diff --git a/sim/cluster0/cluster.env b/sim/cluster0/cluster.env
index cad6f13..6c6d973 100644
--- a/sim/cluster0/cluster.env
+++ b/sim/cluster0/cluster.env
@@ -33,7 +33,7 @@ AC_WORKSPACE_ORIGIN=git://f0xx.org/ac/ac-workspace
 AC_WORKSPACE_ROOT=/var/www/ac/workspace
 AC_GIT_BRANCH=next
 # Minimal submodules for first workspace init (fast path)
-AC_SUBMODULES_CORE="ac-platform-db ac-platform-php ac-platform-web ac-platform-edge ac-deploy ac-docs ac-scripts ac-ms-url-shortener ac-be-hub ac-ms-identity"
+AC_SUBMODULES_CORE="ac-platform-db ac-platform-php ac-platform-web ac-platform-edge ac-deploy ac-docs ac-scripts ac-ms-url-shortener ac-be-hub ac-ms-identity ac-ms-broadcast ac-ms-sfu-signaling"
 # Full set required by compose-lab-backend.sh (init after workspace clone)
 AC_SUBMODULES_COMPOSE="ac-platform-php ac-platform-web ac-ms-identity ac-ms-rbac ac-ms-devices ac-ms-issues ac-ms-tickets ac-ms-graphs ac-ms-remote-access ac-be-auth ac-be-issues ac-be-tickets ac-be-graphs ac-be-remote-access ac-be-access ac-be-builder ac-ms-build"
 URL_SHORTENER_ORIGIN=git://f0xx.org/ac/ac-ms-url-shortener
diff --git a/sim/cluster0/scripts/deploy-ac-broadcast.sh b/sim/cluster0/scripts/deploy-ac-broadcast.sh
index 87028b7..3658b16 100755
--- a/sim/cluster0/scripts/deploy-ac-broadcast.sh
+++ b/sim/cluster0/scripts/deploy-ac-broadcast.sh
@@ -18,7 +18,8 @@ mkdir -p "$BROADCAST_DEST"
 rsync -a --delete \
   --exclude='.git' \
   --exclude='config/config.php' \
-  "${BROADCAST_SRC}/" "${BROADCAST_DEST}/"
+  "${BROADCAST_SRC}/" "${BROADCAST_DEST}/" 2>/dev/null || \
+  { mkdir -p "$BROADCAST_DEST"; cp -r "${BROADCAST_SRC}/." "${BROADCAST_DEST}/"; }
 
 # Config from cluster env / secrets
 DB_PASS="$(read_cred mariadb_app password 2>/dev/null || echo 'CHANGE_ME')"
@@ -64,10 +65,12 @@ if is_primary_node; then
     log "broadcast: create DB + user on primary"
     DB_SCHEMA="${BROADCAST_SRC}/sql/schema.mariadb.sql"
     if [ -f "$DB_SCHEMA" ]; then
-        sudo -u mysql mariadb --socket=/run/mysqld/mysqld.sock < "$DB_SCHEMA" || true
-        sudo -u mysql mariadb --socket=/run/mysqld/mysqld.sock <<SQLEOF
+        mariadb -u root < "$DB_SCHEMA" || true
+        mariadb -u root <<SQLEOF
 CREATE USER IF NOT EXISTS 'broadcast_svc'@'%' IDENTIFIED BY '${DB_PASS}';
+CREATE USER IF NOT EXISTS 'broadcast_svc'@'localhost' IDENTIFIED BY '${DB_PASS}';
 GRANT ALL PRIVILEGES ON broadcast.* TO 'broadcast_svc'@'%';
+GRANT ALL PRIVILEGES ON broadcast.* TO 'broadcast_svc'@'localhost';
 FLUSH PRIVILEGES;
 SQLEOF
         log "broadcast: DB schema applied"