WinRacing V54.1 Combined Release

V53.9 Chairman Decision Simulator
- Three-way PROMOTE / GUARD / IGNORE simulations.

V54.0 Counterfactual AI
- Essential, material, supporting and fake-important classification.

V54.1 Chairman Self-Debate
- Advocate, Skeptic and Risk Guard agents with Chairman verdict.

Safety
- ADVISORY_ONLY
- No V44-V53 weight changes
- No database schema changes