(CEM-6709) Add RHEL 10 fact set and project docs

CLAUDE.md

@@ -0,0 +1,45 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project overview
+
+`abide_dev_utils` is a Ruby gem that ships an `abide` CLI used by the Abide / Puppet SCE (Security Compliance Enforcement) team to develop compliance Puppet modules (CIS, STIG). The CLI converts XCCDF benchmarks into Hiera, generates mappings, builds coverage and reference reports against SCE modules, integrates with Jira, and (legacy) scrapes Puppet Comply.
+
+The gem requires Ruby >= 2.7.0; CI runs on 3.2. The gem `puppet` is only installed when `PUPPET_AUTH_TOKEN` is set (it pulls from `rubygems-puppetcore.puppet.com`) — see `Gemfile`.
+
+## Common commands
+
+```sh
+bin/setup                      # bundle install + initial setup
+bundle exec rake               # default: spec + rubocop
+bundle exec rake spec          # run all RSpec tests
+bundle exec rspec spec/abide_dev_utils/sce/benchmark_spec.rb   # single file
+bundle exec rspec spec/path/to_spec.rb:42                      # single example by line
+bundle exec rubocop            # lint
+bundle exec rake build         # build gem into pkg/
+bundle exec rake install       # build + install locally
+bin/console                    # IRB with the gem preloaded
+bundle exec exe/abide -h       # run the CLI from a checkout
+```
+
+### SCE fixture modules (required for many specs)
+
+Several specs and the coverage/reference generators load real Puppet modules from `spec/fixtures/`. Fetch them with:
+
+```sh
+bundle exec rake sce:fixtures             # clone all available fixture modules
+bundle exec rake 'sce:fixture[linux]'     # clone a single fixture by partial name
+```
+
+The fixtures are cloned over SSH from `git@github.com:puppetlabs/<module>.git` (`puppetlabs-cem_linux`, `puppetlabs-sce_linux`, `puppetlabs-cem_windows`, `puppetlabs-sce_windows`). CI uses `webfactory/ssh-agent` with deploy keys; locally you need SSH access to those repos. Specs that require a fixture will fail if you skipped the clone.
+
+`spec_helper.rb` exposes `sce_linux_fixture` / `sce_windows_fixture` helpers that prefer the `sce_*` repo and fall back to the older `cem_*` name.
+
+## Architecture
+
+See [`docs/ARCHITECTURE.md`](docs/ARCHITECTURE.md) for a full breakdown of the file layout and architectural conventions.
+
+## Release flow
+
+`bundle exec rake release` builds the gem, tags the version in git, pushes, and pushes to rubygems.org. Bump `lib/abide_dev_utils/version.rb` first.

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    abide_dev_utils (0.18.5)
+    abide_dev_utils (0.18.6)
       cmdparse (~> 3.0)
       facterdb (~> 4.1.0)
       google-cloud-storage (~> 1.34)