752beff429
`let invoice_id_safe = html_escape(&invoice_id);` in api::thank_you was computed but never referenced — the template uses invoice_id_json for the inline JS, and the visible invoice id renders from that JSON via JS. One-line removal; cargo check now warning-free. No behavior change. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>