Method checkpoint

src/agent/budget.ts:43–60

()

  }

  incrementIteration(): void {
    this.iterations++;
  }

  /** Record non-model progress (a completed TOOL call). A 5-minute shell command is work,
   *  not a stall — without this, the wall ceiling read long tool runs as 'stalled' and
   *  killed the task right after the tool returned (live: 808s/600s, stalled 300s). */
  noteProgress(): void {
    this.lastProgressAt = Date.now();
  }

  checkpoint(): void {
    const wallMs = Date.now() - this.startTime;
    // A value of 0 (or negative) on any limit means "no limit" — useful for local
    // models where token/cost budgets are meaningless. Set perTaskMaxTokens: 0 in
    // config.budget to disable the token cap entirely.
    if (this.maxTokens > 0 && this.tokens > this.maxTokens) {
      throw new BudgetExceededError(`Token budget exceeded: ${this.tokens}/${this.maxTokens}`, 'tokens');
    }
    if (this.maxCostUsd > 0 && this.costUsd > this.maxCostUsd) {
      throw new BudgetExceededError(`Cost budget exceeded: $${this.costUsd.toFixed(4)}/$${this.maxCostUsd}`, 'cost');