type CatalogSnapshot = {

apiBaseUrl: string;

authorizationHeader: string;

modelsByRoute: Map<string, ModelDefinitionConfig>;

nativeModelIds: Map<string, string>;

};

function updateDiscoveredModels(

rootUrl: string,

providers: CatalogProvider[],

apiKey: string,

): ModelDefinitionConfig[] {

const models = new Map<string, ModelDefinitionConfig>();

const modelsByRoute = new Map<string, ModelDefinitionConfig>();

// Keeping older credential-scoped catalogs would leak stale grants and grow forever.

catalogSnapshot = {

apiBaseUrl: `${rootUrl}/v1`,

authorizationHeader: `Bearer ${apiKey}`,

modelsByRoute,

nativeModelIds,

};

api: "openai-responses",

apiKey: params.apiKey,

authHeader: true,

models: updateDiscoveredModels(rootUrl, providers),

models: updateDiscoveredModels(rootUrl, providers, params.apiKey),

};

}

export function normalizeClawRouterResolvedModel(

model: ProviderRuntimeModel,

): ProviderRuntimeModel | undefined {

const upstreamModel = catalogSnapshot?.nativeModelIds.get(routeKey(model.baseUrl, model.id));

return upstreamModel && upstreamModel !== model.id ? { ...model, id: upstreamModel } : undefined;

const discovered = catalogSnapshot?.modelsByRoute.get(routeKey(model.baseUrl, model.id));

if (!catalogSnapshot || !discovered) {

return undefined;

}

const discoveredBaseUrl = discovered.baseUrl ?? catalogSnapshot.apiBaseUrl;

const upstreamModel = catalogSnapshot.nativeModelIds.get(routeKey(discoveredBaseUrl, model.id));

return {

...model,

api: discovered.api ?? model.api,

baseUrl: discoveredBaseUrl,

headers: {

...model.headers,

Authorization: catalogSnapshot.authorizationHeader,

},

...(upstreamModel && upstreamModel !== model.id ? { id: upstreamModel } : {}),

};

}

export function clearClawRouterCatalogForTests(): void {