diff --git a/backlog/features.json b/backlog/features.json
index cfc34af..9cd5efd 100644
--- a/backlog/features.json
+++ b/backlog/features.json
@@ -6709,6 +6709,83 @@
         "close": true
       },
       "completed_at": "2026-08-22T15:50:54Z"
+    },
+    {
+      "id": "F-159",
+      "type": "feature",
+      "title": "Admin responsive collapsible sidebar",
+      "description": "Add accessible persisted SidebarToggle: desktop icon-only collapse and mobile/tablet navigation drawer without duplicated navigation logic.",
+      "priority": "high",
+      "risk": "med",
+      "status": "done",
+      "created_at": "2026-08-22",
+      "gates": {
+        "reviewer": true,
+        "security": true,
+        "qa": true,
+        "close": true
+      },
+      "completed_at": "2026-08-22T16:02:11Z"
+    },
+    {
+      "id": "F-160",
+      "type": "fix",
+      "title": "Fix Reporting sales grouped queries returning 500",
+      "description": "Diagnose and correct SQL/runtime failures for day, channel, store and terminal grouped reporting sales endpoints.",
+      "priority": "high",
+      "risk": "high",
+      "status": "pending",
+      "created_at": "2026-08-22",
+      "gates": {
+        "reviewer": false,
+        "security": false,
+        "qa": false
+      }
+    },
+    {
+      "id": "F-161",
+      "type": "fix",
+      "title": "Complete admin order detail information",
+      "description": "Order detail must show shipping address, payment method, customer details and correct customer email without false missing-email warning.",
+      "priority": "high",
+      "risk": "med",
+      "status": "pending",
+      "created_at": "2026-08-22",
+      "gates": {
+        "reviewer": false,
+        "security": false,
+        "qa": false
+      }
+    },
+    {
+      "id": "F-162",
+      "type": "fix",
+      "title": "Add storefront product link to inventory",
+      "description": "Add final Tienda column to inventory, matching product list, linking to storefront product page.",
+      "priority": "med",
+      "risk": "low",
+      "status": "pending",
+      "created_at": "2026-08-22",
+      "gates": {
+        "reviewer": false,
+        "security": false,
+        "qa": false
+      }
+    },
+    {
+      "id": "F-163",
+      "type": "feature",
+      "title": "Make POS terminal and cash session setup usable",
+      "description": "Clarify and expose terminal binding and cash session workflow so operator can configure and open TPV without manual database/API steps.",
+      "priority": "high",
+      "risk": "med",
+      "status": "pending",
+      "created_at": "2026-08-22",
+      "gates": {
+        "reviewer": false,
+        "security": false,
+        "qa": false
+      }
     }
   ]
 }
diff --git a/project/apps/admin/next-env.d.ts b/project/apps/admin/next-env.d.ts
index a419cbe..ce4e94a 100644
--- a/project/apps/admin/next-env.d.ts
+++ b/project/apps/admin/next-env.d.ts
@@ -1,7 +1,7 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/dev/types/routes.d.ts";
-import "./.next/dev/types/root-params.d.ts";
+import "./.next/types/routes.d.ts";
+import "./.next/types/root-params.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/project/apps/admin/src/app/(dashboard)/layout.tsx b/project/apps/admin/src/app/(dashboard)/layout.tsx
index 64192ae..483c8b9 100644
--- a/project/apps/admin/src/app/(dashboard)/layout.tsx
+++ b/project/apps/admin/src/app/(dashboard)/layout.tsx
@@ -1,32 +1,74 @@
 'use client';
-import { useEffect } from 'react';
-import { usePathname, useRouter } from 'next/navigation';
+
+import { useEffect, useState } from 'react';
 import Link from 'next/link';
+import { usePathname, useRouter } from 'next/navigation';
 import { AuthProvider, useAuth } from '@/features/auth/components/AuthProvider';
 import { visibleNavItems, type NavItem } from '@/lib/permissions';
 import type { Role } from '@/types';
 
-function NavItemRow({ item }: { item: NavItem }) {
+const SIDEBAR_STORAGE_KEY = 'mdv.admin.sidebar.collapsed';
+const SIDEBAR_ID = 'admin-sidebar';
+
+interface SidebarToggleProps {
+  expanded: boolean;
+  onToggle: () => void;
+  mode: 'desktop' | 'mobile';
+}
+
+function SidebarToggle({ expanded, onToggle, mode }: SidebarToggleProps) {
+  const label = mode === 'mobile'
+    ? expanded ? 'Cerrar menú de navegación' : 'Abrir menú de navegación'
+    : expanded ? 'Colapsar menú lateral' : 'Expandir menú lateral';
+
+  return (
+    <button
+      type="button"
+      onClick={onToggle}
+      aria-label={label}
+      aria-expanded={expanded}
+      aria-controls={SIDEBAR_ID}
+      title={label}
+      className="inline-flex h-10 w-10 items-center justify-center rounded-xl border border-gray-200 bg-white text-gray-600 shadow-sm transition-colors hover:bg-gray-50 hover:text-gray-900 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#2D6A4F] focus-visible:ring-offset-2"
+    >
+      {mode === 'mobile' ? (
+        <svg aria-hidden="true" className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+          {expanded
+            ? <path strokeLinecap="round" strokeLinejoin="round" d="M6 18 18 6M6 6l12 12" />
+            : <path strokeLinecap="round" strokeLinejoin="round" d="M4 6h16M4 12h16M4 18h16" />}
+        </svg>
+      ) : (
+        <svg aria-hidden="true" className={`h-5 w-5 transition-transform duration-300 ${expanded ? '' : 'rotate-180'}`} fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+          <path strokeLinecap="round" strokeLinejoin="round" d="m15 18-6-6 6-6" />
+        </svg>
+      )}
+    </button>
+  );
+}
+
+function NavItemRow({ item, collapsed, onNavigate }: { item: NavItem; collapsed: boolean; onNavigate: () => void }) {
   const pathname = usePathname();
-  const active = item.href === '/'
-    ? pathname === '/'
-    : pathname.startsWith(item.href);
+  const active = item.href === '/' ? pathname === '/' : pathname.startsWith(item.href);
 
   return (
     <Link
-      key={item.href}
       href={item.href}
-      className={`
-        flex items-center gap-3 px-3 py-2 rounded-lg text-sm font-medium transition-all
-        ${active
-          ? 'bg-[#2D6A4F]/10 text-[#2D6A4F] border-l-[3px] border-[#2D6A4F]'
-          : 'text-gray-600 hover:bg-gray-50 hover:text-gray-900'}
-      `}
+      onClick={onNavigate}
+      aria-label={item.label}
+      aria-current={active ? 'page' : undefined}
+      title={collapsed ? item.label : undefined}
+      className={`flex items-center gap-3 rounded-lg px-3 py-2 text-sm font-medium transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#2D6A4F] focus-visible:ring-offset-1 ${
+        collapsed ? 'lg:justify-center lg:px-2' : ''
+      } ${
+        active
+          ? 'border-l-[3px] border-[#2D6A4F] bg-[#2D6A4F]/10 text-[#2D6A4F]'
+          : 'text-gray-600 hover:bg-gray-50 hover:text-gray-900'
+      }`}
     >
-      <span className="text-base">{item.icon}</span>
-      <span className="truncate">{item.label}</span>
+      <span aria-hidden="true" className="shrink-0 text-base">{item.icon}</span>
+      <span className={`truncate ${collapsed ? 'lg:hidden' : ''}`}>{item.label}</span>
       {item.badge != null && item.badge > 0 && (
-        <span className="ml-auto bg-[#E76F51] text-white text-xs font-bold rounded-full px-1.5 py-0.5 min-w-[18px] text-center">
+        <span className={`ml-auto min-w-[18px] rounded-full bg-[#E76F51] px-1.5 py-0.5 text-center text-xs font-bold text-white ${collapsed ? 'lg:hidden' : ''}`}>
           {item.badge}
         </span>
       )}
@@ -34,51 +76,107 @@ function NavItemRow({ item }: { item: NavItem }) {
   );
 }
 
-function Sidebar({ role, email }: { role: Role; email: string }) {
+interface SidebarProps {
+  role: Role;
+  email: string;
+  collapsed: boolean;
+  mobileOpen: boolean;
+  onCloseMobile: () => void;
+  onLogout: () => void;
+}
+
+function Sidebar({ role, email, collapsed, mobileOpen, onCloseMobile, onLogout }: SidebarProps) {
   const items = visibleNavItems(role);
 
   return (
-    <div className="w-60 bg-white border-r border-gray-200 flex flex-col h-screen sticky top-0">
-      {/* Logo */}
-      <div className="px-4 py-5 border-b border-gray-100">
+    <aside
+      id={SIDEBAR_ID}
+      aria-label="Navegación principal"
+      className={`fixed inset-y-0 left-0 z-50 flex h-screen w-60 shrink-0 flex-col border-r border-gray-200 bg-white transition-[width,transform] duration-300 ease-in-out lg:sticky lg:top-0 lg:visible lg:translate-x-0 ${
+        mobileOpen ? 'visible translate-x-0' : 'invisible -translate-x-full'
+      } ${collapsed ? 'lg:w-20' : 'lg:w-60'}`}
+    >
+      <div className="relative border-b border-gray-100 px-4 py-5">
         <img
           src="/images/logo-main.png"
           alt="mercadodevida"
-          className="h-9 w-auto object-contain mx-auto"
+          className={`mx-auto h-9 w-auto object-contain ${collapsed ? 'lg:hidden' : ''}`}
         />
+        <span className={`hidden h-9 items-center justify-center text-2xl ${collapsed ? 'lg:flex' : ''}`} aria-hidden="true">🌿</span>
+        <div className="absolute right-2 top-4 lg:hidden">
+          <SidebarToggle expanded={mobileOpen} onToggle={onCloseMobile} mode="mobile" />
+        </div>
       </div>
 
-      {/* Nav */}
-      <nav className="flex-1 px-3 py-4 space-y-0.5 overflow-y-auto">
+      <nav aria-label="Secciones del panel" className="flex-1 space-y-0.5 overflow-y-auto px-3 py-4">
         {items.map((item) => (
-          <NavItemRow key={item.href} item={item} />
+          <NavItemRow key={item.href} item={item} collapsed={collapsed} onNavigate={onCloseMobile} />
         ))}
       </nav>
 
-      {/* User footer */}
-      <div className="px-3 py-4 border-t border-gray-100">
-        <div className="px-3 py-2 mb-2">
-          <p className="text-xs text-gray-400 truncate">{email}</p>
-          <p className="text-xs text-gray-500 capitalize">{role}</p>
+      <div className="border-t border-gray-100 px-3 py-4">
+        <div className={`px-3 py-2 ${collapsed ? 'lg:hidden' : ''}`}>
+          <p className="truncate text-xs text-gray-400">{email}</p>
+          <p className="text-xs capitalize text-gray-500">{role}</p>
         </div>
+        <button
+          type="button"
+          onClick={onLogout}
+          aria-label="Cerrar sesión"
+          title={collapsed ? 'Cerrar sesión' : undefined}
+          className={`mt-1 flex w-full items-center gap-2 rounded-lg px-3 py-2 text-sm text-gray-500 transition-colors hover:bg-gray-50 hover:text-gray-700 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#2D6A4F] ${
+            collapsed ? 'lg:justify-center lg:px-2' : ''
+          }`}
+        >
+          <svg aria-hidden="true" className="h-4 w-4 shrink-0" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+            <path strokeLinecap="round" strokeLinejoin="round" d="M15.75 9V5.25A2.25 2.25 0 0 0 13.5 3h-6a2.25 2.25 0 0 0-2.25 2.25v13.5A2.25 2.25 0 0 0 7.5 21h6a2.25 2.25 0 0 0 2.25-2.25V15M12 9l-3 3m0 0 3 3m-3-3h12.75" />
+          </svg>
+          <span className={collapsed ? 'lg:hidden' : ''}>Cerrar sesión</span>
+        </button>
       </div>
-    </div>
+    </aside>
   );
 }
 
 function DashboardShell({ children }: { children: React.ReactNode }) {
   const { user, loading, logout } = useAuth();
   const router = useRouter();
+  const pathname = usePathname();
+  const [desktopCollapsed, setDesktopCollapsed] = useState(false);
+  const [mobileOpen, setMobileOpen] = useState(false);
 
   useEffect(() => {
-    if (!loading && !user) {
-      router.push('/login');
-    }
+    if (!loading && !user) router.push('/login');
   }, [user, loading, router]);
 
+  useEffect(() => {
+    setDesktopCollapsed(localStorage.getItem(SIDEBAR_STORAGE_KEY) === 'true');
+  }, []);
+
+  useEffect(() => {
+    setMobileOpen(false);
+  }, [pathname]);
+
+  useEffect(() => {
+    if (!mobileOpen) return;
+    const onKeyDown = (event: KeyboardEvent) => {
+      if (event.key === 'Escape') setMobileOpen(false);
+    };
+    document.addEventListener('keydown', onKeyDown);
+    return () => document.removeEventListener('keydown', onKeyDown);
+  }, [mobileOpen]);
+
+  const toggleDesktop = () => {
+    setDesktopCollapsed((current) => {
+      const next = !current;
+      localStorage.setItem(SIDEBAR_STORAGE_KEY, String(next));
+      return next;
+    });
+  };
+
   if (loading) {
     return (
-      <div className="min-h-screen flex items-center justify-center bg-gray-50">
+      <div className="flex min-h-screen items-center justify-center bg-gray-50">
         <div className="text-gray-500">Cargando...</div>
       </div>
     );
@@ -88,12 +186,35 @@ function DashboardShell({ children }: { children: React.ReactNode }) {
 
   return (
     <div className="flex min-h-screen bg-gray-50">
-      <Sidebar role={user.role} email={user.email} />
-      <main className="flex-1 min-w-0">
-        <div className="w-full px-4 sm:px-6 lg:px-10 py-6 lg:py-8">
-          {children}
-        </div>
-      </main>
+      {mobileOpen && (
+        <button
+          type="button"
+          aria-label="Cerrar menú de navegación"
+          onClick={() => setMobileOpen(false)}
+          className="fixed inset-0 z-40 bg-gray-900/40 backdrop-blur-[1px] lg:hidden"
+        />
+      )}
+
+      <Sidebar
+        role={user.role}
+        email={user.email}
+        collapsed={desktopCollapsed}
+        mobileOpen={mobileOpen}
+        onCloseMobile={() => setMobileOpen(false)}
+        onLogout={logout}
+      />
+
+      <div className="min-w-0 flex-1">
+        <header className="sticky top-0 z-30 flex h-14 items-center border-b border-gray-200 bg-white/95 px-4 backdrop-blur sm:px-6 lg:px-10">
+          <div className="lg:hidden">
+            <SidebarToggle expanded={mobileOpen} onToggle={() => setMobileOpen(true)} mode="mobile" />
+          </div>
+          <div className="hidden lg:block">
+            <SidebarToggle expanded={!desktopCollapsed} onToggle={toggleDesktop} mode="desktop" />
+          </div>
+        </header>
+        <main className="w-full px-4 py-6 sm:px-6 lg:px-10 lg:py-8">{children}</main>
+      </div>
     </div>
   );
 }
diff --git a/work/artifacts/F-159/architect.md b/work/artifacts/F-159/architect.md
new file mode 100644
index 0000000..c56a5e8
--- /dev/null
+++ b/work/artifacts/F-159/architect.md
@@ -0,0 +1,24 @@
+# F-159 — Diseño
+
+## Arquitectura
+El estado vive en `DashboardShell`, única composición del layout autenticado:
+
+- `desktopCollapsed`: preferencia persistida en `localStorage` bajo `mdv.admin.sidebar.collapsed`.
+- `mobileOpen`: estado efímero del drawer.
+
+`Sidebar` y `NavItemRow` siguen consumiendo la misma lista `visibleNavItems(role)`. No se crean menús alternativos.
+
+## Responsive
+- Sidebar base: drawer `fixed`, 240px y desplazado fuera de viewport cuando está cerrado.
+- `lg+`: pasa a `sticky`, siempre visible, ancho 240px/80px según preferencia.
+- Etiquetas usan `lg:hidden` solo durante collapse, por lo que el drawer móvil siempre conserva texto.
+- Backdrop solo se renderiza con drawer abierto.
+
+## Accesibilidad
+- Toggle es `<button>` nativo con `aria-expanded`, `aria-controls` y etiqueta dinámica.
+- Escape cierra drawer.
+- Drawer móvil cerrado usa `invisible` para excluir enlaces del foco.
+- Enlaces tienen `aria-label`; modo icon-only añade `title`.
+
+## Transiciones
+`transition-[width,transform] duration-300 ease-in-out`, respetando las utilidades existentes de Tailwind.
diff --git a/work/artifacts/F-159/documenter.md b/work/artifacts/F-159/documenter.md
new file mode 100644
index 0000000..9dc0eeb
--- /dev/null
+++ b/work/artifacts/F-159/documenter.md
@@ -0,0 +1,5 @@
+# F-159 — Uso
+
+- En desktop, el botón del header colapsa/expande el sidebar. La preferencia se conserva al recargar.
+- Colapsado muestra iconos; cada icono mantiene tooltip y nombre accesible.
+- En mobile/tablet, el botón abre un drawer. Se cierra al navegar, pulsar el fondo, el botón de cierre o Escape.
diff --git a/work/artifacts/F-159/implementer.md b/work/artifacts/F-159/implementer.md
new file mode 100644
index 0000000..1c19b74
--- /dev/null
+++ b/work/artifacts/F-159/implementer.md
@@ -0,0 +1,20 @@
+# F-159 — Implementer
+
+## Implementación
+- `SidebarToggle` reutilizable para desktop y mobile.
+- Estado desktop `expanded/collapsed` persistido en `localStorage` (`mdv.admin.sidebar.collapsed`).
+- Desktop colapsado reduce 240px→80px y oculta etiquetas solo en breakpoint `lg`.
+- Mobile/tablet usa el mismo sidebar como drawer con backdrop y cierre por navegación, botón o Escape.
+- Drawer cerrado queda `invisible`, evitando foco en enlaces fuera de pantalla.
+- Transiciones suaves de ancho, transformación e icono.
+- Accesibilidad: botones nativos, `aria-label`, `aria-expanded`, `aria-controls`, `aria-current`, focus rings y tooltips.
+- Restaurado acceso visible a cerrar sesión dentro del sidebar.
+
+## Evidencia
+- `cd project/apps/admin && npm run build`: PASS (29 rutas).
+- `cd project && node_modules/.bin/tsc --noEmit`: PASS.
+- `git diff --check`: PASS.
+- `./scripts/verify.sh`: PASS.
+
+## Archivo
+- `project/apps/admin/src/app/(dashboard)/layout.tsx`
diff --git a/work/artifacts/F-159/leader-close.json b/work/artifacts/F-159/leader-close.json
new file mode 100644
index 0000000..3235822
--- /dev/null
+++ b/work/artifacts/F-159/leader-close.json
@@ -0,0 +1,14 @@
+{
+  "feature_id":"F-159",
+  "agent":"leader",
+  "stage":"close",
+  "verdict":"APPROVED",
+  "summary":"SidebarToggle responsive, persistente y accesible completado.",
+  "checks":[
+    {"item":"reviewer","ok":true},
+    {"item":"security","ok":true},
+    {"item":"qa","ok":true},
+    {"item":"build and verify","ok":true}
+  ],
+  "issues":[]
+}
diff --git a/work/artifacts/F-159/qa.json b/work/artifacts/F-159/qa.json
new file mode 100644
index 0000000..747bc0f
--- /dev/null
+++ b/work/artifacts/F-159/qa.json
@@ -0,0 +1,15 @@
+{
+  "feature_id": "F-159",
+  "agent": "qa",
+  "stage": "qa_gate",
+  "verdict": "APPROVED",
+  "summary": "Cumple persistencia, icon-only desktop, drawer mobile, transición y accesibilidad.",
+  "checks": [
+    {"item":"Desktop collapse","ok":true,"evidence":"lg width 60→20 and lg-only label hiding"},
+    {"item":"Mobile/tablet drawer","ok":true,"evidence":"fixed transform drawer plus backdrop"},
+    {"item":"Keyboard","ok":true,"evidence":"Native buttons, focus rings and Escape handler"},
+    {"item":"Persistence","ok":true,"evidence":"Stable localStorage key"},
+    {"item":"Regression","ok":true,"evidence":"Admin build, tsc and verify passed"}
+  ],
+  "issues": []
+}
diff --git a/work/artifacts/F-159/reviewer.json b/work/artifacts/F-159/reviewer.json
new file mode 100644
index 0000000..ab07c15
--- /dev/null
+++ b/work/artifacts/F-159/reviewer.json
@@ -0,0 +1,14 @@
+{
+  "feature_id": "F-159",
+  "agent": "reviewer",
+  "stage": "review_gate",
+  "verdict": "APPROVED",
+  "summary": "Una única jerarquía de navegación cubre collapse desktop y drawer mobile sin duplicación.",
+  "checks": [
+    {"item":"Single navigation source","ok":true,"evidence":"Sidebar maps visibleNavItems once"},
+    {"item":"Persisted desktop state","ok":true,"evidence":"localStorage key read on mount and written on toggle"},
+    {"item":"Mobile drawer","ok":true,"evidence":"fixed drawer, backdrop, route close and Escape close"},
+    {"item":"Admin build","ok":true,"evidence":"Next.js production build passed"}
+  ],
+  "issues": []
+}
diff --git a/work/artifacts/F-159/security.json b/work/artifacts/F-159/security.json
new file mode 100644
index 0000000..0a24cd8
--- /dev/null
+++ b/work/artifacts/F-159/security.json
@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-159",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "summary": "Solo se persiste una preferencia booleana no sensible; no cambian auth, permisos ni destinos de navegación.",
+  "checks": [
+    {"item":"No sensitive storage","ok":true,"evidence":"localStorage contains only collapsed boolean"},
+    {"item":"RBAC preserved","ok":true,"evidence":"Navigation remains filtered by visibleNavItems(role)"},
+    {"item":"No dependency change","ok":true,"evidence":"Uses React and existing Tailwind only"}
+  ],
+  "issues": []
+}
diff --git a/work/current.md b/work/current.md
index fdfe754..e8412b4 100644
--- a/work/current.md
+++ b/work/current.md
@@ -1,17 +1,23 @@
-# Feature activa: F-158 — POS use same-origin API proxy on LAN
+# Feature activa: F-159 — Admin responsive collapsible sidebar
 
-## Problema
-El TPV abierto en `http://192.168.18.93:3006` ejecuta peticiones del navegador contra `http://localhost:3000`. En un cliente LAN, `localhost` apunta al propio cliente y produce `ERR_CONNECTION_REFUSED`.
+## Objetivo
+Añadir un único `SidebarToggle` reutilizando el layout y `NAV_ITEMS` existentes.
 
-## Alcance
-- El cliente POS usa rutas same-origin `/api/...`.
-- El route handler de Next.js reenvía las peticiones al backend privado (`127.0.0.1:3000`).
-- El proxy conserva cookies de sesión y `x-terminal-id`.
-- El login propaga `Set-Cookie` al navegador.
-- Next dev permite el origen LAN `192.168.18.93`.
+## Comportamiento
+- Desktop (`lg+`): expandido a 240px o colapsado a 80px mostrando solo iconos; preferencia guardada en `localStorage`.
+- Mobile/tablet: sidebar como drawer superpuesto con backdrop; siempre muestra iconos y etiquetas.
+- El estado del drawer no duplica ni sustituye el estado persistido de desktop.
+- Transición suave de ancho y desplazamiento.
+
+## Accesibilidad
+- Botones con `aria-label`, `aria-expanded` y `aria-controls`.
+- Drawer cerrado no es visible ni alcanzable por teclado.
+- Escape cierra el drawer.
+- Los enlaces conservan etiquetas accesibles y tooltips al colapsar.
 
 ## Aceptación
-1. El navegador no solicita directamente `localhost:3000`.
-2. `GET /api/pos/config` llega al backend mediante el proxy.
-3. Login conserva la cookie de sesión.
-4. POS build, TypeScript y `verify.sh` pasan.
+1. Toggle visible y operable por teclado.
+2. Preferencia desktop persiste tras recarga.
+3. Sidebar desktop colapsado muestra solo iconos.
+4. Mobile/tablet usa drawer con backdrop y cierre por Escape.
+5. Una sola fuente de navegación y build responsive sin regresiones.
diff --git a/work/runtime-status.json b/work/runtime-status.json
index eebb5b0..26e6b81 100644
--- a/work/runtime-status.json
+++ b/work/runtime-status.json
@@ -1,11 +1,68 @@
 {
-  "feature_id": null,
-  "stage": "idle",
+  "feature_id": "F-159",
+  "stage": "close",
   "agent": "leader",
-  "action": "Sin ejecución activa",
-  "state": "waiting",
+  "action": "Close SidebarToggle feature",
+  "state": "running",
   "next_agent": "leader",
   "waiting_for": "Seleccionar una feature pending y actualizar este estado",
-  "updated_at": "2026-08-22T15:51:06Z",
-  "timeline": []
+  "updated_at": "2026-08-22T16:01:58Z",
+  "timeline": [
+    {
+      "ts": "2026-08-22T15:58:39Z",
+      "agent": "leader",
+      "stage": "intake",
+      "state": "running",
+      "message": "Define responsive persisted SidebarToggle"
+    },
+    {
+      "ts": "2026-08-22T15:59:15Z",
+      "agent": "architect",
+      "stage": "design",
+      "state": "running",
+      "message": "Design shared desktop collapse and mobile drawer state"
+    },
+    {
+      "ts": "2026-08-22T15:59:47Z",
+      "agent": "implementer",
+      "stage": "build",
+      "state": "running",
+      "message": "Implement accessible persisted SidebarToggle"
+    },
+    {
+      "ts": "2026-08-22T16:01:08Z",
+      "agent": "reviewer",
+      "stage": "review_gate",
+      "state": "running",
+      "message": "Review shared responsive sidebar implementation"
+    },
+    {
+      "ts": "2026-08-22T16:01:19Z",
+      "agent": "security",
+      "stage": "security_gate",
+      "state": "running",
+      "message": "Audit localStorage and navigation accessibility"
+    },
+    {
+      "ts": "2026-08-22T16:01:30Z",
+      "agent": "qa",
+      "stage": "qa_gate",
+      "state": "running",
+      "message": "Validate desktop/mobile/accessibility acceptance"
+    },
+    {
+      "ts": "2026-08-22T16:01:48Z",
+      "agent": "documenter",
+      "stage": "document",
+      "state": "running",
+      "message": "Document sidebar responsive behavior"
+    },
+    {
+      "ts": "2026-08-22T16:01:58Z",
+      "agent": "leader",
+      "stage": "close",
+      "state": "running",
+      "message": "Close SidebarToggle feature"
+    }
+  ]
 }