Function architect_apply_preview_move_from_view 

fn architect_apply_preview_move_from_view(
    view: ArchitectEditorSourceView,
    generated_root: &Path,
    source_selector: &str,
    target_selector: &str,
    placement: &str,
    source_template: Option<&str>,
) -> Result<(), AgentErrorKind>

Moves source units using the transaction’s checked base inventory, avoiding a second media scan.