feat(nakui-explorer): nuevo binario GPUI — Nakui visible en la interfaz

Cierra "nakui no tiene UI propia" del audit. Nuevo binario standalone
nakui-explorer (paralelo a nouser-explorer) que renderea el event log
de un repo Nakui: timeline scrollable de seeds + morphisms con sus
parametros, breakdown por entity type, polling cada 2s para detectar
nuevos eventos appended sin restart.

Diseno: lee directamente el archivo .jsonl del nakui_core::event_log::
EventLog. Path por env NAKUI_EVENT_LOG, default "nakui.jsonl" en pwd.
Sin discovery via broker brahman porque nakui hoy es CLI/library/demos,
no daemon. Cuando se daemonice, sustituir el lector de archivo por
un sidecar consumer (mismo patron que nouser-explorer).

UI:
- Header: path, count total + breakdown seeds/morphisms, reload time.
- Breakdown line: top 5 buckets por frecuencia (entities + morphisms).
- Timeline: tarjetas color-coded por kind (azul=seed, verde=morphism)
  con #seq, kind, entity/morphism, id corto, preview de data/params,
  schema hash o "(legacy)". Mas-recientes-primero, hasta 200 visibles.
- Error banner si lectura falla; el explorer no crashea, sigue
  intentando cada 2s.

Wire: nuevo crates/apps/nakui-explorer/ agregado al workspace. Deps
minimas: nakui-core, gpui, serde_json, uuid (feature serde). Sin
deps de brahman (Nakui standalone).

Tests: 7 unitarios cubriendo load_log (in-order, missing-file),
breakdown (counts + buckets), preview_value (truncate + intact),
short_uuid + short_hash.

Activacion:
  NAKUI_EVENT_LOG=/tmp/nakui_inv_xxx.jsonl cargo run -p nakui-explorer

Estado del CHANGELOG global tras este commit: cero pendientes
fundamentados activos. Lo unico que queda es minga-vfs (FUSE,
explicitamente diferido) y mejoras nice-to-have (cobertura adicional
per-lenguaje, daemon-izacion de nakui para sidecar discovery).
This commit is contained in:
Sergio
2026-05-09 19:33:50 +00:00
parent 6be50c5b73
commit 5b8f71e0de
5 changed files with 594 additions and 0 deletions
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[package]
name = "nakui-explorer"
version.workspace = true
edition.workspace = true
license.workspace = true
description = "Explorador GPUI del event log de Nakui: timeline de seeds + morphisms, schema hashes, breakdown por entity. Standalone (lee un .jsonl) — futura integración con sidecar brahman cuando nakui se daemonice."
[dependencies]
nakui-core = { path = "../../modules/nakui/core" }
gpui = { workspace = true }
serde_json = { workspace = true }
uuid = { workspace = true, features = ["serde"] }
[dev-dependencies]
tempfile = { workspace = true }
[[bin]]
name = "nakui-explorer"
path = "src/main.rs"
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//! `nakui-explorer` — panel GPUI que renderea el event log de un
//! repo Nakui: timeline de seeds + morphisms con sus parámetros y
//! breakdown por entity type.
//!
//! ## Diseño
//!
//! Standalone, lee un archivo `.jsonl` (formato append-only del
//! `nakui_core::event_log::EventLog`). Refresh por polling cada 2s
//! para detectar nuevos eventos appended (típico de un nakui ERP en
//! producción que va escribiendo). Sin discovery dinámico vía broker
//! brahman porque nakui hoy es CLI/library/demos, no daemon — cuando
//! se daemonice, sustituir el lector de archivo por un sidecar
//! consumer (mismo patrón que `nouser-explorer`).
//!
//! ## Uso
//!
//! ```sh
//! # Path explícito:
//! NAKUI_EVENT_LOG=/tmp/nakui-demo.jsonl cargo run -p nakui-explorer
//!
//! # Default si la env no está: ./nakui.jsonl en pwd.
//! cargo run -p nakui-explorer
//! ```
use std::path::PathBuf;
use std::time::Duration;
use gpui::{
div, prelude::*, px, rgb, App, Application, Bounds, Context, IntoElement, Render,
SharedString, Window, WindowBounds, WindowOptions,
};
use nakui_core::event_log::{EventLog, LogEntry};
const REFRESH_INTERVAL: Duration = Duration::from_secs(2);
fn main() {
Application::new().run(|cx: &mut App| {
let bounds = Bounds::centered(None, gpui::size(px(900.), px(640.)), cx);
cx.open_window(
WindowOptions {
window_bounds: Some(WindowBounds::Windowed(bounds)),
titlebar: Some(gpui::TitlebarOptions {
title: Some(SharedString::from("Nakui — Event Log")),
..Default::default()
}),
..Default::default()
},
|_w, cx| cx.new(Explorer::new),
)
.expect("open window");
cx.activate(true);
});
}
/// Estado de la vista. `entries` se reescribe en cada tick (el log
/// es append-only así que reload completo es seguro y barato hasta
/// decenas de miles de entries; optimizar a delta cuando duela).
struct Explorer {
log_path: PathBuf,
entries: Vec<LogEntry>,
error: Option<SharedString>,
last_load_ms: u64,
}
impl Explorer {
fn new(cx: &mut Context<Self>) -> Self {
let log_path = std::env::var("NAKUI_EVENT_LOG")
.ok()
.map(PathBuf::from)
.unwrap_or_else(|| PathBuf::from("nakui.jsonl"));
// Loop de refresh.
let path_for_loop = log_path.clone();
cx.spawn(async move |this, cx| {
let timer = cx.background_executor().clone();
loop {
let started = std::time::Instant::now();
let result = load_log(&path_for_loop);
let elapsed_ms = started.elapsed().as_millis() as u64;
let _ = this.update(cx, |me, cx| {
match result {
Ok(entries) => {
me.entries = entries;
me.error = None;
}
Err(e) => {
me.error = Some(SharedString::from(format!(
"no pude leer {}: {}",
me.log_path.display(),
e
)));
}
}
me.last_load_ms = elapsed_ms;
cx.notify();
});
timer.timer(REFRESH_INTERVAL).await;
}
})
.detach();
Self {
log_path,
entries: Vec::new(),
error: None,
last_load_ms: 0,
}
}
fn breakdown(&self) -> (usize, usize, Vec<(String, usize)>) {
let mut seeds = 0;
let mut morphisms = 0;
let mut entity_counts: std::collections::BTreeMap<String, usize> =
std::collections::BTreeMap::new();
for e in &self.entries {
match e {
LogEntry::Seed { entity, .. } => {
seeds += 1;
*entity_counts.entry(entity.clone()).or_default() += 1;
}
LogEntry::Morphism { morphism, .. } => {
morphisms += 1;
*entity_counts.entry(format!("{}", morphism)).or_default() += 1;
}
}
}
let mut ranked: Vec<_> = entity_counts.into_iter().collect();
ranked.sort_by(|a, b| b.1.cmp(&a.1));
(seeds, morphisms, ranked)
}
}
fn load_log(path: &std::path::Path) -> Result<Vec<LogEntry>, String> {
let log = EventLog::open(path).map_err(|e| format!("open: {e}"))?;
log.entries().map_err(|e| format!("read: {e}"))
}
impl Render for Explorer {
fn render(&mut self, _w: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
let bg = rgb(0x14171c);
let card_bg = rgb(0x1d2128);
let text_dim = rgb(0x9ba1ad);
let text = rgb(0xe6e8ec);
let accent_seed = rgb(0x88c0d0);
let accent_morphism = rgb(0xa3be8c);
let _ = card_bg;
let (seed_count, morphism_count, top_breakdown) = self.breakdown();
let header_text = format!(
"Log: {} · {} entries ({} seeds, {} morphisms) · reload {} ms",
self.log_path.display(),
self.entries.len(),
seed_count,
morphism_count,
self.last_load_ms,
);
let header = div()
.px(px(16.))
.py(px(12.))
.bg(card_bg)
.border_b_1()
.border_color(rgb(0x2a2f38))
.text_color(text)
.text_size(px(14.))
.child(header_text);
let breakdown_line = if top_breakdown.is_empty() {
String::new()
} else {
let parts: Vec<String> = top_breakdown
.iter()
.take(5)
.map(|(k, v)| format!("{k}({v})"))
.collect();
format!("breakdown: {}", parts.join(", "))
};
let breakdown_div = (!breakdown_line.is_empty()).then(|| {
div()
.px(px(16.))
.py(px(6.))
.bg(rgb(0x16191f))
.text_color(text_dim)
.text_size(px(11.))
.child(breakdown_line)
});
let error_banner = self.error.as_ref().map(|e| {
div()
.px(px(16.))
.py(px(8.))
.bg(rgb(0x4a2020))
.text_color(rgb(0xffd0d0))
.text_size(px(12.))
.child(e.clone())
});
// Renderea las últimas N entries (la timeline crece hacia abajo
// en append-order; mostramos las más recientes primero para
// que el usuario vea actividad reciente sin scroll).
const MAX_VISIBLE: usize = 200;
let visible: Vec<_> = self
.entries
.iter()
.rev()
.take(MAX_VISIBLE)
.collect();
let cards: Vec<gpui::AnyElement> = visible
.iter()
.map(|e| match e {
LogEntry::Seed {
seq,
entity,
id,
data,
schema_hash,
} => {
let data_preview = preview_value(data, 80);
let schema_label = schema_hash
.as_ref()
.map(|h| format!("schema={}", short_hash(h)))
.unwrap_or_else(|| "schema=(legacy)".into());
div()
.flex()
.flex_col()
.px(px(12.))
.py(px(8.))
.mb(px(4.))
.bg(card_bg)
.rounded(px(4.))
.border_l_4()
.border_color(accent_seed)
.gap(px(2.))
.child(
div()
.flex()
.flex_row()
.gap(px(8.))
.items_center()
.child(
div()
.text_color(accent_seed)
.text_size(px(11.))
.child(format!("[#{seq} seed]")),
)
.child(
div()
.text_color(text)
.text_size(px(13.))
.child(entity.clone()),
)
.child(
div()
.text_color(text_dim)
.text_size(px(10.))
.child(format!("id={}", short_uuid(id))),
),
)
.child(
div()
.text_color(text_dim)
.text_size(px(11.))
.child(data_preview),
)
.child(
div()
.text_color(text_dim)
.text_size(px(10.))
.child(schema_label),
)
.into_any_element()
}
LogEntry::Morphism {
seq,
morphism,
inputs,
params,
ops,
schema_hash,
} => {
let inputs_line = if inputs.is_empty() {
String::new()
} else {
let parts: Vec<String> = inputs
.iter()
.map(|(name, id)| format!("{name}={}", short_uuid(id)))
.collect();
format!("inputs: {}", parts.join(", "))
};
let params_line = preview_value(params, 80);
let ops_line = format!("{} op(s)", ops.len());
let schema_label = schema_hash
.as_ref()
.map(|h| format!("schema={}", short_hash(h)))
.unwrap_or_else(|| "schema=(legacy)".into());
div()
.flex()
.flex_col()
.px(px(12.))
.py(px(8.))
.mb(px(4.))
.bg(card_bg)
.rounded(px(4.))
.border_l_4()
.border_color(accent_morphism)
.gap(px(2.))
.child(
div()
.flex()
.flex_row()
.gap(px(8.))
.items_center()
.child(
div()
.text_color(accent_morphism)
.text_size(px(11.))
.child(format!("[#{seq} morph]")),
)
.child(
div()
.text_color(text)
.text_size(px(13.))
.child(morphism.clone()),
)
.child(
div()
.text_color(text_dim)
.text_size(px(10.))
.child(ops_line),
),
)
.when(!inputs_line.is_empty(), |d| {
d.child(
div()
.text_color(text_dim)
.text_size(px(11.))
.child(inputs_line),
)
})
.when(!params_line.is_empty(), |d| {
d.child(
div()
.text_color(text_dim)
.text_size(px(11.))
.child(format!("params: {params_line}")),
)
})
.child(
div()
.text_color(text_dim)
.text_size(px(10.))
.child(schema_label),
)
.into_any_element()
}
})
.collect();
let body = div()
.flex()
.flex_col()
.p(px(12.))
.overflow_hidden()
.children(cards);
div()
.flex()
.flex_col()
.size_full()
.bg(bg)
.child(header)
.when_some(breakdown_div, |d, b| d.child(b))
.when_some(error_banner, |d, b| d.child(b))
.child(body)
}
}
fn short_uuid(id: &uuid::Uuid) -> String {
let s = id.to_string();
if s.len() > 8 {
s[..8].to_string()
} else {
s
}
}
fn short_hash(h: &[u8; 32]) -> String {
let mut s = String::with_capacity(8);
for b in h.iter().take(4) {
use std::fmt::Write;
let _ = write!(s, "{:02x}", b);
}
s
}
/// Renderiza un `serde_json::Value` en una sola línea limitada a `max`
/// caracteres (para preview en la timeline, no para edición).
fn preview_value(v: &serde_json::Value, max: usize) -> String {
let s = v.to_string();
if s.chars().count() <= max {
s
} else {
let truncated: String = s.chars().take(max - 3).collect();
format!("{truncated}...")
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::io::Write;
fn write_sample_log() -> tempfile::NamedTempFile {
let mut f = tempfile::NamedTempFile::new().unwrap();
// 3 seeds + 2 morphisms, formato canónico de event_log.
let lines = [
r#"{"kind":"seed","seq":0,"entity":"product","id":"00000000-0000-0000-0000-000000000001","data":{"sku":"A"}}"#,
r#"{"kind":"seed","seq":1,"entity":"product","id":"00000000-0000-0000-0000-000000000002","data":{"sku":"B"}}"#,
r#"{"kind":"seed","seq":2,"entity":"customer","id":"00000000-0000-0000-0000-000000000003","data":{"name":"Acme"}}"#,
r#"{"kind":"morphism","seq":3,"morphism":"sale.create","inputs":{"product":"00000000-0000-0000-0000-000000000001"},"params":{"qty":1},"ops":[]}"#,
r#"{"kind":"morphism","seq":4,"morphism":"sale.refund","inputs":{},"params":{},"ops":[]}"#,
];
for l in lines {
writeln!(f, "{l}").unwrap();
}
f.flush().unwrap();
f
}
#[test]
fn load_log_returns_all_entries_in_order() {
let f = write_sample_log();
let entries = load_log(f.path()).expect("load");
assert_eq!(entries.len(), 5);
for (i, e) in entries.iter().enumerate() {
assert_eq!(e.seq(), i as u64, "seqs should be 0..4 contiguous");
}
}
#[test]
fn breakdown_counts_seeds_morphisms_and_buckets() {
let f = write_sample_log();
let entries = load_log(f.path()).unwrap();
let me = Explorer {
log_path: f.path().to_path_buf(),
entries,
error: None,
last_load_ms: 0,
};
let (seeds, morphisms, ranked) = me.breakdown();
assert_eq!(seeds, 3);
assert_eq!(morphisms, 2);
// Buckets esperados: product (2), customer (1), → sale.create (1),
// → sale.refund (1).
assert_eq!(ranked.len(), 4);
let map: std::collections::BTreeMap<_, _> = ranked.into_iter().collect();
assert_eq!(map.get("product"), Some(&2));
assert_eq!(map.get("customer"), Some(&1));
assert_eq!(map.get("→ sale.create"), Some(&1));
assert_eq!(map.get("→ sale.refund"), Some(&1));
}
#[test]
fn load_missing_file_yields_empty_not_error() {
// EventLog::open de un archivo inexistente no falla; entries() devuelve [].
let path = std::env::temp_dir().join("nakui-explorer-missing-test.jsonl");
let _ = std::fs::remove_file(&path);
let result = load_log(&path).expect("missing path is OK per EventLog::open contract");
assert!(result.is_empty());
}
#[test]
fn preview_value_truncates_long_strings() {
let v = serde_json::json!({"a": "x".repeat(200)});
let p = preview_value(&v, 30);
assert!(p.len() <= 30);
assert!(p.ends_with("..."));
}
#[test]
fn preview_value_keeps_short_strings_intact() {
let v = serde_json::json!({"a": 1});
let p = preview_value(&v, 30);
assert_eq!(p, "{\"a\":1}");
}
#[test]
fn short_uuid_takes_first_8_chars() {
let id = uuid::Uuid::parse_str("a1b2c3d4-e5f6-7890-abcd-ef1234567890").unwrap();
assert_eq!(short_uuid(&id), "a1b2c3d4");
}
#[test]
fn short_hash_takes_first_4_bytes_hex() {
let mut h = [0u8; 32];
h[0] = 0xaa;
h[1] = 0xbb;
h[2] = 0xcc;
h[3] = 0xdd;
assert_eq!(short_hash(&h), "aabbccdd");
}
}