- data_http: parsea last_runs[] del /api/dags y guarda d.last_runs_status (max 5, mas reciente primero).
- tabs.cpp DAG List: 5 columnas R1..R5 con CellRenderer::Badge + BadgeRule por status (success=verde, failed=rojo, running=amarillo, pending/cancelled=gris, "-"=tenue).
- main.cpp: g_refresh_pending. WS auto-trigger refresh /api/dags cuando ve un run con status terminal -> last_runs se actualiza sin pulsar nada.
- main + tabs: extern "C" dag_list_request_refresh() para el boton Refresh manual.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>