v0.53.0

Fixed

• A message sent while the sidebar is still loading its stored conversation
  no longer goes out without it. Vendors @artooi/ag-ui-web-component
  0.43.0 (was 0.42.0). The sidebar mounts a conversation store, so every page
  load, thread pick and change of signed-in staff user first asks the server
  for the conversation. A send made in that window carried only its own turn,
  the agent answered without the history, and its save replaced the stored
  conversation with the new exchange. The composer now holds until the
  conversation is drawn: what is typed meanwhile shows as "Waiting to send" and
  goes out afterwards, and a checkpoint pick during the load is refused with a
  hint to wait. The load has no timeout of its own, so a slow conversation
  request keeps the composer queueing until it answers or fails. The same
  bundle closes three smaller gaps:
  • A second click on the microphone while the browser's permission prompt is
    open no longer leaves a recording nothing can stop. The latest click wins
    and the earlier grant is released.
  • A microphone the browser grants but cannot record now shows "Transcription
    failed" and releases the stream, instead of failing silently with the
    recording indicator left on.
  • Clearing the conversation (New chat, picking another thread, deleting the
    active thread) while a tool call is still running no longer leaves a
    "thinking" indicator in the next conversation.