T3 Code Mirin 0.1.2

• The app checks for updates 15 s after launch and every 4 minutes (the Electron cadence); download and install stay in Settings.
• The backend follows the host down: a force-quit or crash of the shell no longer leaves a server on port 3873.
• Signed and notarized; the delta patch from 0.1.0 is included for the in-app updater. 0.1.1 was a local-only build used to verify the updater and was never published.