Function calculateSpeedModifierForDamage

calculateSpeedModifierForDamage(damage: number): number
Calculates animation speed modifier based on technique power level

Implements the rule:
- Light techniques (damage <20): 1.2x speed
- Normal techniques (damage 20-35): 1.0x speed
- Heavy techniques (damage >35): 0.8x speed
Parameters
- damage: number
  Base damage of the technique
Returns number
Speed modifier (0.8 - 1.2)

Korean
기술위력에서속도배율계산
- Defined in systems/animation/core/TechniqueAnimationMapper.ts:231