28523375b9
Bridges the gap between PhaseA-user-checklist.md (Windows validation) and PhaseB-user-checklist.md (Linux setup): Section 1: capture pre-migration benchmark to docs/RUNBOOK.md (referenced by B7) Section 2: 7 Windows prerequisites (SSH keys, BuildVMGuest password, Gitea PAT, OpenSSH server, template power-off check per AGENTS.md #9, F:\CI\ backup, scheduled task cadence audit) Section 3: logistics (hardware, DNS, maintenance window, user comms)