chore: public-readiness prep — LICENSE, docs, cleanup

[Adi-ty]

What this PR does

Prepares the repo for public consumption — removes internal AI agent artifacts, adds LICENSE files to every package, and writes contributor/onboarding documentation.

Changes

• LICENSE (GPL-2.0-or-later) added to all 6 packages — node-packages/* and composer-packages/*. Each subtree-split target (mirror repo / npm branch) carries its own copy; the root LICENSE doesn't propagate across the split boundary.
• AGENTS.md — repo-wide conventions, directory map, test commands, architectural decisions, and common pitfalls for AI tooling contributors.
• CONTRIBUTING.md — human-focused setup guide and PR checklist.
• README.md — top-level package overview table (npm + Composer) directing readers to each package's own README.
• CLAUDE.md — reduced to a single @AGENTS.md include (consumed by Claude Code sessions).
• Internal .claude/ directory deleted — issue work-logs, handoff script, templates. These are per-session artifacts, not public source.
• .gitattributes, PR/issue templates — stripped all .claude/ references.
• Package READMEs — all six gain a License section + rtCamp banner.
• CHANGELOGs — tagged [1.0.0] for every npm package that had unreleased entries.
• composer-packages/phpcs/composer.json — added composer test script (phpunit).
• package-lock.json — regenerated.

Verification

• npm run check passes
• (cd composer-packages/phpcs && composer install && composer test) passes
• (cd composer-packages/phpstan && composer install && composer test) passes

Housekeeping

• CHANGELOG.md entries already present for each package

[Copilot]

Pull request overview

Note

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Prepares the repository for public release by removing internal AI agent artifacts, standardising licensing across packages, and improving contributor/onboarding documentation for both npm and Composer subtrees.

Changes:

• Added GPL-2.0-or-later LICENSE files and updated package READMEs to reference them.
• Added root-level onboarding docs (AGENTS.md, CONTRIBUTING.md) and refocused CLAUDE.md to a single include.
• Promoted multiple packages to 1.0.0 and converted CHANGELOG “Unreleased” sections into dated 1.0.0 entries.

Reviewed changes

Copilot reviewed 36 out of 37 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
node-packages/wp-tooling/package.json	Bumps package version/dev dependency for 1.0.0 readiness.
node-packages/wp-tooling/README.md	Removes internal agent references; points contributors to monorepo docs; adds license + banner.
node-packages/wp-tooling/LICENSE	Adds GPL-2.0 text for subtree-split portability.
node-packages/wp-tooling/CHANGELOG.md	Tags entries as 1.0.0 with a release date.
node-packages/wp-tooling/AGENTS.md	Adds package-specific contributor rules and architecture notes.
node-packages/tailwind-config/package.json	Bumps version and eslint-config dev dependency to 1.0.0.
node-packages/tailwind-config/README.md	Adds license section + banner.
node-packages/tailwind-config/LICENSE	Adds GPL-2.0 text for subtree-split portability.
node-packages/tailwind-config/CHANGELOG.md	Tags entries as 1.0.0 with a release date.
node-packages/stylelint-config/package.json	Bumps version and eslint-config dev dependency to 1.0.0.
node-packages/stylelint-config/README.md	Adds license section + banner.
node-packages/stylelint-config/LICENSE	Adds GPL-2.0 text for subtree-split portability.
node-packages/stylelint-config/CHANGELOG.md	Tags entries as 1.0.0 with a release date.
node-packages/eslint-config/package.json	Bumps version to 1.0.0.
node-packages/eslint-config/README.md	Adds license section + banner.
node-packages/eslint-config/LICENSE	Adds GPL-2.0 text for subtree-split portability.
node-packages/eslint-config/CHANGELOG.md	Tags entries as 1.0.0 with a release date.
composer-packages/phpstan/README.md	Adds license section + banner.
composer-packages/phpstan/LICENSE	Adds GPL-2.0 text for subtree-split portability.
composer-packages/phpcs/composer.json	Adds a composer test script.
composer-packages/phpcs/README.md	Adds license section + banner.
composer-packages/phpcs/LICENSE	Adds GPL-2.0 text for subtree-split portability.
README.md	Adds top-level package overview and repo entry-point documentation.
CONTRIBUTING.md	Adds contributor setup and PR checklist for both ecosystems.
CLAUDE.md	Replaces detailed internal guidance with a single include reference.
AGENTS.md	Adds monorepo-wide dev/test guidance and release mechanics notes.
.github/pull_request_template.md	Removes references to internal .claude issue logs.
.github/ISSUE_TEMPLATE/task.md	Removes references to internal .claude issue logs.
.gitattributes	Removes merge strategy for deleted .claude artifacts.
.claude/issues/_TEMPLATE.md	Deletes internal per-issue Claude template.
.claude/issues/9-git-hooks.md	Deletes internal Claude issue log artifact.
.claude/issues/8-release-scripts.md	Deletes internal Claude issue log artifact.
.claude/issues/6-detect-changes.md	Deletes internal Claude issue log artifact.
.claude/issues/29-remote-scaffold-sources.md	Deletes internal Claude issue log artifact.
.claude/issues/10-version-monitor-scripts.md	Deletes internal Claude issue log artifact.
.claude/commands/handoff.md	Deletes internal Claude “skill” artifact.

Comments suppressed due to low confidence (3)

node-packages/wp-tooling/README.md:1

• These relative links point outside the package directory. In subtree-split targets (e.g. npm/wp-tooling branch or a mirror), ../../AGENTS.md and ../../CONTRIBUTING.md likely won’t exist, resulting in broken docs. Consider linking to ./AGENTS.md (package-local rules) and either duplicating a minimal CONTRIBUTING section into this package or linking to a public canonical URL that will exist in the split.
  node-packages/wp-tooling/CHANGELOG.md:1
• The CHANGELOG conversion replaces ## Unreleased with a release heading but doesn’t add a fresh ## Unreleased section above it (per Keep a Changelog). This also conflicts with the new CONTRIBUTING checklist item that asks contributors to add entries under ## Unreleased. Recommendation: reintroduce an empty ## Unreleased section at the top (above [1.0.0]) for ongoing development notes.
  node-packages/wp-tooling/README.md:1
• The README hotlinks a banner image from an external CDN domain. If that asset becomes unavailable (or is blocked by a corporate proxy), the README will degrade with a broken image. Consider storing the banner in-repo (or using a stable GitHub-hosted asset URL) to improve reliability for public consumption.

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[Copilot]

Pull request overview

Copilot reviewed 39 out of 40 changed files in this pull request and generated no new comments.

Comments suppressed due to low confidence (2)

node-packages/wp-tooling/README.md:1

• These relative links point outside the package directory, which will break in subtree-split targets (mirror repos / npm/<dirname> branches) and any future npm publish where monorepo-root files aren’t present. Prefer linking to package-local docs (e.g., this package already has ./AGENTS.md) and/or use absolute GitHub URLs for monorepo-root docs so the README remains valid when consumed standalone.
  node-packages/wp-tooling/CHANGELOG.md:1
• Renaming ## Unreleased directly to a version header removes the Unreleased section entirely, which conflicts with the workflow described in CONTRIBUTING.md (new entries go under ## Unreleased) and makes future changes harder to stage. Consider reintroducing a fresh ## Unreleased section above 1.0.0 (Keep a Changelog pattern), and apply the same fix to the other package changelogs updated in this PR.