Personalizacion cliente tagumedica: permisos, refactor de vistas y limpieza de tools

- Agrega permiso de menu para vania.barrios@tagumedica.com
- Renombra test/ a tools/ (colecciones de requests SAP/ApiGateway)
- Renombra vistas de frontend con sufijo View para consistencia
- Refactor de componentes UI compartidos y agrega utilidades (Icon, PageLoader, SecondaryButton, FieldTooltip, errors)

mini-frontend/src/components/ui/FieldTooltip.tsx

@@ -0,0 +1,24 @@
+interface FieldTooltipProps {
+  text?: string;
+}
+
+export default function FieldTooltip({ text }: FieldTooltipProps) {
+  if (!text) return null;
+
+  return (
+    <span className="relative inline-flex group align-middle ml-1">
+      <span
+        tabIndex={0}
+        className="inline-flex items-center justify-center w-3.5 h-3.5 rounded-full border border-[var(--color-border)] text-[var(--color-text-muted)] text-[9px] leading-none font-semibold cursor-help select-none"
+      >
+        i
+      </span>
+      <span
+        role="tooltip"
+        className="pointer-events-none absolute left-1/2 bottom-full z-20 mb-1 -translate-x-1/2 whitespace-nowrap border border-[var(--color-border)] bg-[var(--color-surface)] px-2 py-1 text-[11px] font-normal normal-case text-[var(--color-text)] opacity-0 invisible group-hover:visible group-hover:opacity-100 group-focus-within:visible group-focus-within:opacity-100"
+      >
+        {text}
+      </span>
+    </span>
+  );
+}