openai/gpt-chat-latest → A (9:1)

Side A adds an entirely new Reddit API client with rate limiting, request handling, structured response types, custom serde deserializers, and helper methods for working with posts and comments, introducing substantial reusable functionality. Side B mainly refactors the post header to relocate the delete button and updates CSS flex layout to support the new placement, which is a useful UI improvement but much narrower in long-term impact.