Function release_binaries 

pub fn release_binaries(
    source_dir: &Path,
    target_bin_dir: &Path,
    force: bool,
) -> Result<ReleaseReport>

Release BUNDLED_BINARIES from source_dir into target_bin_dir.

• source_dir: path to the directory containing bundled binaries (e.g. the Tauri resource directory).
• target_bin_dir: destination, typically ~/.spool/bin/.
• force: when true, overwrites existing binaries even if they look identical. Use during version upgrades.