- Updated `already_formatted()` to use `blkid` plus safe read-only mount for accurate filesystem detection.
- Added conditional `-f` flag to `mkfs` only when `overwrite: true` is set.
- Removed `continue` statements from the shell script to prevent runtime errors.
- Updated Go overlay snapshot tests to reflect new template rendering.
- Ensures disks with leftover signatures but no valid filesystem are properly reformatted during node provisioning.
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