Method admitToolForStep

packages/runtime/src/tool-runtime.ts:1814–1831

(tool: MakaTool, stepId: string | undefined)

  }

  private admitToolForStep(tool: MakaTool, stepId: string | undefined): string | undefined {
    if (!stepId) return undefined;
    const existing = this.stepAdmissions.get(stepId) ?? { callCount: 0 };
    const exclusive = tool.executionSemantics === 'exclusive_step';
    if (existing.exclusiveToolName) {
      // Say first that nothing happened. A model reading only "cannot share a
      // step" cannot tell a refusal apart from a failure and may re-send a call
      // that did run.
      return `Tool ${tool.name} did not run: ${existing.exclusiveToolName} cannot share an assistant step with other tool calls. Send ${tool.name} again in a later step.`;
    }
    if (exclusive && existing.callCount > 0) {
      return `Tool ${tool.name} did not run: it cannot share an assistant step with other tool calls. Send ${tool.name} again in a step where it is the only call.`;
    }
    existing.callCount += 1;
    if (exclusive) existing.exclusiveToolName = tool.name;
    this.stepAdmissions.set(stepId, existing);
    return undefined;
  }

  private assertDurableDispatchNotAborted(toolName: string, abortSignal: AbortSignal): void {
    if (!abortSignal.aborted) return;