Method hasChildAgentTasks

src/node/services/taskService.ts:6943–6945

* Topology predicate: does this workspace still have child agent-task nodes in config? * Unlike hasActiveDescendantAgentTasks (which checks runtime activity for scheduling), * this checks structural tree shape — any child node blocks parent deletion regardless * of its status.

(index: AgentTaskIndex, workspaceId: string)

   * of its status.
   */
  private hasChildAgentTasks(index: AgentTaskIndex, workspaceId: string): boolean {
    return (index.childrenByParent.get(workspaceId)?.length ?? 0) > 0;
  }

  private getTaskDepth(
    config: ReturnType<Config["loadConfigOrDefault"]>,