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docs: app.md describe paneles + apunta a README dag_engine

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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Egutierrez
2026-05-15 17:23:20 +02:00
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@@ -40,3 +40,18 @@ cd cpp && cmake --build build --target dag_engine_ui -j
```bash
./cpp/build/dag_engine_ui
```
## Paneles
| Panel | Que muestra |
|---|---|
| DAGs | Lista de DAGs (data_table_cpp_viz). Columna `Recent` = ultimas 5 runs como puntos (CellRenderer::Dots). Double-click -> abre DAG Detail. |
| DAG Detail | Header (nombre, desc, schedule) + boton `Run Now` (POST /api/dags/{name}/run) + tabla recent runs. Double-click run -> Run Detail. |
| Run Detail | Header (id, status, started/finished) + tabla steps (status/exit/duration) + CollapsingHeader por step con stdout/stderr. |
| Timeline | Scatter ImPlot. X=tiempo, Y=DAG, color=status. Ventana 15m/1h/6h/24h/7d. Hover -> tooltip con run id + trigger. |
| Live (WS) | Estado conexion + msgs count + watermarks runs/steps + lista live runs. |
| Main (diag) | Diagnostico HTTP: boton Fetch + dump raw de g_dags. |
## Backend
Apunta a `http://127.0.0.1:8090` (dag_engine.service via systemd user unit). Para usuario / formato de DAG / troubleshooting: **[apps/dag_engine/README.md](../../apps/dag_engine/README.md)**.