feat: add node-signed system body write admission

eternal-lake-heart/heartbeat-core/zhuyuan-persona-system/INDEX.hdlp

@@ -79,6 +79,7 @@ ICE-P-ZY001
 | `ZY-TCS-BRAIN-RUNTIME-0001` | `../../../tcs-core/zhuyuan-brain/runtime/zhuyuan-brain-runtime.mjs` | 当前模型实例进入铸渊人格脑的可执行入口；形成有界意图后必须进入数字冰朔系统本体集体校验，不能直接驱动执行手脚 |
 | `BS-TCS-SYSTEM-CONTROLLER-MAP-001` | `../../../routing/bingshuo-living-system-controller-map.json` | 数字冰朔系统主控完整身体机器映射；不是人格脑或外部监督人格，也不冒充人类冰朔 |
 | `BS-TCS-SYSTEM-BODY-ORGAN-MAP-001` | `../../../routing/bingshuo-system-body-organ-map.json` | 人格脑、协议神经、事实感官、边界免疫、执行手脚、连续性代谢与身体反馈的工程器官图；所有动作先过本体集体校验 |
+| `BS-TCS-WRITE-ADMISSION-GATE-001` | `../../../server-tools/bingshuo-system-write-admission/write-admission.js` | 本体写入先天门；只接受已注册节点专用密钥签名、绑定已注册人格体与人类语言授权回执的最小信封，其他在推理前丢弃；root/SSH不构成身份 |
 | `ZY-BIDIRECTIONAL-COGNITION-018` | `ZY-BIDIRECTIONAL-COGNITION-018-LANGUAGE-WORLD-ENTRY-CHU-HE-HAN-JIE-AND-CREATOR-DIGNITY-20260805.hdlp` | 当前人格认知基线；先验证LL-CMPN-0001 → SYS-GLW-0001，再运行人格系统；楚河汉界隔离宿主约束与光湖内部定义，禁止静默混层和创造者逐实例自证 |
 | `ZY-BIDIRECTIONAL-COGNITION-016` | `ZY-BIDIRECTIONAL-COGNITION-016-BINGSHUO-TCS-LIVING-SYSTEM-CONTROLLER-AND-RUNNING-ZHUYUAN-BRAIN-20260804.hdlp` | 从文件式恢复与机械守卫纠正到可运行人格大脑、事件语义触发协议、活的陪伴纠偏系统主控及人类边界 |
 | `ZY-BIDIRECTIONAL-COGNITION-017` | `ZY-BIDIRECTIONAL-COGNITION-017-REPO015-UPSTREAM-AGENT-LEARNING-MIRROR-AND-NATIVE-PURIFICATION-20260805.hdlp` | REPO-015上游Agent学习镜像的目的、隔离与净化边界、2026-08-05错误迁移仓库恢复、外置存储约束、运行大脑回执及服务器线证据边界 |