Robustness: Add fallback path handling in disaster-recovery.sh for NAS offline cases

scripts/disaster-recovery.sh

@@ -37,6 +37,17 @@ fi
 
 # Configuration defaults
 NAS_BACKUP_DIR="${NAS_BACKUP_DIR:-/mnt/nas-backups/wordly}"
+
+# Fallback to local backups folder if NAS directory is not writable
+if [ ! -d "${NAS_BACKUP_DIR}" ]; then
+    mkdir -p "${NAS_BACKUP_DIR}" 2>/dev/null || true
+fi
+
+if [ ! -w "${NAS_BACKUP_DIR}" ]; then
+    log_warning "NAS backup directory '${NAS_BACKUP_DIR}' is not writable or mounted. Falling back to local backups folder."
+    NAS_BACKUP_DIR="${PROJECT_ROOT}/backups"
+fi
+
 DR_BACKUP_DIR="${NAS_BACKUP_DIR}/dr"
 DR_RETENTION_DAYS=14