Add RRSS auto-generation via the Ads Claude/Freepik/Canva pipeline.
Pipeline pieces can be created manually or enqueued with channel=rrss, using brandbook, calendar copy and RRSS history; n8n writes results back to creative_pipeline. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
4Ventures
240
src/app/api/integrations/creative-pipeline/route.ts
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240
src/app/api/integrations/creative-pipeline/route.ts
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import { NextRequest, NextResponse } from 'next/server';
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import { authenticateIntegrationRequest } from '@/lib/integrations-auth';
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import { createClient } from '@supabase/supabase-js';
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import { ASSETS_BUCKET, serviceSupabase } from '@/lib/assets';
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import {
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parseGenerationRequestIdFromNotes,
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stripGenerationRequestMarker,
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} from '@/lib/rrss-generation';
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export const dynamic = 'force-dynamic';
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function admin() {
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return createClient(
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process.env.NEXT_PUBLIC_SUPABASE_URL!,
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process.env.SUPABASE_SERVICE_ROLE_KEY!
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);
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}
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async function downloadToStorage(opts: {
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tenantId: string;
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pipelineId: string;
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url: string;
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filename: string;
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}): Promise<string | null> {
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const svc = serviceSupabase();
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if (!svc) return null;
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try {
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const r = await fetch(opts.url, { cache: 'no-store' });
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if (!r.ok) return null;
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const buf = Buffer.from(await r.arrayBuffer());
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const contentType = r.headers.get('content-type') || 'image/jpeg';
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const ext = contentType.includes('png')
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? 'png'
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: contentType.includes('webp')
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? 'webp'
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: 'jpg';
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const path = `${opts.tenantId}/pipeline/${opts.pipelineId}/${opts.filename}.${ext}`;
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const up = await svc.storage.from(ASSETS_BUCKET).upload(path, buf, {
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contentType,
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upsert: true,
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});
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if (up.error) return null;
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return path;
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} catch {
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return null;
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}
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}
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/**
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* POST — n8n write-back for RRSS auto-generation.
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* Body: {
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* generation_request_id?,
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* pipeline_id?,
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* asset_url?, // final or Freepik raw
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* stories_asset_url?,
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* caption?,
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* hook?, support?,
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* slide_urls?: string[],
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* status?: 'borrador'|'revision_agencia',
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* mark_request?: 'completada'|'fallida',
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* error?: string
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* }
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*/
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export async function POST(req: NextRequest) {
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let body: Record<string, unknown>;
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try {
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body = await req.json();
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} catch {
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return NextResponse.json({ error: 'Invalid JSON' }, { status: 400 });
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}
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const auth = await authenticateIntegrationRequest(req, {
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requireTenant: true,
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parsedBody: body,
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});
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if (!auth.ok) return auth.errorResponse!;
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const tenantId = auth.tenantId!;
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const db = admin();
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const grId =
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typeof body.generation_request_id === 'string'
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? body.generation_request_id
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: null;
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let pipelineId =
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typeof body.pipeline_id === 'string' ? body.pipeline_id : null;
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if (!pipelineId && grId) {
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const { data: gr } = await db
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.from('generation_requests')
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.select('brief')
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.eq('id', grId)
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.eq('tenant_id', tenantId)
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.maybeSingle();
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const brief = (gr?.brief || {}) as {
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source_pipeline_id?: string;
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write_back?: { pipeline_id?: string };
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};
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pipelineId =
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brief.source_pipeline_id || brief.write_back?.pipeline_id || null;
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}
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if (!pipelineId) {
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return NextResponse.json(
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{ error: 'pipeline_id or generation_request_id with source_pipeline_id required' },
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{ status: 400 }
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);
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}
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const { data: item } = await db
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.from('creative_pipeline')
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.select('id, notes, caption, format')
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.eq('id', pipelineId)
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.eq('tenant_id', tenantId)
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.maybeSingle();
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if (!item) {
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return NextResponse.json({ error: 'Pipeline piece not found' }, { status: 404 });
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}
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const assetUrl =
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typeof body.asset_url === 'string'
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? body.asset_url
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: typeof body.stories_asset_url === 'string'
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? body.stories_asset_url
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: null;
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let coverPath: string | null = null;
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if (assetUrl) {
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if (assetUrl.startsWith('http')) {
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coverPath = await downloadToStorage({
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tenantId,
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pipelineId,
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url: assetUrl,
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filename: 'cover-ai',
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});
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// Fallback: store URL so UI can still show something via <img src>
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if (!coverPath) coverPath = assetUrl;
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} else {
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coverPath = assetUrl;
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}
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}
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const slideUrls = Array.isArray(body.slide_urls)
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? body.slide_urls.filter((u): u is string => typeof u === 'string')
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: [];
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const slidePaths: string[] = [];
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for (let i = 0; i < slideUrls.length; i++) {
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const u = slideUrls[i];
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if (u.startsWith('http')) {
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const p = await downloadToStorage({
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tenantId,
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pipelineId,
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url: u,
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filename: `slide-${i + 1}-ai`,
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});
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slidePaths.push(p || u);
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} else {
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slidePaths.push(u);
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}
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}
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const caption =
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typeof body.caption === 'string'
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? body.caption
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: [body.hook, body.support, body.primary_text]
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.filter((x) => typeof x === 'string' && x.trim())
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.join('\n\n') || item.caption;
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const status =
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body.status === 'revision_agencia' || body.status === 'borrador'
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? body.status
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: coverPath
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? 'revision_agencia'
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: 'borrador';
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const cleanNotes = stripGenerationRequestMarker(item.notes);
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const grMarker = grId || parseGenerationRequestIdFromNotes(item.notes);
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const notes = [
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cleanNotes,
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grMarker ? `[[generation_request:${grMarker}]]` : null,
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coverPath ? 'Generado: Claude + Freepik + Canva' : null,
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]
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.filter(Boolean)
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.join('\n');
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const patch: Record<string, unknown> = {
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notes,
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updated_at: new Date().toISOString(),
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status,
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};
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if (coverPath) {
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patch.cover_path = coverPath;
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patch.cover_mime = coverPath.includes('.png')
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? 'image/png'
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: coverPath.includes('.webp')
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? 'image/webp'
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: 'image/jpeg';
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}
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if (caption) patch.caption = caption;
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if (slidePaths.length) patch.slide_paths = slidePaths;
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const { data: updated, error } = await db
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.from('creative_pipeline')
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.update(patch)
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.eq('id', pipelineId)
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.eq('tenant_id', tenantId)
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.select('*')
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.single();
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if (error) {
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return NextResponse.json({ error: error.message }, { status: 500 });
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}
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if (grId) {
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const mark =
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body.mark_request === 'fallida'
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? 'fallida'
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: body.error
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? 'fallida'
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: 'completada';
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await db
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.from('generation_requests')
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.update({
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status: mark,
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completed_at: new Date().toISOString(),
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error: typeof body.error === 'string' ? body.error : null,
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result: {
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pipeline_id: pipelineId,
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cover_path: coverPath,
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notes: 'rrss write-back',
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},
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})
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.eq('id', grId)
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.eq('tenant_id', tenantId);
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}
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return NextResponse.json({ ok: true, item: updated });
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}
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