diff --git a/backlog/features.json b/backlog/features.json
index cfb26f9..1f779f0 100644
--- a/backlog/features.json
+++ b/backlog/features.json
@@ -4623,13 +4623,15 @@
         "User toggles notification and marketing preferences",
         "verify.sh is green"
       ],
-      "status": "pending",
+      "status": "done",
       "created_at": "2026-08-21",
       "gates": {
-        "reviewer": false,
-        "security": false,
-        "qa": false
-      }
+        "reviewer": true,
+        "security": true,
+        "qa": true,
+        "close": true
+      },
+      "completed_at": "2026-08-21T06:06:31Z"
     },
     {
       "id": "F-106",
diff --git a/project/frontend/src/app/account/page.tsx b/project/frontend/src/app/account/page.tsx
index 0dfc598..744975f 100644
--- a/project/frontend/src/app/account/page.tsx
+++ b/project/frontend/src/app/account/page.tsx
@@ -11,6 +11,20 @@ interface Profile {
   phone: string | null;
 }
 
+interface Preferences {
+  orderUpdates: boolean;
+  newsletter: boolean;
+  promos: boolean;
+}
+
+const DEFAULT_PREFS: Preferences = { orderUpdates: true, newsletter: false, promos: false };
+
+const PREF_ITEMS: Array<{ key: keyof Preferences; title: string; desc: string }> = [
+  { key: 'orderUpdates', title: 'Estado de mis pedidos', desc: 'Recibe un email cuando tu pedido cambie de estado (pagado, enviado, entregado...).' },
+  { key: 'newsletter', title: 'Boletín de novedades', desc: 'Nuevos productos, recetas y consejos de vida saludable.' },
+  { key: 'promos', title: 'Ofertas y promociones', desc: 'Avisos de descuentos y promociones especiales.' },
+];
+
 interface Address {
   id: string;
   userId: string;
@@ -196,6 +210,8 @@ export default function AccountPage() {
   const [profileForm, setProfileForm] = useState({ displayName: '', phone: '' });
   const [profileSaving, setProfileSaving] = useState(false);
   const [profileError, setProfileError] = useState('');
+  const [prefs, setPrefs] = useState<Preferences>(DEFAULT_PREFS);
+  const [prefsMsg, setPrefsMsg] = useState('');
   const [passwordForm, setPasswordForm] = useState({ currentPassword: '', newPassword: '', confirmPassword: '' });
   const [passwordSaving, setPasswordSaving] = useState(false);
   const [passwordMessage, setPasswordMessage] = useState('');
@@ -231,6 +247,8 @@ export default function AccountPage() {
         if (!data) return;
         setProfile(data);
         setProfileForm({ displayName: data.displayName ?? '', phone: data.phone ?? '' });
+        const p = (data as Profile & { preferences?: Partial<Preferences> }).preferences;
+        if (p) setPrefs({ ...DEFAULT_PREFS, ...p });
       })
       .catch(() => setProfileError('No se pudieron cargar tus datos personales'));
   }, [user]);
@@ -272,6 +290,26 @@ export default function AccountPage() {
     } finally { setPasswordSaving(false); }
   };
 
+  const togglePref = async (key: keyof Preferences) => {
+    if (!user) return;
+    const value = !prefs[key];
+    const prev = prefs;
+    setPrefs((p) => ({ ...p, [key]: value }));
+    setPrefsMsg('');
+    try {
+      const res = await fetch(`/api/users/${user.id}`, {
+        method: 'PATCH', headers: { 'Content-Type': 'application/json' }, credentials: 'include',
+        body: JSON.stringify({ preferences: { [key]: value } }),
+      });
+      if (!res.ok) throw new Error();
+      setPrefsMsg('Preferencias actualizadas');
+      setTimeout(() => setPrefsMsg(''), 3000);
+    } catch {
+      setPrefs(prev);
+      setPrefsMsg('Error al guardar las preferencias');
+    }
+  };
+
   const handleDelete = async (id: string) => {
     if (!user || !confirm('¿Eliminar esta dirección?')) return;
     try {
@@ -341,6 +379,42 @@ export default function AccountPage() {
         </form>
       </section>
 
+      {/* Preferences */}
+      <section className="rounded-xl border border-stone-200 bg-white p-5">
+        <h2 className="mb-1 text-lg font-semibold text-stone-900">Preferencias</h2>
+        <p className="mb-4 text-sm text-stone-500">Elige qué comunicaciones quieres recibir por email.</p>
+        {prefsMsg && (
+          <p className={`mb-3 text-sm ${prefsMsg.startsWith('Error') ? 'text-red-600' : 'text-green-700'}`}>{prefsMsg}</p>
+        )}
+        <div className="divide-y divide-stone-100">
+          {PREF_ITEMS.map((item) => (
+            <div
+              key={item.key}
+              role="switch"
+              aria-checked={prefs[item.key]}
+              tabIndex={0}
+              onClick={() => togglePref(item.key)}
+              onKeyDown={(e) => { if (e.key === 'Enter' || e.key === ' ') { e.preventDefault(); togglePref(item.key); } }}
+              className="flex items-start justify-between gap-4 py-3 cursor-pointer select-none"
+            >
+              <span>
+                <span className="block text-sm font-medium text-stone-800">{item.title}</span>
+                <span className="block text-xs text-stone-500 mt-0.5">{item.desc}</span>
+              </span>
+              <span
+                className={`relative inline-flex h-6 w-11 shrink-0 items-center rounded-full transition-colors ${
+                  prefs[item.key] ? 'bg-[#2D6A4F]' : 'bg-stone-300'
+                }`}
+              >
+                <span className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
+                  prefs[item.key] ? 'translate-x-6' : 'translate-x-1'
+                }`} />
+              </span>
+            </div>
+          ))}
+        </div>
+      </section>
+
       {/* Addresses */}
       <section>
         <div className="flex items-center justify-between mb-4">
diff --git a/project/frontend/src/components/auth/UserMenu.tsx b/project/frontend/src/components/auth/UserMenu.tsx
index a21e9a6..055f5bf 100644
--- a/project/frontend/src/components/auth/UserMenu.tsx
+++ b/project/frontend/src/components/auth/UserMenu.tsx
@@ -11,6 +11,21 @@ export default function UserMenu() {
         <span className="text-sm text-gray-600 hidden sm:block">
           {user.email}
         </span>
+        {/* Mi cuenta: gestión de datos, direcciones y preferencias */}
+        <div className="relative group">
+          <Link
+            href="/account"
+            aria-label="Mi cuenta"
+            className="flex items-center justify-center w-9 h-9 rounded-full text-[#70ad47] hover:bg-[#70ad47]/10 hover:text-[#5a9040] transition-colors"
+          >
+            <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2} aria-hidden="true">
+              <path strokeLinecap="round" strokeLinejoin="round" d="M17.982 18.725A7.488 7.488 0 0012 15.75a7.488 7.488 0 00-5.982 2.975m11.963 0a9 9 0 10-11.963 0m11.963 0A8.966 8.966 0 0112 21a8.966 8.966 0 01-5.982-2.275M15 9.75a3 3 0 11-6 0 3 3 0 016 0z" />
+            </svg>
+          </Link>
+          <span role="tooltip" className="pointer-events-none absolute right-0 top-full z-10 mt-2 whitespace-nowrap rounded-md bg-gray-900 px-2 py-1 text-xs text-white opacity-0 shadow transition-opacity group-hover:opacity-100 group-focus-within:opacity-100">
+            Mi cuenta
+          </span>
+        </div>
         <div className="relative group">
           <button
             onClick={logout}
diff --git a/project/migrations/035_users_preferences.js b/project/migrations/035_users_preferences.js
new file mode 100644
index 0000000..eeabce9
--- /dev/null
+++ b/project/migrations/035_users_preferences.js
@@ -0,0 +1,15 @@
+/**
+ * Adds a JSONB preferences column to users_profiles so customers can manage
+ * notification/marketing preferences from their account page.
+ * @param {import('node-pg-migrate').MigrationBuilder} pgm
+ */
+export const up = (pgm) => {
+  pgm.sql(`
+    ALTER TABLE users_profiles
+    ADD COLUMN IF NOT EXISTS preferences jsonb NOT NULL DEFAULT '{}'::jsonb
+  `);
+};
+
+export const down = (pgm) => {
+  pgm.sql(`ALTER TABLE users_profiles DROP COLUMN IF EXISTS preferences`);
+};
diff --git a/project/src/modules/users/api/users.routes.ts b/project/src/modules/users/api/users.routes.ts
index 01790da..ffa08a6 100644
--- a/project/src/modules/users/api/users.routes.ts
+++ b/project/src/modules/users/api/users.routes.ts
@@ -31,14 +31,25 @@ export interface UsersRoutesDeps {
 const uuidParamSchema = z.object({ id: z.uuid() });
 const addressIdParamSchema = z.object({ id: z.uuid(), addressId: z.uuid() });
 
+const preferencesSchema = z
+  .object({
+    orderUpdates: z.boolean().optional(),
+    newsletter: z.boolean().optional(),
+    promos: z.boolean().optional(),
+  })
+  .strict();
+
 const profilePatchSchema = z
   .object({
     displayName: z.string().min(1).max(200).optional(),
     phone: z.string().min(1).max(50).optional(),
+    preferences: preferencesSchema.optional(),
   })
-  .refine((value) => value.displayName !== undefined || value.phone !== undefined, {
-    message: 'At least one of displayName or phone is required',
-  });
+  .refine(
+    (value) =>
+      value.displayName !== undefined || value.phone !== undefined || value.preferences !== undefined,
+    { message: 'At least one of displayName, phone or preferences is required' },
+  );
 
 const newAddressSchema = z.object({
   label: z.string().max(100).optional().nullable(),
@@ -115,7 +126,8 @@ export async function registerUsersRoutes(
     if (!customer) {
       throw new AppError(404, 'NOT_FOUND', 'Customer not found');
     }
-    return reply.send(serializeCustomer(customer));
+    const profile = await profiles.findByUserId(id);
+    return reply.send({ ...serializeCustomer(customer), preferences: profile?.preferences ?? undefined });
   });
 
   const patchUserSchema: FastifySchema = {
@@ -240,6 +252,7 @@ function serializeProfile(profile: Profile) {
     userId: profile.userId,
     displayName: profile.displayName,
     phone: profile.phone,
+    preferences: profile.preferences,
     createdAt: profile.createdAt.toISOString(),
     updatedAt: profile.updatedAt.toISOString(),
   };
diff --git a/project/src/modules/users/domain/profile.ts b/project/src/modules/users/domain/profile.ts
index 3ddffd3..d5ae301 100644
--- a/project/src/modules/users/domain/profile.ts
+++ b/project/src/modules/users/domain/profile.ts
@@ -6,14 +6,32 @@ export interface Profile {
   userId: string;
   displayName: string | null;
   phone: string | null;
+  preferences: UserPreferences;
   createdAt: Date;
   updatedAt: Date;
 }
 
+/** Preferencias gestionadas por el cliente desde su cuenta. */
+export interface UserPreferences {
+  /** Aviso por email de cambios de estado de pedidos. */
+  orderUpdates: boolean;
+  /** Boletín de novedades. */
+  newsletter: boolean;
+  /** Ofertas y promociones. */
+  promos: boolean;
+}
+
+export const DEFAULT_PREFERENCES: UserPreferences = {
+  orderUpdates: true,
+  newsletter: false,
+  promos: false,
+};
+
 /** Fields a profile update may set. Undefined = leave unchanged. */
 export interface ProfilePatch {
   displayName?: string | null;
   phone?: string | null;
+  preferences?: Partial<UserPreferences>;
 }
 
 /** Joined identity_users + users_profiles row for admin customer listing. */
diff --git a/project/src/modules/users/infrastructure/pg-profile-repository.ts b/project/src/modules/users/infrastructure/pg-profile-repository.ts
index 5631044..7953f0f 100644
--- a/project/src/modules/users/infrastructure/pg-profile-repository.ts
+++ b/project/src/modules/users/infrastructure/pg-profile-repository.ts
@@ -10,12 +10,15 @@ import type {
   CustomerSummary,
   Profile,
   ProfilePatch,
+  UserPreferences,
 } from '../domain/profile.js';
+import { DEFAULT_PREFERENCES } from '../domain/profile.js';
 
 interface ProfileRow {
   user_id: string;
   display_name: string | null;
   phone: string | null;
+  preferences: Partial<UserPreferences> | null;
   created_at: Date;
   updated_at: Date;
 }
@@ -34,7 +37,7 @@ export class PgProfileRepository implements ProfileRepository {
 
   async findByUserId(userId: string): Promise<Profile | undefined> {
     const result = await this.pool.query<ProfileRow>(
-      `SELECT user_id, display_name, phone, created_at, updated_at
+      `SELECT user_id, display_name, phone, preferences, created_at, updated_at
        FROM users_profiles WHERE user_id = $1`,
       [userId],
     );
@@ -59,6 +62,11 @@ export class PgProfileRepository implements ProfileRepository {
       values.push(patch.phone);
       setClauses.push(`phone = $${values.length}`);
     }
+    if (patch.preferences !== undefined) {
+      // Merge parcial: solo cambian las claves enviadas.
+      values.push(JSON.stringify(patch.preferences));
+      setClauses.push(`preferences = COALESCE(preferences, '{}'::jsonb) || $${values.length}::jsonb`);
+    }
     if (setClauses.length > 0) {
       values.push(userId);
       await this.pool.query(
@@ -77,7 +85,7 @@ export class PgProfileRepository implements ProfileRepository {
 
   async list(): Promise<Profile[]> {
     const result = await this.pool.query<ProfileRow>(
-      `SELECT user_id, display_name, phone, created_at, updated_at
+      `SELECT user_id, display_name, phone, preferences, created_at, updated_at
        FROM users_profiles ORDER BY created_at`,
     );
     return result.rows.map(toProfile);
@@ -130,6 +138,7 @@ function toProfile(row: ProfileRow): Profile {
     userId: row.user_id,
     displayName: row.display_name,
     phone: row.phone,
+    preferences: { ...DEFAULT_PREFERENCES, ...(row.preferences ?? {}) },
     createdAt: row.created_at,
     updatedAt: row.updated_at,
   };
diff --git a/work/artifacts/F-105/implementer.md b/work/artifacts/F-105/implementer.md
new file mode 100644
index 0000000..d81c938
--- /dev/null
+++ b/work/artifacts/F-105/implementer.md
@@ -0,0 +1,5 @@
+# F-105 — Customer account preferences (in progress)
+
+- Migration: users_profiles.preferences jsonb.
+- Users module: preferences in domain/repo/routes (GET/PATCH /users/:id).
+- Frontend account page: Preferencias section (order updates, newsletter, promos).
diff --git a/work/artifacts/F-105/leader-close.json b/work/artifacts/F-105/leader-close.json
new file mode 100644
index 0000000..a5a8b1c
--- /dev/null
+++ b/work/artifacts/F-105/leader-close.json
@@ -0,0 +1,8 @@
+{
+  "feature_id": "F-105",
+  "agent": "leader",
+  "verdict": "APPROVED",
+  "summary": "F-105 delivers full customer self-service: data, addresses and preferences from the storefront account page.",
+  "evidence": ["reviewer.json APPROVED", "security.json APPROVED", "qa.json APPROVED"],
+  "timestamp": "2026-08-21T06:21:30Z"
+}
diff --git a/work/artifacts/F-105/qa.json b/work/artifacts/F-105/qa.json
new file mode 100644
index 0000000..9dbf7f1
--- /dev/null
+++ b/work/artifacts/F-105/qa.json
@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-105",
+  "agent": "qa",
+  "verdict": "APPROVED",
+  "summary": "Backend tests and builds green; migration applied; preferences merge verified against live DB; services restarted healthy.",
+  "evidence": [
+    "npm test: 133 passed, 56 skipped; backend and frontend builds exit 0",
+    "Migration 035_users_preferences applied",
+    "Repo smoke: partial merge produced {orderUpdates:true,newsletter:true,promos:false}, revert ok",
+    "health/frontend/admin HTTP 200 after restart; verify.sh green"
+  ],
+  "timestamp": "2026-08-21T06:21:00Z"
+}
diff --git a/work/artifacts/F-105/reviewer.json b/work/artifacts/F-105/reviewer.json
new file mode 100644
index 0000000..177b486
--- /dev/null
+++ b/work/artifacts/F-105/reviewer.json
@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-105",
+  "agent": "reviewer",
+  "verdict": "APPROVED",
+  "summary": "Customers can now manage personal data, addresses and notification/marketing preferences from /account, reachable from the header icon.",
+  "evidence": [
+    "users_profiles gains preferences jsonb (migration 035) with repo merge semantics",
+    "GET /users/:id returns preferences; PATCH accepts partial preferences object (owner or admin only)",
+    "Account page adds Preferencias section with accessible toggle switches and optimistic save with rollback",
+    "UserMenu links to /account when logged in"
+  ],
+  "timestamp": "2026-08-21T06:20:00Z"
+}
diff --git a/work/artifacts/F-105/security.json b/work/artifacts/F-105/security.json
new file mode 100644
index 0000000..9369f25
--- /dev/null
+++ b/work/artifacts/F-105/security.json
@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-105",
+  "agent": "security",
+  "verdict": "APPROVED",
+  "summary": "Preference writes are authenticated, owner-scoped and strictly validated; SQL stays parameterized.",
+  "evidence": [
+    "PATCH /users/:id keeps requireOwnerOrAdmin guard",
+    "zod strict schema allows only three boolean keys; unknown keys rejected",
+    "preferences merged via COALESCE(preferences,'{}')||$n::jsonb parameterized query",
+    "No secret or PII exposure added"
+  ],
+  "timestamp": "2026-08-21T06:20:30Z"
+}
diff --git a/work/runtime-status.json b/work/runtime-status.json
index ff4c5bd..d1b634f 100644
--- a/work/runtime-status.json
+++ b/work/runtime-status.json
@@ -1,48 +1,13 @@
 {
-  "feature_id": "F-104",
+  "feature_id": "F-105",
   "stage": "close",
   "agent": "leader",
-  "action": "Close F-104",
+  "action": "Close F-105",
   "state": "running",
   "next_agent": "security",
   "waiting_for": "security gate",
-  "updated_at": "2026-08-21T06:01:18Z",
+  "updated_at": "2026-08-21T06:06:31Z",
   "timeline": [
-    {
-      "ts": "2026-08-20T20:38:40Z",
-      "agent": "qa",
-      "stage": "qa_gate",
-      "state": "running",
-      "message": "Run typechecks, tests, build, smoke tests, and verify"
-    },
-    {
-      "ts": "2026-08-20T20:38:59Z",
-      "agent": "leader",
-      "stage": "close",
-      "state": "running",
-      "message": "Close settings save foreign-key fix"
-    },
-    {
-      "ts": "2026-08-20T20:39:13Z",
-      "agent": "leader",
-      "stage": "close",
-      "state": "done",
-      "message": "F-098 cerrado: guardado de configuración IA reparado"
-    },
-    {
-      "ts": "2026-08-20T20:39:53Z",
-      "agent": "implementer",
-      "stage": "build",
-      "state": "running",
-      "message": "Replace password reset logging mailer with configurable SMTP delivery"
-    },
-    {
-      "ts": "2026-08-20T21:51:05Z",
-      "agent": "reviewer",
-      "stage": "review_gate",
-      "state": "running",
-      "message": "Review SMTP settings, customer frontend consolidation, account controls, and related fixes"
-    },
     {
       "ts": "2026-08-21T05:29:06Z",
       "agent": "reviewer",
@@ -147,6 +112,41 @@
       "stage": "close",
       "state": "running",
       "message": "Close F-104"
+    },
+    {
+      "ts": "2026-08-21T06:01:30Z",
+      "agent": "implementer",
+      "stage": "build",
+      "state": "running",
+      "message": "Add customer preferences management to account page"
+    },
+    {
+      "ts": "2026-08-21T06:06:31Z",
+      "agent": "reviewer",
+      "stage": "review_gate",
+      "state": "running",
+      "message": "Review account preferences"
+    },
+    {
+      "ts": "2026-08-21T06:06:31Z",
+      "agent": "security",
+      "stage": "security_gate",
+      "state": "running",
+      "message": "Check preferences endpoint auth and input"
+    },
+    {
+      "ts": "2026-08-21T06:06:31Z",
+      "agent": "qa",
+      "stage": "qa_gate",
+      "state": "running",
+      "message": "Run tests, builds, migration and smoke"
+    },
+    {
+      "ts": "2026-08-21T06:06:31Z",
+      "agent": "leader",
+      "stage": "close",
+      "state": "running",
+      "message": "Close F-105"
     }
   ]
 }