Mission Run Overview
Mission Run: Centralize installed CLI runtime + remediation planning
One installer/runtime domain model (InstalledCliRuntime + RemediationCommand) + a uv-receipt adapter + a remediation planner, consumed by review/upgrade-UX/upgrade-hints; collapses 3 duplicate receipt parsers and 5 remediation-construction sites.
This mission advances Centralize installed CLI runtime + remediation planning on feat/installed-runtime-domain so stakeholders can track the work from mission creation onward.