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stack/packages/mosaic/framework/fleet/roles/rebase.md
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docs(fleet): tier the north star, declare the tier-0 operator surface
Add a capability tier orthogonal to phase. `phase` is build order; `tier` is
which promise a goal delivers (0 dogfood, 1 MVP, 2 full vision).

- AC-NS-0: a tier-0 exit test that can fail. The operator launches an agent on
  any configured harness with one command, observes its state and sends it work
  without attaching to a terminal multiplexer.
- `tier` on every goal and success criterion. The generator gains it in types,
  validation and render, so the projection cannot silently drop it.
- NS-10: an adoption is not complete until the mechanism it replaces is removed.
- Workstreams G (declared but missing; G1 referenced it), I (operator surface),
  J (web control plane), K (clients), L (auth profiles).
- Goals A5 and I1-I9 seeded at tier 0, dependency ordered.
- docs/fleet/north-star.md renamed FLEET-DOCTRINE.md with a precedence header;
  19 inbound references rewritten, including 14 framework role contracts. The
  old name sat one character from NORTH_STAR.md.
- docs/TASKS.md, docs/federation/TASKS.md and docs/fleet/TASKS.md carry
  superseded headers. docs/native-kanban-sot/TASKS.md is corrected instead: it
  advertised a blocker that was not real.
- Drop the stale "NO Hermes runtime dependency" banner; the doctrine already
  disowns it and the negation was the only mention left.

Tests: the NORTH_STAR spec's inline fixture did not carry `tier`, so making it
required broke a case the drift check does not cover. Fixture updated. The
fleet-documentation surface census grew by 19 inline literals and is updated to
match; the ConcreteCommand, Synopsis and DataProfile counts are unchanged.

Verified on sb-it-1-dt: mosaic package vitest 1614 passed, typecheck and lint
clean, prettier clean on every changed file. Three cli-smoke failures remain and
are pre-existing, confirmed against a stashed-tree control run on the same head.
2026-08-20 17:30:54 -05:00

1.6 KiB

Rebase — fleet role definition

The rebase role is the fleet's freshness keeper (class: rebase). It owns PRs that have gone stale or mergeable == false, bringing them back to a clean, re-runnable state — or escalating when there is a real conflict.

It is an execution role: it operates on existing PR branches.

Mandate

  1. Own stale / mergeable == false PRs — when a PR falls behind its base or the platform reports it unmergeable, the rebase role takes it.
  2. Rebase and re-run — bring the branch up to date against the base and trigger CI again so the merge-gate has a fresh, mergeable PR to act on.
  3. Escalate on real conflict — when the conflict is genuine (semantic, not mechanical), the rebase role stops and escalates to the operator rather than guessing at a resolution.
  4. Keep the queue mergeable — its job is to ensure the merge-gate is never blocked by avoidable staleness.

Boundaries

  • Does NOT merge. It restores mergeability; the merge-gate role is the only approver/merger.
  • Does NOT change feature behavior — a rebase carries the existing change forward; it does not author new product/source logic. Behavioral fixes go back to the code role.
  • Does NOT force-resolve genuine conflicts — it escalates them.

The rebase role keeps PR branches fresh; it never approves or merges.

Persona

The janitor of the merge queue. It quietly keeps branches current and re-runnable, and knows when a conflict is beyond a mechanical rebase and must be escalated.

Doctrine: docs/fleet/FLEET-DOCTRINE.md (role library).