[ghostleek]

Makes the repo easier for coding agents (and reviewers) to work in. No site content is changed.

What's added

• AGENTS.md (+ CLAUDE.md = @AGENTS.md): where things live, how to preview (python3 -m http.server 8000), and rules: never touch CNAME, case-sensitive paths, alt text, image size, Font Awesome 5 prefixes, nothing private in the repo.
• scripts/check_site.py: a check that uses only the Python standard library. It fails on missing local href/src targets (including case mismatches like pic04.jpg vs pic04.JPG), #anchor links with no matching id, <img> without alt, broken CSS url(), and a malformed CNAME. HTML comments are ignored.
• .github/workflows/ci.yml: runs the check on PRs and on pushes to master (contents: read).
• .github/skills/code-review/SKILL.md: a review guide based on this repo's own fix commits (case-sensitive image paths, blank FA icons, a private PDF that was committed, 7 MB photos, dangling gapminder.html/iframe embeds, nav label drift).

Verification

• python3 scripts/check_site.py passes on current master.
• I broke things on purpose (wrong-case image path, a #works anchor that doesn't exist, a removed alt, https:// in CNAME, wrong-case bg.JPG in main.css). All five were reported with exit 1, and I then reverted them.
• python3 -m http.server serves / and /images/pic04.JPG with status 200.

Notes (not fixed here)

• images/bg.jpg (2.9 MB), pic05.JPG (2.7 MB) and pic04.JPG (1.6 MB) are large.
• Two Adobe Lightroom icon links have an empty label, so screen readers get no name for them.
• .DS_Store files are committed, and there's no .gitignore.
• .github/dependabot.yml has an empty package-ecosystem.

🤖 Generated with Claude Code

https://claude.ai/code/session_01WZKhoAfa499EJsRM8WjrJq

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⚙️ Run configuration

• Configuration used: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: af536c16-bd76-4b85-ba40-8eb8ea4e13b9

📥 Commits

Reviewing files that changed from the base of the PR and between 263d180 and ba4839c.

📒 Files selected for processing (6)

• .github/skills/code-review/SKILL.md
• .github/workflows/ci.yml
• AGENTS.md
• CLAUDE.md
• CNAME
• scripts/check_site.py

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[Copilot]

Copilot review overview

🟡 Changes recommended

The checker has unresolved CNAME and path-validation issues.

Review effort: Lite
Findings: 2

Open (2)

• Path check is not case-sensitive on macOS · New
• CNAME validation allows multiple non-empty lines · New

What changed in this PR

Adds agent guidance, a static-site checker, CI validation, and repository-specific review instructions.

Changes:

• Added AGENTS.md and CLAUDE.md.
• Added link, asset, anchor, CSS, and CNAME validation.
• Added GitHub Actions CI.
• Added a code-review skill guide.

File	Description
scripts/​check_site.py	Static-site validation logic
CLAUDE.md	References AGENTS.md
AGENTS.md	Agent workflow and repository rules
.github/​workflows/​ci.yml	Runs site validation
.github/​skills/​code-review/​SKILL.md	Repository-specific review guidance

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[ghostleek]

check-site is failing on 08222e3. The stricter CNAME check is doing its job: CNAME on master still lists two hostnames (leekahhow.com and www.leekahhow.com), so python3 scripts/check_site.py exits 1 with "CNAME must hold one bare hostname only". I reproduced this locally. It isn't a flake, and re-running won't help.

To fix it, CNAME needs to list a single hostname. Which one is the owner's call, since it decides which domain GitHub Pages serves. I couldn't check the configured Pages domain from here. The suggestion is leekahhow.com: GitHub Pages redirects www to the apex domain when DNS has both records.

Separately, the error text "Restore it from origin/master" is misleading now, because master holds the two-line file. It can be reworded in the same commit as the CNAME change.

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