diff --git a/next.config.ts b/next.config.ts
index 7d3b4f2..889e105 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -3,6 +3,25 @@ import type { NextConfig } from "next";
 const nextConfig: NextConfig = {
   output: "standalone",
   async headers() {
+    // CSP de endurecimiento compatible con páginas estáticas.
+    // Sin nonces a propósito: los nonces exigen render dinámico en
+    // todas las páginas (rompería el caché del índice) y style-src
+    // estricto bloquearía los `style` inline de la UI. `connect-src`,
+    // `form-action` e `img-src` acotan el impacto de un XSS
+    // (sin exfiltración a orígenes externos).
+    const csp = [
+      "default-src 'self'",
+      "script-src 'self' 'unsafe-inline'",
+      "style-src 'self' 'unsafe-inline'",
+      "img-src 'self' data: blob:",
+      "font-src 'self' data:",
+      "connect-src 'self'",
+      "object-src 'none'",
+      "base-uri 'self'",
+      "form-action 'self'",
+      "frame-ancestors 'none'",
+      "upgrade-insecure-requests",
+    ].join("; ");
     return [
       {
         source: "/:path*",
@@ -10,6 +29,7 @@ const nextConfig: NextConfig = {
           { key: "X-Content-Type-Options", value: "nosniff" },
           { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
           { key: "X-Frame-Options", value: "DENY" },
+          { key: "Content-Security-Policy", value: csp },
         ],
       },
     ];
diff --git a/src/app/actualizar/page.tsx b/src/app/actualizar/page.tsx
index 58cce48..5c906e4 100644
--- a/src/app/actualizar/page.tsx
+++ b/src/app/actualizar/page.tsx
@@ -38,7 +38,8 @@ export default function Actualizar() {
     }
   };
 
-  const call = async (name: string, action: "deploy" | "webhook") => {    setBusy(`${action}:${name}`);
+  const call = async (name: string, action: "deploy" | "webhook") => {
+    setBusy(`${action}:${name}`);
     setMsg(null);
     try {
       const res = await fetch(
diff --git a/src/app/tablero/page.tsx b/src/app/tablero/page.tsx
index d63aed0..e5b85cb 100644
--- a/src/app/tablero/page.tsx
+++ b/src/app/tablero/page.tsx
@@ -1,28 +1,34 @@
-"use client";
-
+import { cookies } from "next/headers";
 import SamShell from "@/components/SamShell";
 import TableroView from "@/components/TableroView";
-import { useModules, useMe } from "@/lib/store"
+import { COOKIE, readSession } from "@/lib/auth";
+import { getPublicModules } from "@/lib/modules-server";
+import { getContainerStats } from "@/lib/stats-server";
 import { itMenu } from "@/lib/sam";
 
 // App IT: sidebar con todas sus opciones (resumen, aplicaciones,
 // tableros por módulo, agregar, actualizar, eliminar).
 // Se sirve en /tablero y en it.sam.devops.norteamericano.cl
-export default function Tablero() {
-  const { data } = useModules();
-  const me = useMe();
+// Server Component: módulos y stats con caché (15s/30s); la página
+// revalida y el cliente refresca la vista sin polling directo.
+export default async function Tablero() {
+  const sess = await readSession((await cookies()).get(COOKIE)?.value);
+  const [{ modules }, stats] = await Promise.all([
+    getPublicModules(),
+    getContainerStats(),
+  ]);
 
   return (
     <SamShell
       brand="IT"
       subtitle="Gestión de aplicaciones"
-      menu={itMenu(data?.modules ?? [])}
+      menu={itMenu(modules)}
       activeHref="/tablero"
-      topUser={me?.email || "SAM"}
+      topUser={sess?.email || "SAM"}
       allowLogout
       backHref="/"
     >
-      <TableroView />
+      <TableroView modules={modules} stats={stats} />
     </SamShell>
   );
 }
diff --git a/src/components/SamShell.tsx b/src/components/SamShell.tsx
index 20f16b5..93d4a21 100644
--- a/src/components/SamShell.tsx
+++ b/src/components/SamShell.tsx
@@ -5,6 +5,7 @@ import Link from "next/link";
 import { useRouter } from "next/navigation";
 import { useState } from "react";
 import type { MenuItem } from "@/lib/sam";
+import { clearMe } from "@/lib/store";
 
 interface SamShellProps {
   brand: string;
@@ -39,6 +40,7 @@ export default function SamShell({
     try {
       await fetch("/api/auth", { method: "DELETE" });
     } finally {
+      clearMe();
       router.push("/login");
     }
   };
diff --git a/src/components/TableroView.tsx b/src/components/TableroView.tsx
index deecf89..9ec4ea4 100644
--- a/src/components/TableroView.tsx
+++ b/src/components/TableroView.tsx
@@ -1,9 +1,9 @@
 "use client";
 
 import Link from "next/link";
-import { useEffect, useMemo, useState, type CSSProperties } from "react";
+import { useEffect, useState, type CSSProperties } from "react";
 import { Bar } from "@/components/ProgressBar";
-import { useModules, useStats } from "@/lib/store";
+import { IndexRefresh } from "@/components/IndexRefresh";
 import {
   assignColorsForModules,
   displayName,
@@ -13,8 +13,8 @@ import {
   moduleUrl,
   sectionOf,
   SECTIONS,
-  visibleModules,
 } from "@/lib/sam";
+import type { ModuleState } from "@/lib/sam";
 import {
   healthOf,
   memUsed,
@@ -24,7 +24,6 @@ import {
   statForModule,
   type ContainerStat,
 } from "@/lib/stats";
-import type { ModuleState } from "@/lib/sam";
 import type { ApiControllerInfo } from "@/lib/api-inventory";
 
 function Donut({ ok, starting, down }: { ok: number; starting: number; down: number }) {
@@ -299,18 +298,18 @@ function ApiUsage() {
 // Vista del tablero (contenido): tarjeta grande de estado global +
 // estado y carga por aplicación + uso real de la API.
 // Se usa en /tablero y como landing de it.sam.devops.norteamericano.cl
-export default function TableroView() {
-  const { data } = useModules();
-  const stats = useStats();
-  const loading = data === null;
-
-  const modules = useMemo(
-    () => visibleModules(data?.modules ?? []),
-    [data]
-  );
+// Recibe datos del Server Component (sin polling en el cliente;
+// la página revalida cada 30s e <IndexRefresh /> refresca la vista).
+export default function TableroView({
+  modules,
+  stats,
+}: {
+  modules: ModuleState[];
+  stats: ContainerStat[];
+}) {
   // Mismo color que en el índice: guardado manda, al resto se le genera
   // uno sin repetir para lo ya importado.
-  const colorMap = useMemo(() => assignColorsForModules(modules), [modules]);
+  const colorMap = assignColorsForModules(modules);
   const ok = modules.filter((m) => healthOf(m) === "ok").length;
   const starting = modules.filter((m) => healthOf(m) === "starting").length;
   const down = modules.length - ok - starting;
@@ -322,10 +321,10 @@ export default function TableroView() {
     .map((n) => statFor(stats, n))
     .filter((s): s is ContainerStat => Boolean(s));
 
-  if (loading) {
+  if (modules.length === 0) {
     return (
       <div className="text-center py-5">
-        <div className="spinner-border text-primary" role="status" />
+        <p className="text-muted mb-0">Sin módulos integrados.</p>
       </div>
     );
   }
@@ -411,7 +410,8 @@ export default function TableroView() {
       <ApiUsage />
 
       <p className="text-muted small mt-4 mb-4 text-center">
-        Auto-actualizado cada 30s · Carga de trabajo en tiempo real (docker stats)
+        <IndexRefresh intervalMs={30000} /> · Carga de trabajo en tiempo real
+        (docker stats)
       </p>
     </>
   );
diff --git a/src/lib/stats-server.ts b/src/lib/stats-server.ts
new file mode 100644
index 0000000..07152d5
--- /dev/null
+++ b/src/lib/stats-server.ts
@@ -0,0 +1,25 @@
+// Acceso server-side a docker stats del deployer para Server Components.
+// Solo importa este módulo desde componentes de servidor o route handlers:
+// contiene el token del deployer (nunca sale al navegador).
+import type { ContainerStat } from "./stats";
+
+const DEPLOYER_URL = process.env.DEPLOYER_URL || "http://127.0.0.1:3010";
+const DEPLOYER_TOKEN = process.env.DEPLOYER_TOKEN || "";
+
+export const STATS_REVALIDATE_S = 30;
+
+export async function getContainerStats(): Promise<ContainerStat[]> {
+  try {
+    const headers: Record<string, string> = { "Content-Type": "application/json" };
+    if (DEPLOYER_TOKEN) headers["X-API-Token"] = DEPLOYER_TOKEN;
+    const res = await fetch(`${DEPLOYER_URL}/api/stats`, {
+      headers,
+      next: { revalidate: STATS_REVALIDATE_S },
+    });
+    if (!res.ok) return [];
+    const j = await res.json().catch(() => ({}));
+    return Array.isArray(j.stats) ? j.stats : [];
+  } catch {
+    return [];
+  }
+}
diff --git a/src/lib/store.ts b/src/lib/store.ts
index 65f7d44..9afbf6c 100644
--- a/src/lib/store.ts
+++ b/src/lib/store.ts
@@ -16,15 +16,18 @@ export interface ExternalStore<T> {
   subscribe: (cb: () => void) => () => void;
   snapshot: () => T;
   load: () => void;
+  reset: (value: T) => void;
 }
 
 // Store externo genérico (useSyncExternalStore): primera carga +
 // auto-refresh opcional con `ms`. Sin `ms` solo carga manual vía load().
+// `equal` evita notificar (y re-renderizar) cuando el contenido no cambió.
 // Sin setState en efectos (regla react-hooks).
 export function createStore<T>(
   fetcher: () => Promise<T>,
   initial: T,
-  ms?: number
+  ms?: number,
+  equal: (a: T, b: T) => boolean = (a, b) => a === b
 ): ExternalStore<T> {
   let snap = initial;
   let started = false;
@@ -38,9 +41,11 @@ export function createStore<T>(
   const load = async () => {
     try {
       const next = await fetcher();
-      if (next !== snap) snap = next;
+      if (equal(next, snap)) return;
+      snap = next;
     } catch {
       // el error lo modela cada fetcher dentro de su snapshot
+      return;
     }
     notify();
   };
@@ -96,7 +101,12 @@ export function createStore<T>(
     };
   };
 
-  return { subscribe, snapshot: () => snap, load };
+  const reset = (value: T) => {
+    snap = value;
+    notify();
+  };
+
+  return { subscribe, snapshot: () => snap, load, reset };
 }
 
 async function fetchModules(): Promise<ModulesSnap> {
@@ -123,8 +133,17 @@ async function fetchStats(): Promise<ContainerStat[]> {
   }
 }
 
-const modulesStore = createStore(fetchModules, { data: null, error: null }, 15000);
-const statsStore = createStore(fetchStats, [] as ContainerStat[], 30000);
+function stableEqual<T>(a: T, b: T): boolean {
+  if (a === b) return true;
+  try {
+    return JSON.stringify(a) === JSON.stringify(b);
+  } catch {
+    return false;
+  }
+}
+
+const modulesStore = createStore(fetchModules, { data: null, error: null }, 15000, stableEqual);
+const statsStore = createStore(fetchStats, [] as ContainerStat[], 30000, stableEqual);
 
 export function useModules() {
   return useSyncExternalStore(
@@ -166,3 +185,9 @@ const meStore = createStore(fetchMe, null as { email: string } | null, 60000);
 export function useMe() {
   return useSyncExternalStore(meStore.subscribe, meStore.snapshot, () => null);
 }
+
+// Limpia la sesión cacheada al cerrar sesión (si no, el topbar
+// conserva el usuario hasta el próximo poll de 60s).
+export function clearMe() {
+  meStore.reset(null);
+}