Function useChat

extensions/cli/src/ui/hooks/useChat.ts:48–881

({
  assistant,
  model,
  llmApi,
  initialPrompt,
  resume,
  fork,
  additionalRules,
  additionalPrompts,
  onShowConfigSelector,
  onShowModelSelector,
  onShowUpdateSelector,
  onShowMCPSelector,
  onShowSessionSelector,
  onShowJobsSelector,
  onShowExportSelector,
  onClear,
  onRefreshStatic,
  isRemoteMode = false,
  remoteUrl,
  onShowDiff,
  onShowStatusMessage,
}: UseChatProps)

} from "./useChat.types.js";

export function useChat({
  assistant,
  model,
  llmApi,
  initialPrompt,
  resume,
  fork,
  additionalRules,
  additionalPrompts,
  onShowConfigSelector,
  onShowModelSelector,
  onShowUpdateSelector,
  onShowMCPSelector,
  onShowSessionSelector,
  onShowJobsSelector,
  onShowExportSelector,
  onClear,
  onRefreshStatic,
  isRemoteMode = false,
  remoteUrl,
  onShowDiff,
  onShowStatusMessage,
}: UseChatProps) {
  const { exit } = useApp();

  // Track service subscription
  const serviceListenerCleanupRef = useRef<null | (() => void)>(null);

  // Store the current session
  const [currentSession, setCurrentSession] = useState<Session>(() => {
    // In remote mode, start with empty session (will be populated by polling)
    if (isRemoteMode) {
      return createSession([]);
    }

    // Fork from an existing session if fork flag is used
    if (fork) {
      const { loadSessionById, startNewSession } = require("../../session.js");
      const sessionToFork = loadSessionById(fork);
      if (sessionToFork) {
        return startNewSession(sessionToFork.history);
      }
      // If session not found, create a new empty session
      return createSession([]);
    }

    // Load previous session if resume flag is used
    if (resume) {
      const savedSession = loadSession();
      if (savedSession) {
        return savedSession;
      }
    }

    // Create new session
    return createSession([]);
  });