Test creating a per-client recent cache using a stream queue
- Implement per-client cache as stream queue
- Using js adapter as an experiment
- Set per message expiry like hydrogen
- On reading from the inbox, set a per message type expiry and write back to cache
- Use non-destructive read to get all recent history from queue
- Is there a limit on the size of this either for storage or for reading - Wire up to hydrogen to replace local file cache
- Test with multiple browser session to check cache can be retrieved many times
- Test expired messages disapper
