All files / src/domains/chat hooks.ts

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/**
 * Chat Domain Hooks
 *
 * React hooks for accessing chat state with Valtio.
 * Only re-renders when accessed properties change.
 */
import { useSnapshot } from 'valtio';
import { chatStore } from './store';
import type { Message, Agent, Conversation } from './types';
 
/**
 * Hook to access the full chat state snapshot.
 * Only re-renders when accessed properties change.
 */
export function useChatState() {
  return useSnapshot(chatStore);
}
 
/**
 * Hook to access messages only.
 * Only re-renders when messages change.
 */
export function useMessages() {
  const { messages } = useSnapshot(chatStore);
  return messages as readonly Message[];
}
 
/**
 * Hook to access streaming state.
 * Only re-renders when isStreaming changes.
 */
export function useIsStreaming(): boolean {
  const { isStreaming } = useSnapshot(chatStore);
  return isStreaming;
}
 
/**
 * Hook to access current agent.
 */
export function useCurrentAgent(): Agent | null {
  const { currentAgent } = useSnapshot(chatStore);
  return currentAgent;
}
 
/**
 * Hook to access all agents.
 */
export function useAgents() {
  const { agents } = useSnapshot(chatStore);
  return agents as readonly Agent[];
}
 
/**
 * Hook to access conversations.
 */
export function useConversations() {
  const { conversations } = useSnapshot(chatStore);
  return conversations as readonly Conversation[];
}
 
/**
 * Hook to access current model.
 */
export function useCurrentModel(): string {
  const { currentModel } = useSnapshot(chatStore);
  return currentModel;
}
 
/**
 * Hook to access chat actions.
 * Returns the store directly for calling actions.
 * Does not cause re-renders.
 */
export function useChatActions() {
  return chatStore;
}