{"thought": "只找到一个备份文件，没看到 data_fabric 实际服务/数据。先看这个备份文件了解 data_fabric 是什么，再全局搜一下相关服务、配置、数据文件。", "action": "shell_exec", "params": {"command": "grep -i 'data_fabric\\|datafabric' /home/lsh/coi/agents/maker/agent_server.py.bak_20260819_datafabric | head -30; echo '===目录搜索==='; grep -rl 'data.?fabric' /home/lsh/coi --include='*.py' --include='*.json' --include='*.md' --include='*.log' 2>/dev/null | grep -v node_modules | head -30; echo '===服务/端口==='; ss -tlnp 2>/dev/null | grep -E '8817|8818|8819' ; pgrep -fa 'server.py' "}