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backup 24.2.26 - Kopie/README_ARCHITECTURE.txt

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+AZA License Server – Architektur (MVP)
+
+Dateien
+1) license_server.py
+- Public API:
+  - /register
+  - /login
+  - /license/check
+  - /health
+- DB-Init/Migration (SQLite)
+- Token-Generierung + Token-Rotation (max 3 aktive Tokens/User)
+- Plan/Device-Limit Logik (basic=3, team=5)
+- Account-Status Gate (active/suspended/cancelled)
+
+2) admin_routes.py
+- Admin API (AZA_ADMIN_KEY erforderlich):
+  - POST /admin/set_plan
+  - POST /admin/set_status
+  - POST /admin/revoke_token
+  - POST /admin/audit/list
+- Audit-Logging via admin_audit Tabelle
+
+DB
+- users (email, plan, status, ...)
+- tokens (token, user_id, revoked, ...)
+- devices (user_id, device_id, ...)
+- admin_audit (action, email, token, old_value, new_value, created_at)
+
+Hinweis
+- Admin-Endpunkte sind bewusst ohne UI (Support/MVP).
+- Payment (Stripe) kommt später über Status/Plan-Updates.