Execute implementation plans using fresh subagents per task with two-stage review (spec compliance + code quality). Use when executing multi-task plans with independent work units. Enhances ralph-loop methodology.

为每个任务使用全新的子代理执行实施计划，并采用两阶段审查（规范合规性 + 代码质量）。适用于执行具有独立工作单元的多任务计划，提升ralph-loop方法论。