A repository uses a fan-out/fan-in orchestration pattern for agent-generated pull requests. Separate jobs validate security, tests, and documentation. A final gate should run only after all three specialist validation jobs complete. Which option completes the workflow?

name: multi-agent-gate

on:
  pull_request:
    branches:
      - main

permissions:
  contents: read
  pull-requests: read

jobs:
  security_agent_check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: ./agents/security-review.sh

   test_agent_check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - run: ./agents/test-review.sh

   docs_agent_check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - run: ./agents/docs-review.sh

   aggregate_gate:
     runs-on: ubuntu-latest
     (Missing value 1):
       - security_agent_check
       - test_agent_check
       - docs_agent_check
     steps:
       - name: Combine specialist findings
         (Missing value 2): ./agents/aggregate-findings.sh
       - name: Add orchestration summary
         (Missing value 3): |
            echo "## Multi-agent gate complete" >> $GITHUB_STEP_SUMMARY