Add phase 6 PAN login invitation and client identity

app/modules/core/iam/invite_service.py

@@ -87,6 +87,11 @@ def accept_invite(db: Session, token: str, password: str) -> User | None:
     user.is_active = True
     record.used_at_utc = utcnow().replace(tzinfo=None)
     db.commit()
+    try:
+        from app.modules.client_identity.service import mark_identity_activated
+        mark_identity_activated(db, user.id)
+    except Exception as exc:
+        print(f"[CLIENT IDENTITY ACTIVATION WARNING] user={user.id} error={exc}")
     return user