- Add LICENSE_DEVICES env var (default 250, matches BSL 1.1 free tier)
- Add /api/settings/license endpoint returning device count vs limit
- Header shows flashing red "502/500 licensed" badge when over limit
- About page shows license tier, device count, and over-limit warning
- Nothing is crippled — all features work regardless of device count
- Bump version to 9.7.1
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
CurrentUser object uses user_id attribute, not id. Caused AttributeError
on PUT /api/settings/smtp.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>