}

if (!declaredPluginIds.has(plugin.id) && !warnedExternalAuthFallbackPluginIds.has(plugin.id)) {

warnedExternalAuthFallbackPluginIds.add(plugin.id);

// Deprecated compatibility path for plugins that predate the manifest

// contract. Remove this warning with the fallback resolver after the

// externalAuthProviders migration window closes.

// Deprecated compatibility path for plugins that still implement

// resolveExternalOAuthProfiles or omit contracts.externalAuthProviders.

// Remove this warning with the fallback resolver after the migration window.

log.warn(

`Provider plugin "${plugin.id}" uses external auth hooks without declaring contracts.externalAuthProviders. This compatibility fallback is deprecated and will be removed in a future release.`,

);