Use -1 as a sentinel meaning "no cap" in tier_definitions numeric
columns. checkAndIncrementTierLimit skips the usage-cap WHERE clause
when the limit is -1. Admin tier UI gets an Unlimited switch per
field that disables the input and sends -1.
- ai-generate-dialog: useLocale() returns {locale,setLocale} object, not
string — was stringifying whole object as default language value
- auth/server: add trustedOrigins so session cookie survives reverse-proxy
deployments where BETTER_AUTH_URL differs from container's own view
- admin: add tier limit editor (/admin/tiers) and per-user usage reset
button, both audit-logged
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Arnaud