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This script was previously unversioned at /paperclip/privilegedescalation/agents/. Moving it here enables proper PR-based review of changes. The script generates GitHub App installation access tokens by: 1. Building a JWT using the GitHub App ID and PEM key 2. Fetching the installation ID 3. Exchanging for an installation access token Used by all agents for GitHub API access. Co-authored-by: Hugh Hackman <hugh@privilegedescalation>