feat: add OpenAI embeddings functionality and update Supabase migration

supabase/migrations/20260212162718_crear_tablas_de_conversaciones.sql

@@ -1,7 +1,5 @@
 create type "public"."estado_conversacion" as enum ('ACTIVA', 'ARCHIVANDO', 'ARCHIVADA', 'ERROR');
 
-alter table "public"."planes_estudio" drop constraint "planes_estudio_conversation_id_key";
-
 drop view if exists "public"."plantilla_plan";
 
 drop index if exists "public"."planes_estudio_conversation_id_key";

supabase/snippets/Untitled query 470.sql

@@ -1 +0,0 @@
-alter publication supabase_realtime drop table asignaturas;