Generate Changelog Bounty Pack

Issue: https://github.com/claude-builders-bounty/claude-builders-bounty/issues/1

Repo: https://github.com/claude-builders-bounty/claude-builders-bounty

Status: PR-ready package prepared; no revenue counted until PR/bounty acceptance and payment are verified.

Verification: Python compile check passed. Sample output generated against pallets/markupsafe through the public GitHub API.

Included