# Deferred Route Modernization Follow-up Artifacts

This directory stores execution artifacts for `deferred-route-modernization-follow-up`.

## Upstream Reference

- Phase 1: `docs/migration/full-modernization-architecture-blueprint/`
- Handoff: `docs/migration/full-modernization-architecture-blueprint/deferred_route_handoff.md`

## Core Governance

- `route_scope_matrix.json`: frozen in-scope deferred route matrix (promoted from phase 1 deferred).
- `governance_milestones.md`: completion and deprecation milestones for deferred-route phase.
- `exception_registry.json`: approved temporary exceptions with owner and milestone.
- `upstream_linkage.json`: explicit linkage to phase 1 handoff artifacts.
- `scope_boundary_note.md`: clarification that dev routes are eligible for modernization.

## Pre-Change Confirmation

- `pre_change_confirmation_template.md`: required fields and template.
- `pre_change_confirmations.json`: recorded per-route confirmations.

## Rollout Operations

- `rollout_runbook.md`: phase steps and hold points for deferred-route cutover.
- `rollback_controls.md`: per-route rollback and false-positive gate handling.
- `observability_checkpoints.md`: route/gate/rollback observability contract.
