feat(types): Type Editor panel — CRUD de tipos en vivo (issue 0007)

- views_type_editor: panel "Types" con tabs Entities/Relations.
  Entities: name, color picker, shape combo, icon (ti-* + cp preview),
  principal_field combo, tabla de Fields (string/int/float/bool/date/url/enum)
  con required y enum values CSV; up/down/X por fila.
  Relations: name, color, style.
  Footer Save / Reload from disk + indicador dirty + error inline.
- views_type_editor_delete_modal: confirm con conteo de entidades en uso.
- types_registry: shape_name() + shape: emit en types_save_yaml para
  round-trip estable de la cosmetica editada en UI.
- main.cpp: panel "Types" en g_panels; init types_draft tras load_input;
  want_types_save -> save + apply_types_yaml + rebuild atlas + bind +
  refresh inspector caches; want_types_reload simetrico; conteo de
  uso desde operations.db cuando se abre el modal de delete.

issues/completed/0007-type-editor-panel.md

@@ -1,9 +1,10 @@
 ---
 id: 0007
 title: Type Editor panel — CRUD de tipos desde la app
-status: pending
+status: completed
 priority: medium
 created: 2026-04-30
+completed: 2026-05-01
 depends_on: [0005, 0006]
 ---