Function load_intent_node

atomic-cli/src/commands/triage/project.rs:835–841

Load a reached intent's [`CanonicalNode`], preferring a fresh attestation and falling back to a live lift — the same resolution `intent validate` uses. Returns a string error (best-effort; a load failure becomes a finding, not a hard error).

(repo: &Repository, bare_id: &str)

/// Returns a string error (best-effort; a load failure becomes a finding, not a
/// hard error).
fn load_intent_node(repo: &Repository, bare_id: &str) -> Result<CanonicalNode, String> {
    let inputs = bridge::read_intent(repo, bare_id).map_err(|e| e.to_string())?;
    match bridge::load_attestation(repo, bare_id, &inputs).map_err(|e| e.to_string())? {
        bridge::Attestation::Fresh(node) => Ok(*node),
        _ => bridge::lift(&inputs).map_err(|e| e.to_string()),
    }
}

/// The `doneSubstanceHash` pin an intent recorded when `done` was granted (T5b).
/// Lives in the intent's frontmatter (review state, deliberately not lifted into