Consolidated from all audits, QEMU testing, and implementation sessions.
P0: KDE build chain broken — libwayland pkgar staging race in cookbook.
Fix requires investigation of src/cook/package.rs pkgar path lookup.
P1: Graphical boot testing — dbus-daemon, sessiond, compositor, greeter.
P2: 7 remaining gaps — ion shell, shadow support, polkit, scrollback.
Includes cookbook tool investigation areas and total effort estimate
(~12 days per developer).
