OpenClaw skill compatibility layer with dashboard integration

[kovtcharov]

Summary

Migration tool or adapter that allows OpenClaw SKILL.md files to run on GAIA with minimal modification. Lowers barrier for existing OpenClaw skill developers. Integrated into the Agent UI configuration dashboard for visual skill import.

Acceptance Criteria

• Document format differences between OpenClaw and GAIA SKILL.md
• Migration tool converts OpenClaw skill format to GAIA format
• Migrated skills default to experimental security tier
• Configuration dashboard supports importing OpenClaw skills
• At least 10 popular OpenClaw skills ported as validation

Dependencies

• SKILL.md format spec (this milestone)
• Skill marketplace: format spec, security tiers, and AMD Verified seeding #647 (skill marketplace)