Function handle_provision 

pub fn handle_provision(
    cmd: ProvisionCommand,
    passphrase_provider: Arc<dyn PassphraseProvider + Send + Sync>,
) -> Result<()>

Handle the provision command.

Args:

• cmd: The parsed provision command with config path, dry-run, and force flags.
• passphrase_provider: Provider for key encryption passphrases.

Usage:

handle_provision(cmd, Arc::clone(&passphrase_provider))?;