# util ## Purpose General utilities, helper functions, and shared types used across the application. ## Key Files | File | Description | |------|-------------| | `clipboard-image.ts` | Brief description of purpose | | `env.ts` | Brief description of purpose | | `provider-error.ts` | Error normalization helpers | | `retry.ts` | Rate-limit backoff and generic retry mechanisms | | `update-check.ts` | Async check for newer npm versions | ## Subdirectories *(None)* ## For AI Agents ### Working In This Directory - Keep utilities pure and stateless where possible. - Avoid circular dependencies. ### Testing Requirements - High unit test coverage expected. ### Common Patterns - Retry loops use exponential backoff respecting `Retry-After` headers. ## Dependencies ### Internal - Used globally. ### External *(None)*