wmj 5b08f8b041 docs: add system auth architecture reference (28 June 2026) ...

Comprehensive document covering:
- Auth chain (how login works end-to-end)
- Three-database architecture (UmmahID SQLite, V1 Mobile SQLite, Postgres)
- Password management (self-heal = single source of truth)
- FLH Islamic Finance endpoints and data flow
- Testing checklist for future verification
- Troubleshooting history

2026-06-28 21:29:54 +02:00

..

auth-architecture-reference.md

docs: add system auth architecture reference (28 June 2026)

2026-06-28 21:29:54 +02:00