Current topic: "Issue #54: Restore Missing Brace in UpgradeDialog.kt"
Topic summary: I've identified the missing closing brace for the `UpgradeDialog` function in `UpgradeDialog.kt`. I am now restoring it to fix the syntax error. Once corrected, I will proceed to commit and push the changes.

Strategic Intent: Restore the missing closing brace in `UpgradeDialog.kt`.