import type { ChatAttachment, ChatMessage } from '../types';

/** Walk the conversation and collect image attachments in chronological order. */
export function collectImageAttachments(messages: ChatMessage[]): ChatAttachment[] {
  const out: ChatAttachment[] = [];
  for (const m of messages) {
    if (!m.attachments) continue;
    for (const a of m.attachments) {
      if (a.type === 'image') out.push(a);
    }
  }
  return out;
}