diff --git a/supabase/functions/ai-generate-plan/index.ts b/supabase/functions/ai-generate-plan/index.ts
index f370b75..f98a22e 100644
--- a/supabase/functions/ai-generate-plan/index.ts
+++ b/supabase/functions/ai-generate-plan/index.ts
@@ -19,6 +19,13 @@ type NivelType =
 type TipoCicloType =
   Database["public"]["Tables"]["planes_estudio"]["Insert"]["tipo_ciclo"];
 
+addEventListener("beforeunload", (ev: any) => {
+  // ev.detail.reason te dirá si es "timeout", "memory_limit" o "idle"
+  console.error("ALERTA: La función se va a apagar. Razón:", ev.detail?.reason);
+
+  // Aquí puedes intentar un último log antes de que todo muera
+});
+
 Deno.serve(async (req: Request): Promise<Response> => {
   const url = new URL(req.url);
   const functionName = url.pathname.split("/").pop();
diff --git a/supabase/functions/ai-generate-subject/index.ts b/supabase/functions/ai-generate-subject/index.ts
index a2f5818..175cb58 100644
--- a/supabase/functions/ai-generate-subject/index.ts
+++ b/supabase/functions/ai-generate-subject/index.ts
@@ -9,6 +9,13 @@ import {
   type StructuredResponseOptions,
 } from "../_shared/openai-service.ts";
 
+addEventListener("beforeunload", (ev: any) => {
+  console.error(
+    "ALERTA: La función se va a apagar. Razón:",
+    ev?.detail?.reason,
+  );
+});
+
 /**
  * JSON input signature (when `Content-Type: application/json`)
  *
diff --git a/supabase/functions/create-chat-conversation/index.ts b/supabase/functions/create-chat-conversation/index.ts
index f06bc58..6057960 100644
--- a/supabase/functions/create-chat-conversation/index.ts
+++ b/supabase/functions/create-chat-conversation/index.ts
@@ -22,6 +22,13 @@ type AddMessageBody = {
 
 const app = new Hono();
 
+addEventListener("beforeunload", (ev: any) => {
+  console.error(
+    "ALERTA: La función se va a apagar. Razón:",
+    ev?.detail?.reason,
+  );
+});
+
 // Preflight CORS
 app.options(
   "*",
diff --git a/supabase/functions/generate-subject-suggestions/index.ts b/supabase/functions/generate-subject-suggestions/index.ts
index a6f1eb5..bb17975 100644
--- a/supabase/functions/generate-subject-suggestions/index.ts
+++ b/supabase/functions/generate-subject-suggestions/index.ts
@@ -10,6 +10,13 @@ import {
   type StructuredResponseOptions,
 } from "../_shared/openai-service.ts";
 
+addEventListener("beforeunload", (ev: any) => {
+  console.error(
+    "ALERTA: La función se va a apagar. Razón:",
+    ev?.detail?.reason,
+  );
+});
+
 export type DataAsignaturaSugerida = {
   nombre: Tables<"asignaturas">["nombre"];
   codigo?: Tables<"asignaturas">["codigo"];