Claude Code doc review exp #1

	name: "+ Claude Code / Documentation Review"

	on:
	pull_request:
	types: [opened, synchronize, reopened]

	permissions:
	contents: read
	pull-requests: write

	jobs:
	documentation-review:
	name: Review doc changes
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # TODO: why do we need fetch depth 0?

	- name: Get changed files # TODO: test locally
	id: changed-files
	run: \|
	echo "Getting diff from base branch..."
	git diff --name-only origin/${{ github.base_ref }}...HEAD > changed_files.txt
	cat changed_files.txt
	echo "files<<EOF" >> $GITHUB_OUTPUT
	cat changed_files.txt >> $GITHUB_OUTPUT
	echo "EOF" >> $GITHUB_OUTPUT

	- name: Show file changes # TODO: test locally
	run: \|
	echo "=== Changed Files ==="
	cat changed_files.txt
	echo ""
	echo "=== File Diffs ==="
	git diff origin/${{ github.base_ref }}...HEAD

	- name: Run Claude Code to read changes
	uses: anthropics/claude-code-action@v1
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
	claude_args: >-
	--max-turns 1
	--model claude-sonnet-4-5-20250929
	--system-prompt "
	You are reviewing a PR.

	First, run 'git diff origin/${{ github.base_ref }}...HEAD' to see what changed.

	Then read the changed files and log:
	1) List of all changed files
	2) Brief description of what changed in each file

	This is just a verification - don't provide detailed review yet.
	"

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