docs/miler-auth-and-review-fixes-2026-09-16.md: what changed on main today and
the current flow — the new /miler/login pin_set + /miler/set-pin first-login
contract (app work needed), the seven fixes to the merged cx/handover commits,
and the live-DB test data (no-PIN riders, sample multi-destination booking).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WRaFH5hMRqmUQvVPQsyjZD
