Function handleEditMessage

desktop/src/testing/e2eBridge.ts:7139–7173

* Mock the `edit_message` Tauri command. Mirrors the real Rust command * (`build_message_edit`): emit a kind:40003 edit event carrying `["e", target]` * plus the new content, media (imeta) tags, and NIP-30 emoji tags. The timeline * (`formatTimelineMessages`) scans for these edit events and overl

(
  args: {
    channelId: string;
    eventId: string;
    content: string;
    mediaTags?: string[][] | null;
    emojiTags?: string[][] | null;
  },
  config: E2eConfig | undefined,
)

 * path the real relay drives. `null`/empty tag args → no extra tags.
 */
async function handleEditMessage(
  args: {
    channelId: string;
    eventId: string;
    content: string;
    mediaTags?: string[][] | null;
    emojiTags?: string[][] | null;
  },
  config: E2eConfig | undefined,
): Promise<void> {
  const mediaTags = args.mediaTags ?? [];
  const emojiTags = args.emojiTags ?? [];
  const extraTags = [...mediaTags, ...emojiTags];
  const tags = [["h", args.channelId], ["e", args.eventId], ...extraTags];
  const content = args.content.trim();
  const identity = getIdentity(config);

  if (!identity) {
    const editEvent = createMockEvent(
      KIND_STREAM_MESSAGE_EDIT,
      content,
      tags,
      getMockMemberPubkey(config),
    );
    recordMockMessage(args.channelId, editEvent);
    emitMockLiveEvent(args.channelId, editEvent);
    return;
  }

  await submitSignedEvent(config, {
    kind: KIND_STREAM_MESSAGE_EDIT,
    content,
    tags,
  });
}

/** Locate the channel a stored mock event lives in (reactions carry no channel arg). */
function findMockEventChannel(eventId: string): string | undefined {