添加 GitHub 同步脚本与定时任务

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/push-to-github.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# 卡若AI · 本地 → GitHub 同步（路径：个人/卡若AI）
+# 用法：./scripts/push-to-github.sh [提交说明]
+
+set -e
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$REPO_ROOT"
+
+if ! git remote get-url origin &>/dev/null; then
+  echo "未配置 origin。请执行: git remote add origin <仓库URL>"
+  exit 1
+fi
+
+if git diff --quiet && git diff --cached --quiet && [[ -z $(git status -s) ]]; then
+  echo "[$(date '+%Y-%m-%d %H:%M')] 无变更，跳过推送。"
+  exit 0
+fi
+
+git add -A
+msg="${1:-同步卡若AI：$(date '+%Y-%m-%d %H:%M')}"
+git commit -m "$msg" || true
+git push origin HEAD
+echo "[$(date '+%Y-%m-%d %H:%M')] 已推送到 GitHub。"