1. Account Setup
Onboarding Checklist
AWS S3 bucket bookkeeping-prod with org/{orgId}/raw/{yyyy}/{mm}/ and org/{orgId}/processed/
Google Document AI (Invoices) with Vision OCR fallback
Queue layer: expense_ingest_queue, ocr_queue, report_queue, notify_queue
MySQL multi-tenant schema with org_id in every business table
Firebase Auth + optional Google SSO
Discord OAuth enabled for account linking