diff --git a/server/db/db.go b/server/db/db.go
index 1c1a813..226dcba 100644
--- a/server/db/db.go
+++ b/server/db/db.go
@@ -60,8 +60,13 @@ func (d *DB) migrate() error {
 	if _, err := d.conn.Exec(schema); err != nil {
 		return err
 	}
-	// Migrations additives pour les colonnes ajoutées après la création initiale
+	// Migrations additives — ignorées si la colonne existe déjà
 	_, _ = d.conn.Exec(`ALTER TABLE agents ADD COLUMN version TEXT NOT NULL DEFAULT ''`)
+	_, _ = d.conn.Exec(`ALTER TABLE metrics ADD COLUMN smart_passed  INTEGER`)
+	_, _ = d.conn.Exec(`ALTER TABLE metrics ADD COLUMN smart_temp    INTEGER`)
+	_, _ = d.conn.Exec(`ALTER TABLE metrics ADD COLUMN smart_realloc INTEGER`)
+	_, _ = d.conn.Exec(`ALTER TABLE metrics ADD COLUMN smart_hours   INTEGER`)
+	_, _ = d.conn.Exec(`ALTER TABLE metrics ADD COLUMN smart_wear    INTEGER`)
 	return nil
 }