feat: add Instagram, Facebook, TikTok and LinkedIn slots

Organic social channels per client in the agency hub, separate from
paid Meta Ads.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/components/ClientIntegrationsPanel.tsx

@@ -31,6 +31,10 @@ const PLACEHOLDERS: Record<string, string> = {
   wordpress: 'https://sitio.com + Application Password',
   prestashop: 'https://tienda.com + API key',
   shopify: 'mitienda.myshopify.com + Admin API token',
+  instagram: '@handle o Instagram Business Account ID',
+  facebook: 'Page ID / facebook.com/…',
+  tiktok: '@handle o Advertiser / Business ID',
+  linkedin: 'Company Page ID / linkedin.com/company/…',
 };
 
 export default function ClientIntegrationsPanel({
@@ -106,6 +110,7 @@ export default function ClientIntegrationsPanel({
 
   const groups = [
     { id: 'paid', title: 'Paid media' },
+    { id: 'social', title: 'Redes sociales (orgánico)' },
     { id: 'analytics', title: 'Analítica y medición' },
     { id: 'crm', title: 'CRM' },
     { id: 'email', title: 'Email / lifecycle' },
@@ -291,6 +296,15 @@ export default function ClientIntegrationsPanel({
                         fase.
                       </p>
                     )}
+                    {(p.id === 'instagram' ||
+                      p.id === 'facebook' ||
+                      p.id === 'tiktok' ||
+                      p.id === 'linkedin') && (
+                      <p className="text-[10px] text-gray-500">
+                        Orgánico (páginas/perfiles). Distinto de Meta Ads /
+                        TikTok Ads. OAuth live y publicación: siguiente fase.
+                      </p>
+                    )}
                   </li>
                 );
               })}