v1.17.3

Skill-hygiene pass

• Add the §10 "Surgical changes" canonical-contract pointer (or explicit carve-out) to frontend-engineering-edho-ferdian, backend-engineering-edho-ferdian, dead-code-cleanup-edho-ferdian, code-simplification-edho-ferdian
• Trim 10 bloated description: frontmatter fields (stacks/modes/lenses/drivers moved to each skill's body) — dev-kickoff-edho-ferdian was 2 chars from the hard 1024-char CI gate
• Fix stale "33 skills" → 35 in SPONSORS.md and skill-authoring-edho-ferdian; annotate (without rewriting) the historical 33/34-skill counts in README's point-in-time audit narrative
• Regenerate all cross-harness exports (AGENTS.md, CATALOG.md, dist/*.skill, .cursor/rules, .windsurf/rules, .devin/rules, .clinerules, .github/copilot-instructions.md, .kiro/skills, GEMINI.md, .hermes/skills, .agents/skills, .zcode/skills) to match

Tooling

• Add a .husky/pre-commit hook that locally mirrors CI's validate/dist-sync/export-targets-sync jobs whenever skills/ changes, so this class of drift is caught before it's committed

No skill behavior changes — content reorganization and hygiene only.