hosts/library: enable API keys for open-webui

hosts/library/ai.nix

@@ -24,6 +24,7 @@ in
       in
       {
         WEBUI_URL = publicUrl;
+        ENABLE_API_KEYS = "True";
         ENABLE_LOGIN_FORM = "False";
         ENABLE_OAUTH_SIGNUP = "True";
         ENABLE_OAUTH_ROLE_MANAGEMENT = "True";
@@ -33,6 +34,7 @@ in
         OPENID_PROVIDER_URL = "https://auth.vimium.com/oauth2/openid/${clientId}/.well-known/openid-configuration";
         OPENID_REDIRECT_URI = "${publicUrl}/oauth/oidc/callback";
         CORS_ALLOW_ORIGIN = "*";
+        USER_PERMISSIONS_FEATURES_API_KEYS = "True";
 
         # Fix from https://github.com/NixOS/nixpkgs/pull/431395
         STATIC_DIR = "${stateDir}/static";