WinRacing V60.0 — Chairman OS Scheduler + Resource Manager

Added:
1. OS scheduling dashboard
2. API endpoint for V60 runtime plan
3. Priority queue and dependency graph
4. Parallel execution waves
5. Smart-skip handling
6. CPU and memory resource governor
7. Runtime telemetry

Compatibility:
- Additive only
- No DB schema migration
- No existing V53/V54 decision mutation
