清理磁盘polymarket，swap

# 1. 结算同步器重复生成的数据库备份，只保留最近3个
cd /opt/polymarket-mcp-server
ls -1t backups/btc5m_before_live_settlement_sync_*.sqlite 2>/dev/null | tail -n +4 | xargs -r rm -f

# 2. 之前手动回填/热修复产生的旧 sqlite 备份，也只保留最近3个
ls -1t backups/*.sqlite 2>/dev/null | tail -n +4 | xargs -r rm -f

# 3. Python 缓存
find /opt/polymarket-mcp-server -type d -name "__pycache__" -prune -exec rm -rf {} +

# 4. 系统 apt 缓存
apt clean

# 5. systemd 日志只保留2天
journalctl --vacuum-time=2d

swapoff -a && swapon -a
free -h

/etc/polymarket-mcp/live.env

POLYGON_PRIVATE_KEY=0x你的私钥
POLYMARKET_PROXY_ADDRESS=0x你的Polymarket代理钱包地址
POLYMARKET_SIGNATURE_TYPE=3
POLYMARKET_CHAIN_ID=137

POLYMARKET_API_KEY=你的api_key
POLYMARKET_API_SECRET=你的api_secret
POLYMARKET_API_PASSPHRASE=你的api_passphrase

BTC5M_LIVE_EXECUTION_STUB_ONLY=true