lib/models.ts

/**
 * List here only the model IDs your endpoint exposes.
 * Add/remove freely – nothing else in the codebase cares.
 */
export const MODELS = ["gpt-4o-mini", "gpt-4-turbo", "gpt-3.5-turbo"] as const;

export type ModelID = (typeof MODELS)[number];

export const DEFAULT_MODEL: ModelID = "gpt-4o-mini";