chore: move cron scripts to ~/.openclaw/cron/scripts

- Move scripts from ~/work/backup/ to ~/.openclaw/cron/scripts/
- Update cron jobs.json to use new script paths
- Scripts: backup_openclaw.sh, evolver-run.sh, zq-sync.sh, git-auto-sync.sh, ai-conversation-logger.sh

cron/scripts/backup_openclaw.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# 备份 openclaw.json
+BACKUP_DIR="/home/starmen1265/work/backup"
+SOURCE_FILE="/home/starmen1265/.openclaw/openclaw.json"
+
+# 创建备份目录（如果不存在）
+mkdir -p "$BACKUP_DIR"
+
+# 备份文件，文件名包含日期时间
+TIMESTAMP=$(date +%Y-%m-%d_%H-%M-%S)
+cp "$SOURCE_FILE" "$BACKUP_DIR/openclaw.json.$TIMESTAMP"
+
+# 只保留最近30个备份
+cd "$BACKUP_DIR"
+ls -t openclaw.json.* | tail -n +31 | xargs -r rm
+
+echo "Backup completed: openclaw.json.$TIMESTAMP"