fix(cluster): use native sqlite3 .restore API to eliminate WAL/SHM desynchronization and corruption during live sync

scripts/cluster/notify_backup.sh

@@ -14,6 +14,8 @@ echo "[$TIMESTAMP] [CLUSTER] <<< Transition vers l'état BACKUP / STANDBY (En ve
 DB_PATH="/var/www/nexus-pbx/storage/database.sqlite"
 if [ -f "$DB_PATH" ]; then
     sqlite3 "$DB_PATH" "UPDATE cluster_settings SET last_sync_status='standby_idle', updated_at=CURRENT_TIMESTAMP WHERE id=1;" 2>/dev/null || true
+    chown www-data:asterisk "$DB_PATH" "${DB_PATH}-wal" "${DB_PATH}-shm" 2>/dev/null || true
+    chmod 660 "$DB_PATH" "${DB_PATH}-wal" "${DB_PATH}-shm" 2>/dev/null || true
 fi
 
 # 2. Désenregistrement des Trunks PJSIP pour éviter les conflits d'appels entrants avec le Master

scripts/cluster/notify_master.sh

@@ -16,6 +16,8 @@ ASTDB_PATH="/var/lib/asterisk/astdb.sqlite3"
 
 if [ -f "$DB_PATH" ]; then
     sqlite3 "$DB_PATH" "UPDATE cluster_settings SET last_sync_status='master_active', updated_at=CURRENT_TIMESTAMP WHERE id=1;" 2>/dev/null || true
+    chown www-data:asterisk "$DB_PATH" "${DB_PATH}-wal" "${DB_PATH}-shm" 2>/dev/null || true
+    chmod 660 "$DB_PATH" "${DB_PATH}-wal" "${DB_PATH}-shm" 2>/dev/null || true
 fi
 
 # 2. Vérification et réparation d'intégrité de la base SQLite AstDB (contacts téléphones)