/** * Chat 状态机:State 形状 + 初始值 * * 注:GuestChatQuota 仍位于 chat-machine.ts(属于业务常量,与上下文配对紧密)。 * * 历史: * - `isGuest: boolean` 字段已**删**(由 chat-screen 派生自 `auth.loginStatus === "guest"`) * - `guestRemainingQuota` / `guestTotalQuota` default **改 0**: * - 游客:chat-screen 派 `ChatInit` → readInitData 调 ChatStorage → onDone 条件赋 * - 非游客:**永不被赋值**(业务事实"非游客无消息限制")—— 0 - 1 = max(0, -1) = 0 天然 no-op * - 0 同时表示"未初始化"和"已耗尽" —— UI 用 `if (isGuest && ...)` 天然过滤 * * 新增 `wsConnected: boolean`(**仅** userSession 期间 true): * - **WS 已连** → 消息发送走 WS,**不**消耗次数 * - **WS 未连** → 消息发送走 HTTP,消耗次数 * - `ChatWebSocketConnected` 事件 → true * - `userSession.exit` → false(WS actor cleanup 时**也**会跑 exit) */ import type { UiMessage } from "@/models/chat/ui-message"; export interface ChatState { messages: UiMessage[]; isReplyingAI: boolean; /** * WebSocket 连接状态(**仅** userSession 期间 true) * - 决定消息发送**路径**(WS / HTTP)和**是否消耗**次数 * - true:走 WS,**不**消耗次数 * - false:走 HTTP,消耗次数 */ wsConnected: boolean; /** 游客剩余配额(次/天)—— **仅**游客业务展示用 * - default 0 = "未初始化" / "已耗尽"(同码,靠 `isGuest` 区分) * - 非游客:永不被赋值(业务事实"无消息限制") */ guestRemainingQuota: number; /** 游客总配额(仅游客展示用) */ guestTotalQuota: number; quotaExceededTrigger: number; isLoadingMore: boolean; hasMore: boolean; historyOffset: number; /** 游客配额加载完成标**志**(**仅** guestSession 期间) —— default false * - guestSession.initializing **走** always barrier:`quotaLoaded && historyLoaded` **才**进** ready * - userSession **永不为** true(**不**调 loadQuota)—— OK,**不**影响 barrier */ quotaLoaded: boolean; /** history 加**载**完成标**志**(initial load —— local → network → save 跑**完**) * - guestSession.initializing / userSession.initializing 走 always barrier * - **不**被 `loadMoreHistoryActor` 设**置**(**翻**页**是**另**一**码**事**) */ historyLoaded: boolean; } export const initialState: ChatState = { messages: [], isReplyingAI: false, wsConnected: false, guestRemainingQuota: 0, guestTotalQuota: 0, quotaExceededTrigger: 0, isLoadingMore: false, hasMore: true, historyOffset: 0, quotaLoaded: false, historyLoaded: false, };