07c6e422c1
Scheduler: LAPIC timer calibration, TSC-deadline mode, work-stealing load balancer, RT scheduling class, per-CPU nr_running counter. Direct tick routing via vector 48. ACPI: S3/S4 sleep states with full AML sequence (_PTS/_GTS/_BFS/_WAK), NVS save/restore, EC driver hardening, panic-grade behavior removed. Drivers: 5 driver mains at zero unwrap, 12 new modules across storage, network, and audio subsystems. AHCI NCQ/PM/TRIM, e1000 ITR/checksum/TSO, rtl8169 PHY config, HDA codec/jack detection. cpufreqd: Replaced 26-line stub with 5-governor implementation including ACPI P-state reading, MSR control, thermal throttle, and error suppression. thermald: Fan control module with speed curves and emergency mode. Docs: IMPLEMENTATION-MASTER-PLAN.md, CPU-DMA-IRQ-MSI-SCHEDULER-FIX-PLAN.md. 30 stale docs archived. 3 superseded plans archived. Patches: P5-named-semaphores (relibc), P6-driver fixes (base), P7-scheduler (kernel), P6-cpufreqd (local).