name: Marvin Issue Dedupe
description: Automatically dedupe GitHub issues using Marvin
on:
  issues:
    types: [opened]
  workflow_dispatch:
    inputs:
      issue_number:
        description: "Issue number to process for duplicate detection"
        required: true
        type: string

jobs:
  marvin-dedupe-issues:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    permissions:
      contents: read
      issues: write

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

      - name: Generate Marvin App token
        id: marvin-token
        uses: actions/create-github-app-token@v2
        with:
          app-id: ${{ secrets.MARVIN_APP_ID }}
          private-key: ${{ secrets.MARVIN_APP_PRIVATE_KEY }}

      - name: Run Marvin dedupe command
        uses: anthropics/claude-code-base-action@beta
        with:
          prompt: "/dedupe ${{ github.repository }}/issues/${{ github.event.issue.number || inputs.issue_number }}"
          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
          claude_env: |
            GH_TOKEN: ${{ steps.marvin-token.outputs.token }}