Add Zona de marca brandbooks and strategist calendar generation.

Per-tenant brandbooks power ads, RRSS calendars, LinkedIn B2B and blog; Nov calendars now create from trends + client DNA instead of copying history.

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

src/app/api/calendar/preview/route.ts

@@ -8,6 +8,10 @@ import { isAgencyRole, userRole } from '@/lib/agency';
 import { asPlanObject } from '@/lib/calendar-documents';
 import { generateMonthPreview } from '@/lib/calendar-generate';
 import type { RrssMonthPlan } from '@/components/RrssMonthView';
+import {
+  BRANDBOOK_DOC_TYPE,
+  parseBrandbook,
+} from '@/lib/brandbook';
 
 export const dynamic = 'force-dynamic';
 export const maxDuration = 60;
@@ -64,11 +68,19 @@ export async function POST(req: NextRequest) {
     return String(b.month).localeCompare(String(a.month));
   });
 
+  const bb = await restGet<{ content?: unknown }[]>(
+    `/rest/v1/documents?tenant_id=eq.${encodeURIComponent(
+      ctx.tenantId
+    )}&type=eq.${BRANDBOOK_DOC_TYPE}&select=content&order=updated_at.desc&limit=1`
+  );
+  const brandbook = parseBrandbook(bb.data?.[0]?.content);
+
   const result = await generateMonthPreview({
     ym: month,
     slug,
     label: ctx.label,
     history,
+    brandbook,
   });
 
   return NextResponse.json({
@@ -77,5 +89,6 @@ export async function POST(req: NextRequest) {
     rationale: result.rationale,
     source: result.source,
     brand: slug,
+    brandbook: !!brandbook,
   });
 }