Merge pull request #47 from patrickjquinn/settings-fix

feat(shell): expand OOBE scale options

fix(shell): refresh task switcher previews

fix(shell): unregister apps on crash and back result

feat(settings): complete settings app audit

feat(keyboard): wire settings to input context

feat(shell): extend security and settings IPC

fix(marathon-ui): avoid double borders in sections

fix(marathon-ui): allow back to bubble in runner

docs(mapp): document MAppRouter navigation

feat(marathon-ui): add app router component

Merge pull request #46 from patrickjquinn/error-crash-fix

refactor(terminal): clean up imports and improve focus handling

feat(shell): add display scaling options to MarathonOOBE

feat(shell): enhance MarathonOOBE with mouse interaction and icon updates