name: Claude Code Review

# Using pull_request_target to grant write permissions for fork PRs.
# This is safe because:
# 1. We use a trusted action from Anthropic
# 2. The action only reads PR content and posts comments
# 3. No code from the PR is executed
on:
  pull_request_target:
    types: [opened, synchronize, ready_for_review, reopened]
    # Optional: Only run on specific file changes
    # paths:
    #   - "src/**/*.ts"
    #   - "src/**/*.tsx"
    #   - "src/**/*.js"
    #   - "src/**/*.jsx"

jobs:
  claude-review:
    # Optional: Filter by PR author
    # if: |
    #   github.event.pull_request.user.login == 'external-contributor' ||
    #   github.event.pull_request.user.login == 'new-developer' ||
    #   github.event.pull_request.author_association == 'FIRST_TIME_CONTRIBUTOR'

    # Skip draft PRs to reduce API usage
    if: github.event.pull_request.draft == false

    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
      issues: read
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
        with:
          fetch-depth: 1

      - name: Run Claude Code Review
        id: claude-review
        uses: anthropics/claude-code-action@a017b830c03e23789b11fb69ed571ea61c12e45c # v1
        with:
          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          # Allow all PR authors regardless of repository permissions
          # This is safe because pull_request_target runs in the base repo context
          allowed_non_write_users: '*'
          # Allow common dependency management bots to trigger reviews
          allowed_bots: 'dependabot[bot],renovate[bot]'
          plugin_marketplaces: 'https://github.com/anthropics/claude-code.git'
          plugins: 'code-review@claude-code-plugins'
          prompt: '/code-review:code-review ${{ github.repository }}/pull/${{ github.event.pull_request.number }}'
          # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
          # or https://code.claude.com/docs/en/cli-reference for available options
