docs: hand off private Windows runtime integration

docs/协作/evidence/windows-runtimes-01/ui-dom.txt

@@ -0,0 +1,24 @@
+{
+  "result": "PASS",
+  "checks": [
+    "exactly four accessible switches",
+    "ready status derives from backend",
+    "duplicate clicks produce one patch",
+    "saving retains acknowledged value and disables all controls",
+    "tool patch is narrow",
+    "master off preserves individual choices",
+    "master on restores choices",
+    "failed save does not change persisted checkmark",
+    "retry succeeds and clears error",
+    "reopen reloads saved choices",
+    "missing bundle is disabled with honest status",
+    "non-Windows disables controls and explains support",
+    "read failure offers recovery without enabling controls",
+    "read retry recovers actual state",
+    "save acknowledged after navigation is read on reopen",
+    "no unrelated security controls",
+    "future process and system fallback warning present",
+    "no uncaught renderer errors"
+  ],
+  "limits": "Controlled DOM/API fixture, not Windows execution or screenshot pixel parity."
+}