Single helper builds vals for fusion.login.audit rows from the live
HTTP request, or falls back to ip=''internal'' + geo_lookup_state=''internal''
when there is no request. Parses UA into browser/os/device_type via the
bundled user_agents library. Never reads credential[''password'']. Tests
cover: no-request fallback, UA parsing on a Chrome/Windows UA, and the
regression that no password value leaks into the vals dict.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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