fix(core): 修复子智能体工具去重失效及内置工具误删问题#5459

SXP-Simon wants to merge 2 commits intoAstrBotDevs:masterAstrBotDevs/AstrBot:masterfrom

SXP-Simon:fix/agent-tool-deduplicatingSXP-Simon/AstrBot:fix/agent-tool-deduplicatingCopy head branch name to clipboard