From ac04972100c8f36a25c100a18378f6c9bad9c5e1 Mon Sep 17 00:00:00 2001
From: Carlos Narro <carlos@relabtive.com>
Date: Sun, 7 Jun 2026 18:56:16 +0200
Subject: [PATCH] =?UTF-8?q?Webhook=20Retell:=20fallback=20por=20tel=C3=A9f?=
 =?UTF-8?q?ono=20cuando=20la=20llamada=20no=20trae=20lead=5Fid?=
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Si la llamada no lleva metadata.lead_id (llamadas manuales/antiguas), el webhook
busca el lead más reciente con ese teléfono (últimos 9 dígitos) y le asocia la
transcripción + grabación. Responde JSON informativo (matched/leadId) para poder
re-procesar llamadas a mano.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 mvp/b2c/src/app/api/retell/webhook/route.ts | 45 ++++++++++++++-------
 mvp/b2c/src/lib/voice/retell.ts             |  2 +
 2 files changed, 33 insertions(+), 14 deletions(-)

diff --git a/mvp/b2c/src/app/api/retell/webhook/route.ts b/mvp/b2c/src/app/api/retell/webhook/route.ts
index 98839be..1f3acaf 100644
--- a/mvp/b2c/src/app/api/retell/webhook/route.ts
+++ b/mvp/b2c/src/app/api/retell/webhook/route.ts
@@ -1,4 +1,4 @@
-import { eq } from 'drizzle-orm';
+import { desc, eq, like } from 'drizzle-orm';
 import { db } from '@/db';
 import { leads, leadPipelineEventos } from '@/db/schema';
 import { obtenerLlamada, descargarGrabacion } from '@/lib/voice/retell';
@@ -6,6 +6,12 @@ import { obtenerLlamada, descargarGrabacion } from '@/lib/voice/retell';
 export const runtime = 'nodejs';
 export const dynamic = 'force-dynamic';
 
+const ok = (extra: Record<string, unknown> = {}) =>
+  new Response(JSON.stringify({ ok: true, ...extra }), {
+    status: 200,
+    headers: { 'Content-Type': 'application/json' },
+  });
+
 // Webhook de Retell (eventos de llamada). Al terminar la llamada (call_analyzed / call_ended)
 // releemos la llamada por su call_id desde la API de Retell (dato autoritativo y autenticado con
 // nuestra API key, así un webhook falso no puede inyectar datos), guardamos la transcripción real,
@@ -21,19 +27,30 @@ export async function POST(req: Request): Promise<Response> {
   const event = body.event;
   const callId = body.call?.call_id;
   // Solo nos interesa el final de la llamada; respondemos 200 a todo para que Retell no reintente.
-  if (!callId || (event !== 'call_analyzed' && event !== 'call_ended')) {
-    return new Response('ok', { status: 200 });
-  }
+  if (!callId || (event !== 'call_analyzed' && event !== 'call_ended')) return ok({ skipped: true });
 
   const detalle = await obtenerLlamada(callId);
-  if (!detalle?.leadId) return new Response('ok', { status: 200 });
+  if (!detalle) return ok({ matched: false, motivo: 'call no encontrada' });
 
-  const [lead] = await db
-    .select({ id: leads.id })
-    .from(leads)
-    .where(eq(leads.id, detalle.leadId))
-    .limit(1);
-  if (!lead) return new Response('ok', { status: 200 });
+  // Mapeo al lead: por metadata.lead_id; si falta (llamadas sin metadata), fallback al lead más
+  // reciente con ese teléfono (últimos 9 dígitos, tolerante a +34/espacios).
+  let leadId = detalle.leadId;
+  if (!leadId && detalle.toNumber) {
+    const dig = detalle.toNumber.replace(/\D/g, '').slice(-9);
+    if (dig.length === 9) {
+      const [m] = await db
+        .select({ id: leads.id })
+        .from(leads)
+        .where(like(leads.telefono, `%${dig}%`))
+        .orderBy(desc(leads.createdAt))
+        .limit(1);
+      leadId = m?.id ?? null;
+    }
+  }
+  if (!leadId) return ok({ matched: false, motivo: 'sin lead' });
+
+  const [lead] = await db.select({ id: leads.id }).from(leads).where(eq(leads.id, leadId)).limit(1);
+  if (!lead) return ok({ matched: false, motivo: 'lead no existe' });
 
   const audioUrl = detalle.recordingUrl ? await descargarGrabacion(detalle.recordingUrl) : null;
 
@@ -44,10 +61,10 @@ export async function POST(req: Request): Promise<Response> {
       audioUrl: audioUrl ?? undefined,
       updatedAt: new Date(),
     })
-    .where(eq(leads.id, detalle.leadId));
+    .where(eq(leads.id, leadId));
 
   await db.insert(leadPipelineEventos).values({
-    leadId: detalle.leadId,
+    leadId,
     stage: 'llamada_completada',
     metadata: {
       via: 'webhook',
@@ -60,5 +77,5 @@ export async function POST(req: Request): Promise<Response> {
     },
   });
 
-  return new Response('ok', { status: 200 });
+  return ok({ matched: true, leadId, transcript: Boolean(detalle.transcript), grabacion: Boolean(audioUrl) });
 }
diff --git a/mvp/b2c/src/lib/voice/retell.ts b/mvp/b2c/src/lib/voice/retell.ts
index 51fe555..b622e5c 100644
--- a/mvp/b2c/src/lib/voice/retell.ts
+++ b/mvp/b2c/src/lib/voice/retell.ts
@@ -83,6 +83,7 @@ export async function iniciarLlamadaSaliente(opts: {
 export type DetalleLlamada = {
   callId: string;
   leadId: string | null;
+  toNumber: string | null;
   transcript: string | null;
   recordingUrl: string | null;
   callStatus: string | null;
@@ -109,6 +110,7 @@ export async function obtenerLlamada(callId: string): Promise<DetalleLlamada | n
     return {
       callId: String(c.call_id ?? callId),
       leadId: typeof meta.lead_id === 'string' ? meta.lead_id : null,
+      toNumber: typeof c.to_number === 'string' ? c.to_number : null,
       transcript: typeof c.transcript === 'string' ? c.transcript : null,
       recordingUrl: typeof c.recording_url === 'string' ? c.recording_url : null,
       callStatus: typeof c.call_status === 'string' ? c.call_status : null,