refactor: Dockerfile cleanup, retry improvements, and CI fixes #16

	name: Documentation CI

	on:
	push:
	branches:
	- '**'
	paths:
	- '**.md'
	- 'docs/**'
	pull_request:
	branches:
	- '**'
	paths:
	- '**.md'
	- 'docs/**'
	workflow_dispatch:

	concurrency:
	group: docs-ci-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	markdown-lint:
	runs-on: ubuntu-latest
	name: Markdown Lint

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Lint Markdown files
	uses: DavidAnson/markdownlint-cli2-action@v16
	with:
	globs: \|
	*/.md
	!node_modules
	!.github

	- name: Summary
	run: \|
	echo "✅ Markdown linting passed"

	link-checker:
	runs-on: ubuntu-latest
	name: Check Links

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Check links in markdown files
	uses: gaurav-nelson/github-action-markdown-link-check@v1
	with:
	use-quiet-mode: 'yes'
	config-file: '.github/markdown-link-check-config.json'
	check-modified-files-only: 'yes'
	base-branch: 'main'

	- name: Summary
	if: success()
	run: \|
	echo "✅ Link checking passed"

	docs-summary:
	runs-on: ubuntu-latest
	name: Docs CI Summary
	needs: [markdown-lint, link-checker]
	if: always()

	steps:
	- name: Check job results
	run: \|
	if [ "${{ needs.markdown-lint.result }}" = "success" ] && [ "${{ needs.link-checker.result }}" = "success" ]; then
	echo "✅ All documentation checks passed"
	exit 0
	elif [ "${{ needs.link-checker.result }}" = "failure" ]; then
	echo "⚠️ Link checker failed (non-blocking)"
	exit 0
	else
	echo "❌ Documentation checks failed"
	exit 1
	fi

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