refactor(gh-cli): split SKILL.md into progressive-disclosure reference files 🤖🤖🤖

docs/README.skills.md

@@ -174,7 +174,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-skills) for guidelines on how to
 | [gen-specs-as-issues](../skills/gen-specs-as-issues/SKILL.md)<br />`gh skills install github/awesome-copilot gen-specs-as-issues` | This workflow guides you through a systematic approach to identify missing features, prioritize them, and create detailed specifications for implementation. | None |
 | [generate-custom-instructions-from-codebase](../skills/generate-custom-instructions-from-codebase/SKILL.md)<br />`gh skills install github/awesome-copilot generate-custom-instructions-from-codebase` | Migration and code evolution instructions generator for GitHub Copilot. Analyzes differences between two project versions (branches, commits, or releases) to create precise instructions allowing Copilot to maintain consistency during technology migrations, major refactoring, or framework version upgrades. | None |
 | [geofeed-tuner](../skills/geofeed-tuner/SKILL.md)<br />`gh skills install github/awesome-copilot geofeed-tuner` | Use this skill whenever the user mentions IP geolocation feeds, RFC 8805, geofeeds, or wants help creating, tuning, validating, or publishing a self-published IP geolocation feed in CSV format. Intended user audience is a network operator, ISP, mobile carrier, cloud provider, hosting company, IXP, or satellite provider asking about IP geolocation accuracy, or geofeed authoring best practices. Helps create, refine, and improve CSV-format IP geolocation feeds with opinionated recommendations beyond RFC 8805 compliance. Do NOT use for private or internal IP address management — applies only to publicly routable IP addresses. | `assets/example`<br />`assets/iso3166-1.json`<br />`assets/iso3166-2.json`<br />`assets/small-territories.json`<br />`references/rfc8805.txt`<br />`references/snippets-python3.md`<br />`scripts/templates` |
-| [gh-cli](../skills/gh-cli/SKILL.md)<br />`gh skills install github/awesome-copilot gh-cli` | GitHub CLI (gh) comprehensive reference for repositories, issues, pull requests, Actions, projects, releases, gists, codespaces, organizations, extensions, and all GitHub operations from the command line. | None |
+| [gh-cli](../skills/gh-cli/SKILL.md)<br />`gh skills install github/awesome-copilot gh-cli` | Use when running GitHub CLI (gh) commands — auth, repos, issues, PRs, Actions/workflows, releases, projects, gists, codespaces, rulesets, or any `gh api` REST/GraphQL call from the command line. | `reference` |
 | [git-commit](../skills/git-commit/SKILL.md)<br />`gh skills install github/awesome-copilot git-commit` | Execute git commit with conventional commit message analysis, intelligent staging, and message generation. Use when user asks to commit changes, create a git commit, or mentions "/commit". Supports: (1) Auto-detecting type and scope from changes, (2) Generating conventional commit messages from diff, (3) Interactive commit with optional type/scope/description overrides, (4) Intelligent file staging for logical grouping | None |
 | [git-flow-branch-creator](../skills/git-flow-branch-creator/SKILL.md)<br />`gh skills install github/awesome-copilot git-flow-branch-creator` | Intelligent Git Flow branch creator that analyzes git status/diff and creates appropriate branches following the nvie Git Flow branching model. | None |
 | [github-copilot-starter](../skills/github-copilot-starter/SKILL.md)<br />`gh skills install github/awesome-copilot github-copilot-starter` | Set up complete GitHub Copilot configuration for a new project based on technology stack | None |