apps/desktop/src/preview/Manager.test.ts         | 248 ++++++++++++++------
 apps/desktop/src/preview/Manager.ts              | 404 +++++++++++++++++++++++++++-----
 apps/desktop/src/preview/PreviewKeyboard.test.ts |  89 ++++++-
 apps/desktop/src/preview/PreviewKeyboard.ts      | 162 ++++++++++++-
 4 files changed, 766 insertions(+), 137 deletions(-)