Attach images to studio chat

You can now add images to your studio chat messages using the paperclip button, paste, or drag-and-drop — up to 10 per message, capped at 5 MB each. Attached images appear as thumbnails in the input, expand to a lightbox when clicked in sent messages, and are sent to the AI alongside your prompt. Failed uploads show a retry button, and rejected files (wrong type, too large, over the limit) surface a clear toast.