decodingai-magazine/building-a-coding-agent-from-scratch-course
Skill Claude CodeCodex
decode's Kitaru operator surface for headless replay and what-if — three-runs (observed / baseline-rerun / fork), CLI replay with --args/--overrides, checkpoint overrides, diffing execution records, cohort scaling, wait re-ask behavior, subagent-as-one-checkpoint. Use when replaying or forking a decode run, overriding…