Vendor sees all audit events with tenant filter at /vendor/audit.
Tenant admin sees only their own events at /tenant/audit.
Both support pagination, action/result filters, and text search.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Splits the flat 3-page UI into /vendor/* (platform:admin) and /tenant/*
(all authenticated users) route trees, with stub pages, new API hooks,
updated Layout with persona-aware sidebar, and SpaController forwarding.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>