Matter Cameras Bridge 0.5.6-beta

Fixed

• One-click updates no longer leave the bridge stopped after rebuilding: the helper recreates containers with up -d --remove-orphans and verifies the app is running, failing loudly with logs if it is not.
• The Web UI reports a stalled update after three minutes with the host recovery command and the tail of self-update.log instead of waiting silently.

Follow-up to #4.