name?: string;

};

/** Resolve the first usable path or URL reference for a generated attachment. */

export function generatedAttachmentReference(

attachment: AgentGeneratedAttachment,

): string | undefined {

function generatedAttachmentReference(attachment: AgentGeneratedAttachment): string | undefined {

return normalizeOptionalString(

attachment.path ?? attachment.url ?? attachment.mediaUrl ?? attachment.filePath,

);

);

}

/** Resolve a display name from attachment metadata or path basename. */

export function nameFromGeneratedAttachment(

attachment: AgentGeneratedAttachment,

): string | undefined {

function nameFromGeneratedAttachment(attachment: AgentGeneratedAttachment): string | undefined {

return (

normalizeOptionalString(attachment.name) ??

basenameFromAnyPath(generatedAttachmentReference(attachment) ?? "")

return collectProviderApiKeys("anthropic");

}

/** Collect Gemini API keys for live cache/model tests. */

export function collectGeminiApiKeys(): string[] {

return collectProviderApiKeys("google");

}

/** Return whether a provider error message indicates API-key rate limiting. */

export function isApiKeyRateLimitError(message: string): boolean {

const lower = normalizeLowercaseStringOrEmpty(message);

return false;

}

/** Return whether an Anthropic error message indicates rate limiting. */

export function isAnthropicRateLimitError(message: string): boolean {

return isApiKeyRateLimitError(message);

}

/** Return whether an Anthropic error message indicates billing exhaustion. */

export function isAnthropicBillingError(message: string): boolean {

const lower = normalizeLowercaseStringOrEmpty(message);

export type { FetchLike };

/** Default MCP HTTP fetch backed by lazy-loaded undici runtime deps. */

export const fetchWithUndici: FetchLike = async (url, init) =>

const fetchWithUndici: FetchLike = async (url, init) =>

(await loadUndiciRuntimeDeps().fetch(

url,

init as Parameters<ReturnType<typeof loadUndiciRuntimeDeps>["fetch"]>[1],