Function getCacheKey

src/api/providers/fetchers/modelCache.ts:130–146

* Build a cache key that is unique per provider+server+key combination. * * - URL-scoped providers include the normalized baseUrl so that two different servers * of the same provider type never share a cache entry. * - Key-scoped providers additionally fold in a short, irreversible discriminat

(options: GetModelsOptions)

 *   Requesty). See deriveApiKeyDiscriminator for why the value cannot be reversed to the key.
 */
function getCacheKey(options: GetModelsOptions): string {
	const { provider } = options
	const isUrlScoped = URL_SCOPED_PROVIDERS.has(provider as RouterName)
	const isKeyScoped = KEY_SCOPED_PROVIDERS.has(provider as RouterName)

	// Build URL and key components independently so that key-scoped providers
	// without a custom baseUrl still get a per-key cache entry (otherwise two
	// different keys on the default server would collapse to the same entry).
	// Strip trailing slashes so "http://host:4000/" and "http://host:4000" map to the same key.
	const urlPart = isUrlScoped && options.baseUrl ? options.baseUrl.replace(/\/+$/, "") : undefined
	const keyPart = isKeyScoped && options.apiKey ? deriveApiKeyDiscriminator(options.apiKey) : undefined

	if (urlPart && keyPart) return `${provider}:${urlPart}:${keyPart}`
	if (urlPart) return `${provider}:${urlPart}`
	if (keyPart) return `${provider}:${keyPart}`
	return provider
}

/**
 * Convert a cache key to a filesystem-safe filename component.