diff --git a/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.js b/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.js
index 355ffe6..cffde35 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.js
+++ b/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.js
@@ -56,9 +56,26 @@ async function runMigrations(db) {
             t.uuid('conversation_id').notNullable().references('id').inTable('sec_conversations').onDelete('CASCADE');
             t.string('role', 20).notNullable(); // user | assistant | system
             t.text('content').notNullable();
+            t.text('usage_tokens').nullable(); // telemetria de tokens (JSON)
+            t.string('provider_used', 40).nullable(); // provedor LLM usado na resposta
+            t.string('model_used', 80).nullable(); // modelo LLM usado na resposta
             t.timestamps(true, true);
         });
     }
+    // ── sec_messages — telemetria: garante colunas em tabelas pré-existentes ────
+    // (o insert em brain.ts grava usage_tokens/provider_used/model_used; sem este
+    //  bloco, bancos criados antes dessas colunas quebram com 42703.)
+    if (await db.schema.hasTable('sec_messages')) {
+        if (!(await db.schema.hasColumn('sec_messages', 'usage_tokens'))) {
+            await db.schema.alterTable('sec_messages', (t) => { t.text('usage_tokens').nullable(); });
+        }
+        if (!(await db.schema.hasColumn('sec_messages', 'provider_used'))) {
+            await db.schema.alterTable('sec_messages', (t) => { t.string('provider_used', 40).nullable(); });
+        }
+        if (!(await db.schema.hasColumn('sec_messages', 'model_used'))) {
+            await db.schema.alterTable('sec_messages', (t) => { t.string('model_used', 80).nullable(); });
+        }
+    }
     // ── sec_brain_nodes — adiciona node_model se ainda não existe ────────────
     if (await db.schema.hasTable('sec_brain_nodes')) {
         if (!(await db.schema.hasColumn('sec_brain_nodes', 'node_model'))) {
diff --git a/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.ts b/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.ts
index ee11bb3..6347307 100644
--- a/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.ts
+++ b/newwhats.clube67.com/newwhats.local/plugins/secretaria/migrate.ts
@@ -59,10 +59,28 @@ export async function runMigrations(db: Knex): Promise<void> {
       t.uuid('conversation_id').notNullable().references('id').inTable('sec_conversations').onDelete('CASCADE')
       t.string('role', 20).notNullable()   // user | assistant | system
       t.text('content').notNullable()
+      t.text('usage_tokens').nullable()        // telemetria de tokens (JSON)
+      t.string('provider_used', 40).nullable() // provedor LLM usado na resposta
+      t.string('model_used', 80).nullable()    // modelo LLM usado na resposta
       t.timestamps(true, true)
     })
   }
 
+  // ── sec_messages — telemetria: garante colunas em tabelas pré-existentes ────
+  // (o insert em brain.ts grava usage_tokens/provider_used/model_used; sem este
+  //  bloco, bancos criados antes dessas colunas quebram com 42703.)
+  if (await db.schema.hasTable('sec_messages')) {
+    if (!(await db.schema.hasColumn('sec_messages', 'usage_tokens'))) {
+      await db.schema.alterTable('sec_messages', (t) => { t.text('usage_tokens').nullable() })
+    }
+    if (!(await db.schema.hasColumn('sec_messages', 'provider_used'))) {
+      await db.schema.alterTable('sec_messages', (t) => { t.string('provider_used', 40).nullable() })
+    }
+    if (!(await db.schema.hasColumn('sec_messages', 'model_used'))) {
+      await db.schema.alterTable('sec_messages', (t) => { t.string('model_used', 80).nullable() })
+    }
+  }
+
   // ── sec_brain_nodes — adiciona node_model se ainda não existe ────────────
   if (await db.schema.hasTable('sec_brain_nodes')) {
     if (!(await db.schema.hasColumn('sec_brain_nodes', 'node_model'))) {