- Add Utility Skills section with dedicated table showing effect type, value, duration, cooldown
- Add "Add Utility Skill" button with pre-configured defaults
- Filter utility skills out of main combat skills table
- Fix updateSkill() to handle both snake_case and camelCase field names
- Add getUtilitySkillConfig() for database lookup of utility skill settings
- Replace hardcoded BUFF_CONFIGS in server.js with dynamic database lookup
- Support effect types: HP/MP regen multipliers, ATK/DEF boosts, XP multiplier
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>