WinRacing V51.5 Portfolio Allocation
- Added desired exposure calculation by action/tier/score/reliability/risk/conflict.
- Added daily portfolio cap by day state.
- Added proportional scaling when desired exposure exceeds daily cap.
- Added per-race allocation units, allocation percent, portfolio rank and reason.
- Added daily desired/allocated/cap/scale/cap-used metrics.
- No V44-V50 formula changes. No schema migration.
