v0.3.1 - Specialist Roles (UX, Performance, Security)

Added

• 3 new roles: ux-engineer, performance-engineer, security-engineer
• 3 new audit skills: ux-audit (WCAG checklist), performance-audit (frontend+backend profiling), security-audit (OWASP-based vulnerability scan)
• 3 new activation workflows: as-ux-engineer, as-performance-engineer, as-security-engineer
• AGENTS.md: 3 delegation hints for cross-role handoffs (security, performance, UX)

Changed

• AGENTS.md roles table expanded from 8 to 11 roles

Removed

• Root-level monolithic agent prompts (design.md, performance.md, security.md) - content decomposed into roles, skills, and workflows