chore(impeccable): 审计工具链重构与精简

更新 .agents/skills/impeccable：移除旧 detector/live 脚本簇与若干 reference，
改用打包后的 scripts/bin 与精简 reference（含 degraded/*、native/*）。
纯工具链，不触及营销站源码与站点运行时。

.agents/skills/impeccable/scripts/live-browser-dom.js

@@ -5,8 +5,6 @@
  * chrome mounting, lookup, focus, and picker helpers without depending on the
  * full overlay UI bundle.
  */
-// @ts-nocheck
-
 (function (root) {
   'use strict';
   if (!root) return;
@@ -66,6 +64,26 @@
       };
     }
 
+    function hasFrameworkHmrOwnership(el) {
+      for (let node = el; node; node = node.parentElement) {
+        let keys = [];
+        try { keys = Object.getOwnPropertyNames(node); } catch {}
+        if (keys.some((key) => (
+          key.startsWith('__reactFiber$')
+          || key.startsWith('__reactProps$')
+          || key.startsWith('__reactContainer$')
+          || key === '_reactRootContainer'
+          || key === '__vueParentComponent'
+          || key === '__vue_app__'
+          || key === '__vnode'
+          || key === '__svelte_meta'
+        ))) {
+          return true;
+        }
+      }
+      return false;
+    }
+
     function id8() {
       if (crypto?.randomUUID) return crypto.randomUUID().replace(/-/g, '').slice(0, 8);
       return (Math.random().toString(16).slice(2) + Date.now().toString(16)).slice(0, 8);
@@ -130,6 +148,7 @@
       desc,
       rectIsUsableAnchor,
       makeFrozenAnchor,
+      hasFrameworkHmrOwnership,
       id8,
       cssId,
       liveUiRoot,