Variable RECOVERY_ROLL_KEYFRAMESConst

Roll recovery keyframes (회전기상)

24 frames (400ms) sequence - FAST recovery

• Frames 0-6: Roll to side, momentum building
• Frames 7-14: Spring to feet with explosive movement
• Frames 15-18: Quick stance (vulnerable)
• Frames 19-23: Combat ready (interruptible)

Costs 20 stamina for speed advantage.