chore(workspace): add hardened startup/security workflows and skill suite

skills/openclaw-backup/scripts/backup.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# OpenClaw Backup Script
+# Usage: ./backup.sh [backup_dir]
+
+BACKUP_DIR="${1:-$HOME/openclaw-backups}"
+DATE=$(date +%Y-%m-%d_%H%M)
+BACKUP_FILE="$BACKUP_DIR/openclaw-$DATE.tar.gz"
+
+mkdir -p "$BACKUP_DIR"
+
+# Create backup (exclude completions cache and logs)
+tar -czf "$BACKUP_FILE" \
+    --exclude='completions' \
+    --exclude='*.log' \
+    -C "$HOME" .openclaw/ 2>/dev/null
+
+if [ $? -eq 0 ]; then
+    SIZE=$(du -h "$BACKUP_FILE" | cut -f1)
+    
+    # Rotate: keep only last 7 backups
+    ls -t "$BACKUP_DIR"/openclaw-*.tar.gz 2>/dev/null | tail -n +8 | xargs -r rm
+    
+    COUNT=$(ls "$BACKUP_DIR"/openclaw-*.tar.gz 2>/dev/null | wc -l)
+    
+    echo "✅ Backup created: $BACKUP_FILE ($SIZE)"
+    echo "📁 Total backups: $COUNT"
+    exit 0
+else
+    echo "❌ Backup failed"
+    exit 1
+fi