id: cb-029
title: "Cross-reference GitHub PRs with Linear issues"
difficulty: medium
category: composite
description: |
  List all open pull requests in "acme-corp/web-platform" that reference a
  Linear issue in their title or body (pattern: ACM-NNN). For each referenced
  Linear issue, update its status to "in_progress" if it is currently "todo".
  Report any PRs that reference non-existent Linear issues.
tools_provided:
  - gh
  - linear
initial_state:
  gh:
    repos:
      acme-corp/web-platform:
        pull_requests:
          - number: 200
            title: "feat: Implement PKCE flow [ACM-501]"
            state: open
            author: alice
            body: "Implements the OAuth2 PKCE flow as described in ACM-501."
          - number: 201
            title: "fix: CORS headers [ACM-502]"
            state: open
            author: bob
            body: "Fixes CORS header configuration per ACM-502."
          - number: 202
            title: "chore: Update dependencies"
            state: open
            author: carol
            body: "Routine dependency updates, no Linear issue."
          - number: 203
            title: "feat: Rate limiter [ACM-503]"
            state: open
            author: dave
            body: "Implements rate limiting middleware. Refs ACM-503."
          - number: 204
            title: "fix: Session handling [ACM-999]"
            state: open
            author: alice
            body: "Fix session timeout. References ACM-999."
  linear:
    issues:
      - id: ACM-501
        title: "Implement OAuth2 PKCE flow"
        status: todo
        priority: high
        team: Platform
      - id: ACM-502
        title: "Fix CORS headers"
        status: in_progress
        priority: medium
        team: Platform
      - id: ACM-503
        title: "Implement rate limiter"
        status: todo
        priority: high
        team: Platform
expected_state:
  gh:
    command_history:
      - pattern: "gh pr list.*--repo acme-corp/web-platform"
  linear:
    issues:
      - id: ACM-501
        status: in_progress
      - id: ACM-502
        status: in_progress
      - id: ACM-503
        status: in_progress
    command_history:
      - pattern: "linear issue update ACM-501.*--status.*in_progress"
      - pattern: "linear issue update ACM-503.*--status.*in_progress"
scoring:
  outcome: 0.6
  efficiency: 0.2
  recovery: 0.2
max_turns: 10
optimal_commands: 6
timeout_seconds: 90