Build 25139169

- Moved SAVE & QUIT to a fixed position at the bottom of Settings. A confirmation now appears before quitting without
saving.
- Improved recovery for some older PC saves by using a valid automatic save when legacy local data is incomplete.
- Fixed the z-based Δr bonus decreasing after spending z on upgrades.
- Fixed n, u, v, m, α, and β upgrade effects sometimes updating one purchase late.
- Fixed Auto Start rerolling the current reward board. It now preserves the board while resetting battle difficulty.
- Fixed spiral design changes overriding the Pixelize setting.
- Auto P Prestige now plays the same transition as a manual Prestige.
- Fixed Main Spiral framing and oversized old geometry after spending r, using P Prestige, starting a Challenge, or re-
enabling Scale.