b8d31e3dc4
- Modules\Shared\Bnfexpress\BnfexpressAdminClient: HMAC-signed HTTP client for bnfexpress's admin API (EV FAQs, agent instructions, chat history), with a bnfexpress:smoke-test command and full unit coverage. - New ai-agent module: Filament pages to manage EV FAQs, publish/roll back agent instruction versions, and browse EV chat history + transcripts. - New manage_ai_agent permission (super_admin/admin). - Recorded .ai/rules for the client's auth scheme and non-Resource Filament page/table testing gotchas.