apps/web/src/components/files/FilePreviewPanel.tsx            |  36 +------
 apps/web/src/components/files/useFileSaveCoordinator.test.tsx | 174 ++++++++++++++++++++++++++++++++
 apps/web/src/components/files/useFileSaveCoordinator.ts       |  56 ++++++++++
 3 files changed, 231 insertions(+), 35 deletions(-)