Scheduler Design

Authoritative specification: docs/design/SCHEDULER-DESIGN.md

Implementation Status: Complete as of v0.25.1. CFS with SMP, NUMA-aware load balancing, CPU hotplug, work-stealing. Context switch <10us. Benchmarked at 77ns sched_current.

See the authoritative specification linked above for the full design document including multi-level feedback queues, real-time scheduling, EDF support, and priority inheritance protocol details.