feat(orchestrator): enforce Page Data validation gate

ops/src/api/admin.ts

@@ -228,6 +228,13 @@ export type OrchestratorRuntime = {
     reason: string | null;
     environmentGate: boolean;
   };
+  pageDataValidationGate: {
+    requested: boolean;
+    enabled: boolean;
+    failClosed: boolean;
+    reason: string | null;
+    environmentGate: boolean;
+  };
   executionHandoff: {
     implemented: boolean;
     requested: boolean;

ops/src/pages/admin/OrchestratorPage.tsx

@@ -182,6 +182,19 @@ export function OrchestratorPage() {
               {shadowWiringLabel}
             </p>
           </div>
+          <div>
+            <strong>Page Data 准入</strong>
+            <p style={{
+              marginBottom: 0,
+              color: state.runtime.pageDataValidationGate.enabled ? '#2f6f57' : '#8a5a16',
+            }}>
+              {state.runtime.pageDataValidationGate.enabled
+                ? '强制通过'
+                : state.runtime.pageDataValidationGate.requested
+                  ? '等待 Shadow wiring'
+                  : '仅观察'}
+            </p>
+          </div>
         </div>
         <p className={state.runtime.reason === 'kill_switch' ? 'alert' : 'warn'} style={{ marginBottom: 0 }}>
           {runtimeMessage}