[]>([
+    ['GET_ROOM_INFO', [deps.roomHandlers.handleRoomInfoResponse]],
+    ['ROOM_INFO', [deps.roomHandlers.handleRoomInfoResponse]],
+    ['ROOM_STATE', [deps.roomHandlers.handleRoomStateResponse]],
+    ['PLAYER_HAND', [deps.playerHandlers.handlePlayerHandResponse]],
+    ['PLAYER_TURN', [deps.turnHandlers.handlePlayerTurn]],
+    ['NEXT_TURN', [deps.turnHandlers.handlePlayerTurn]],
+    ['ACTION_ERROR', [deps.statusHandlers.handleActionError]],
+    ['DING_QUE_COUNTDOWN', [deps.turnHandlers.handleDingQueCountdown]],
+    ['PLAYER_READY', [deps.playerHandlers.handleReadyStateResponse]],
+    ['PLAYER_DING_QUE', [deps.playerHandlers.handlePlayerDingQueResponse]],
+  ])
+
+  function route(normalizedType: string, message: unknown): void {
+    const handlers = routes.get(normalizedType)
+    if (!handlers) {
+      return
+    }
+
+    handlers.forEach((handler) => handler(message))
+  }
+
+  return {
+    route,
+  }
+}