neurographrag 2.0.5

Local GraphRAG memory for LLMs in a single SQLite file
Documentation 
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use crate::cli::MemoryType;
use crate::errors::AppError;
use crate::output::{self, OutputFormat};
use crate::paths::AppPaths;
use crate::storage::connection::open_ro;
use crate::storage::memories;
use serde::Serialize;

#[derive(clap::Args)]
pub struct ListArgs {
    #[arg(long, default_value = "global")]
    pub namespace: Option<String>,
    #[arg(long, value_enum)]
    pub r#type: Option<MemoryType>,
    #[arg(long, default_value = "50")]
    pub limit: usize,
    #[arg(long, default_value = "0")]
    pub offset: usize,
    #[arg(long, value_enum, default_value = "json")]
    pub format: OutputFormat,
    #[arg(long, env = "NEUROGRAPHRAG_DB_PATH")]
    pub db: Option<String>,
}

#[derive(Serialize)]
struct ListItem {
    id: i64,
    /// Alias semântico de `id` para contrato documentado em SKILL.md e AGENT_PROTOCOL.md.
    memory_id: i64,
    name: String,
    namespace: String,
    #[serde(rename = "type")]
    memory_type: String,
    description: String,
    snippet: String,
    updated_at: i64,
    /// Timestamp RFC 3339 UTC paralelo a `updated_at`.
    updated_at_iso: String,
}

#[derive(Serialize)]
struct ListResponse {
    items: Vec<ListItem>,
    /// Tempo total de execução em milissegundos desde início do handler até serialização.
    elapsed_ms: u64,
}

pub fn run(args: ListArgs) -> Result<(), AppError> {
    let inicio = std::time::Instant::now();
    let namespace = crate::namespace::resolve_namespace(args.namespace.as_deref())?;
    let paths = AppPaths::resolve(args.db.as_deref())?;
    let conn = open_ro(&paths.db)?;

    let memory_type_str = args.r#type.map(|t| t.as_str());
    let rows = memories::list(&conn, &namespace, memory_type_str, args.limit, args.offset)?;

    let items: Vec<ListItem> = rows
        .into_iter()
        .map(|r| {
            let snippet: String = r.body.chars().take(200).collect();
            let updated_at_iso = chrono::DateTime::<chrono::Utc>::from_timestamp(r.updated_at, 0)
                .map(|dt| dt.to_rfc3339_opts(chrono::SecondsFormat::Secs, true))
                .unwrap_or_else(|| "1970-01-01T00:00:00Z".to_string());
            ListItem {
                id: r.id,
                memory_id: r.id,
                name: r.name,
                namespace: r.namespace,
                memory_type: r.memory_type,
                description: r.description,
                snippet,
                updated_at: r.updated_at,
                updated_at_iso,
            }
        })
        .collect();

    match args.format {
        OutputFormat::Json => output::emit_json(&ListResponse {
            items,
            elapsed_ms: inicio.elapsed().as_millis() as u64,
        })?,
        OutputFormat::Text | OutputFormat::Markdown => {
            for item in &items {
                output::emit_text(&format!("{}: {}", item.name, item.snippet));
            }
        }
    }
    Ok(())
}