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plat 448
| Coordination | Value |
|---|---|
| State | fixed on main; not deployed |
| Date | 2026-10-04 |
| Owner | plans-contracts |
| Related | PLAT-431, PLAT-441, PLAT-447 |
Relays use one shared workflow contract ladder, not a separate migration engine
or version sequence. workflowVersionUpgradePlan excludes 16 Goals feature
migrations and two platform-store migrations. All new ladder entries are shared
by default. The six currently applicable entries cover message-sequence code,
step type/execution-mode conversion and nested artifacts/code layout.
The run guards and next-stamp lookup respect this filtering. However,
workflowContractUpgradeLists built its applied history from the Goals ladder.
Advancing a Relay's marker therefore made skipped Pulse/report/store migrations
appear applied. PLAT-431's old documentation also still required a managed-DB
migration, contrary to the later approved no-stores policy.
- History uses the same product-filtered ladder as pending upgrades. No separate migration implementation or new version namespace.
- Regression checks retain every applicable migration, in order, at ladder boundaries; skipped upgrades never appear in Relay pending/applied lists.
- Workspace-backed checks exercise the Builder run gate and next stamp alongside API preflight: shared artifact migration blocks; DB-only migration does not; missing code layout and unknown versions remain blocked. Goals still owe DB.
- Existing tool-contract check verifies Relay Builder has the tools required by applicable migration instructions.
- Corrected PLAT-431 and its historical decisions entry for the superseding PLAT-441 policy.
Focused server migration/status/run-guard tests and the required commit checks run in owned worktrees. No running backend or production Relay was changed.
- Deployment and a live Builder-led migration remain unverified. This review exercises eligibility, status and gates with safe fixtures, not actual model edits of an old Relay. The live verification remains recorded in PLAT-431.
Auto-synced from docs/ on main. Edit there, not here.