Interface ChatState

src/stores/useChatStore.ts:4–16

import { Message, TokenUsage } from '@/types';

interface ChatState {
  messages: Message[];
  streamingText: string;
  isStreaming: boolean;
  sessionUsage: Record<string, TokenUsage>;
  setMessages: (messages: Message[]) => void;
  addMessage: (message: Message) => void;
  appendStreamToken: (token: string) => void;
  setStreaming: (isStreaming: boolean) => void;
  clearStreaming: () => void;
  addTokenUsage: (sessionId: string, usage: TokenUsage) => void;
  clearSessionUsage: (sessionId: string) => void;
}

export const useChatStore = create<ChatState>((set) => ({
  messages: [],