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/git-auto-sync.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# 自动检查并提交 git 修改
+
+cd ~/.openclaw
+git add -A
+if ! git diff --cached --quiet; then
+    git commit -m "自动同步: $(date '+%Y-%m-%d %H:%M')"
+    git push origin main
+fi
+
+cd ~/.openclaw/extensions
+git add -A
+if ! git diff --cached --quiet; then
+    git commit -m "自动同步: $(date '+%Y-%m-%d %H:%M')"
+    git push origin main
+fi