diff --git a/docs/LOG.md b/docs/LOG.md
index 0a277ae..ab5ea41 100644
--- a/docs/LOG.md
+++ b/docs/LOG.md
@@ -12,9 +12,7 @@ Registra todos los mensajes entre usuarios y agentes IA.
 | hash | CHAR(64) | SHA256 único del mensaje |
 | session_hash | CHAR(64) | SHA256 de la sesión |
 | thread_hash | CHAR(64) | SHA256 del hilo (nullable) |
-| sender_type | ENUM | user, agent, orchestrator, system, tool |
 | sender_id | CHAR(64) | Hash del emisor (ref players) |
-| receiver_type | ENUM | user, agent, orchestrator, system, tool |
 | receiver_id | CHAR(64) | Hash del receptor (ref players) |
 | leader_id | CHAR(64) | Coordinador multiagente (nullable) |
 | role | TEXT | Rol del emisor |
diff --git a/schemas/04_log.sql b/schemas/04_log.sql
index 5939fb6..c39ea92 100644
--- a/schemas/04_log.sql
+++ b/schemas/04_log.sql
@@ -10,7 +10,6 @@ CREATE SCHEMA log;
 CREATE EXTENSION IF NOT EXISTS pgcrypto;
 
 -- Tipos
-CREATE TYPE log.actor_type AS ENUM ('user', 'agent', 'orchestrator', 'system', 'tool');
 CREATE TYPE log.ref_type AS ENUM ('context', 'accountant', 'secretary');
 
 -- ============================================
@@ -21,9 +20,7 @@ CREATE TABLE log.messages (
     hash            CHAR(64) UNIQUE NOT NULL,
     session_hash    CHAR(64) NOT NULL,
     thread_hash     CHAR(64),
-    sender_type     log.actor_type NOT NULL,
     sender_id       CHAR(64) NOT NULL,
-    receiver_type   log.actor_type NOT NULL,
     receiver_id     CHAR(64) NOT NULL,
     leader_id       CHAR(64),
     role            TEXT,