- In short
- Subagents provide weaker deterministic guarantees than server-side code because their reasoning can vary run to run. The highest-consequence step in a multi-agent system, such as a compliance check or financial approval, should not be assigned the weakest guarantee. Assigning it to a subagent because an agent was already spawning subagents is a convenience-driven decision, not a risk-driven one; the fix is to move the check to deterministic code the orchestrator calls.
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