Function memory_path_from_node

atomic-cli/src/commands/vault/context.rs:625–633

Read a vault path from KG node metadata. New identity schemes can change node IDs without changing this retrieval contract.

(node: &KgNode)

/// Read a vault path from KG node metadata. New identity schemes can change
/// node IDs without changing this retrieval contract.
fn memory_path_from_node(node: &KgNode) -> Option<String> {
    node.metadata
        .as_ref()
        .and_then(|metadata| metadata.get("vault_path"))
        .and_then(|path| path.as_str())
        .filter(|path| path.starts_with("memory/") && path.ends_with(".md"))
        .map(String::from)
        .or_else(|| legacy_memory_node_id_to_path(&node.id))
}

/// Legacy fallback: `memory:architecture` -> `memory/architecture.md`.
fn legacy_memory_node_id_to_path(node_id: &str) -> Option<String> {