- Add open-webui OIDC client to Authelia config
- Configure open-webui with OIDC env vars pointing to Authelia
- Secret managed via AUTHELIA_OIDC_CLIENT_SECRET_OPEN_WEBUI env var in Portainer
- linkding: add OIDC env vars pointing to Authelia as identity provider
- authelia/config: fix issuer_private_keys → jwks (correct key for 4.38.x)
and replace non-functional template function with host-managed note