Description

Scan configured directories for SKILL.md files and build a registry.

Parent: #3

Branch

feat/m2/skill-registry

Files

• crates/zeph-skills/src/registry.rs — SkillRegistry struct
• crates/zeph-skills/src/lib.rs — add module

Acceptance Criteria

• SkillRegistry::load(paths) scans dirs for */SKILL.md pattern
• Duplicate names: last path wins
• Invalid files logged and skipped (tracing::warn)
• registry.all() returns slice of all skills
• Unit test with temp directory

Depends On

#12 (Skill loader)