Function run 

pub async fn run(settings: &Settings, deploy_id: &str) -> Result<(), CliError>

Abort a staged deployment by dropping schemas, clusters, and deployment records.

This command:

• Validates that the deployment exists and hasn’t been promoted
• Requires the materialize_deployer role
• Drops all staging schemas (with _<deploy_id> suffix)
• Drops all staging clusters (with _<deploy_id> suffix)
• Deletes deployment tracking records

Arguments

• settings - CLI settings containing connection and directory info
• deploy_id - Staging deployment ID to abort

Returns

Ok(()) if abort succeeds

Errors

Returns CliError::Connection if the deployment doesn’t exist Returns CliError::Connection if the deployment was already promoted Returns CliError::RoleNotAuthorized if the user lacks the required role