fix(invidious): correct indentation in version retrieval
fix(fleet-install): switch from MariaDB to MySQL setup and update database creation logic
fix(tools): add MySQL repository handling in helper functions
Puter: protocol was missing from config.json, causing origin to be
computed as 'undefined://IP:4100'. All API/WebSocket URLs inherited
this broken value, making the frontend unable to load.
Fleet: MySQL APT repo requires Debian 12 (Bookworm), not 13.