Dispatch checklists must not delegate status advancement out of worker scope

[clkao]

Worker checklists no longer delegate First Officer-only state transitions, preserving clear write authority during live workflow dispatch.

What changed

• Limit checklist items to worker-owned body and report outcomes.
• Exclude status, frontmatter, and stage-advance obligations from worker assignments.
• Return lifecycle transitions to First Officer commands after accepted completion.

Evidence

• Live journey: baseline delegation fell from 2/2 items to 0/2.
• Full and race suites: 2/2 passed on the rebased stack tip.

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yv