v4.0.0 — Gemini CLI support, validation tooling & cross-platform portability

What's new in v4

This release extends Skill Provenance to run cleanly on Gemini CLI, hardens the validation tooling, and ships the bundle in frontmatter_mode: minimal for maximum portability across all platforms.

Highlights

• Gemini CLI support — SKILL.md updated with Gemini CLI in the frontmatter constraint table and cross-platform considerations (three-tier discovery, install paths, management commands)
• • validate.sh — new local hash verification script; hardened for portable update-mode rewrites and locale-stable hash verification against MANIFEST.yaml
• • Expanded evals — 5 new eval scenarios (evals 9–13): Gemini CLI compatibility, Gemini Gems prompt extraction, git commit message generation, handoff with per-file changes, local hash validation. Now 13 evals total
• • Session close protocol — added git commit message generation (step 6) and required per-file handoff summaries
• • Minimal frontmatter mode — the bundle now ships in frontmatter_mode: minimal so the same source works across Claude, Codex, and Gemini CLI without modification
• • README updates — Gemini CLI quick-start, Gemini Gems workflow guidance, local hash validation section, and clarified that the checked-in skill-provenance/ directory is the canonical cross-platform source bundle

Install

Download skill-provenance.skill and install it:

Claude (web): Profile → Settings → Skills → Add Skill → select the file

Claude Code / Codex / Gemini CLI: use the skill-provenance/ directory directly (checked into this repo)

Platform compatibility

Platform	Status
Claude (chat)	✅
Claude Code	✅
Codex (OpenAI)	✅
Gemini CLI (Google)	✅ new in v4
GitHub Copilot	✅

Full changelog

See skill-provenance/CHANGELOG.md for the complete history going back to v1.