sprint20-23: tests + documentation + guest access + infrastructure + migrations 0059

app/main.py

@@ -65,6 +65,8 @@ from app.routes import (
     permission_templates,
     delegations,
     policies,
+    guest_auth,
+    guests,
 )
 
 
@@ -410,6 +412,8 @@ def create_app() -> FastAPI:
     app.include_router(delegations.router)
     app.include_router(policies.router)
     app.include_router(errors.router)
+    app.include_router(guest_auth.router)
+    app.include_router(guests.router)
 
     # ── Register plugin routes for all built-in plugins ──
     # Routes are registered at app creation time so OpenAPI docs are complete.