Inputs

• Env: optional RELAY_SKILL_ROOT defaults to skills.
• Files: leaves JSON passed by --leaves-file, child prompt/rubric/Done Criteria files, immutable cohorts under ~/.relay/fleets/, and child runs under ~/.relay/runs/.
• Sibling scripts: ${RELAY_SKILL_ROOT:-skills}/relay-fleet/scripts/relay-fleet.js, ${RELAY_SKILL_ROOT:-skills}/relay-dispatch/scripts/dispatch.js, ${RELAY_SKILL_ROOT:-skills}/relay-review/scripts/review-runner.js, ${RELAY_SKILL_ROOT:-skills}/relay-merge/scripts/finalize-run.js.

relay-fleet

Use when

• Driving already planned relay leaves through fan-out, review/redispatch, serial merge, and close
• Re-running the same fleet command after a crashed or killed session
• Continuing an immutable cohort from its current child-run facts
• Printing read-only aggregate status for a fleet

Do not use when

• Decomposing raw or ambiguous requests into leaves — use relay-ready
• Authoring per-leaf rubrics or dispatch prompts — use relay-plan
• Dispatching a single task or run — use relay-dispatch
• Reviewing one standalone child PR — use relay-review