Replaces the 'Open questions' section with 'Resolved decisions' and
propagates the four decisions into the relevant phases:
- Hard cut: no config.ui.layout flag. Phase 6 now includes the
removal of .nav-header, side-menu.css and the #tab1..#tab4 block
with a git grep verification step.
- Macros: Control row binds to config.macros.slice(0, 8); Settings
-> Macros owns the master list and reordering.
- Pin to Control: deferred, status strip stays at State / V&F /
Spindle / Job for this iteration.
- Feed/spindle override: bottom drawer triggered by the Spindle
KPI tile, reusing override_feed / override_speed.
Goals (s.1) and Phase 6 testing checklist updated to match.