Function persistSession

packages/happy-cli/src/persistence.ts:436–446

(sessionId: string, session: PersistedSession)

}

export function persistSession(sessionId: string, session: PersistedSession): void {
  try {
    const existing = readPersistedSessions();
    existing[sessionId] = session;
    const tmpFile = configuration.sessionsFile + '.tmp';
    writeFileSync(tmpFile, JSON.stringify({ sessions: existing }, null, 2), 'utf-8');
    renameSync(tmpFile, configuration.sessionsFile);
  } catch (error) {
    logger.debug(`[PERSISTENCE] Failed to persist session ${sessionId}:`, error);
  }
}