Add Reimbursing AI Subscriptions page Documents how to remove sales tax from a ChatGPT/Codex subscription via OpenAI support (ST-5 and ST-2 forms), with TODOs for the reimbursement process and other vendors. Linked from Home. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_019T1w5Fo1HeVkVB4pdsYJbj