feat: add executor gateway contracts

ops/src/api/admin.ts

@@ -237,6 +237,16 @@ export type OrchestratorEngineDescriptor = {
   capabilities: string[];
 };
 
+export type OrchestratorExecutorDescriptor = {
+  id: string;
+  label: string;
+  kind: string;
+  enabled: boolean;
+  dispatchImplemented: boolean;
+  status: string;
+  capabilities: string[];
+};
+
 export type OrchestratorConfigState = {
   config: OrchestratorConfig;
   configVersion: number;
@@ -245,6 +255,7 @@ export type OrchestratorConfigState = {
   source: string;
   runtime: OrchestratorRuntime;
   engines: OrchestratorEngineDescriptor[];
+  executors: OrchestratorExecutorDescriptor[];
 };
 
 export type OrchestratorServiceHealth = {

ops/src/pages/admin/OrchestratorPage.tsx

@@ -169,6 +169,36 @@ export function OrchestratorPage() {
         </p>
       </div>
 
+      <div className="card grid">
+        <div>
+          <h3 style={{ margin: 0 }}>Executor Gateway</h3>
+          <p style={{ margin: '4px 0 0', color: '#68716c', fontSize: 13 }}>
+            Phase 3.2 仅注册版本化适配器契约；所有执行器均为 contract-only，不会启动进程或接管任务。
+          </p>
+        </div>
+        <div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fit, minmax(220px, 1fr))', gap: 10 }}>
+          {(state.executors ?? []).map((executor) => (
+            <div
+              key={executor.id}
+              style={{ border: '1px solid #e4e9e6', borderRadius: 10, padding: 12 }}
+            >
+              <div style={{ display: 'flex', justifyContent: 'space-between', gap: 8 }}>
+                <strong>{executor.label}</strong>
+                <span style={{ color: executor.enabled ? '#2f6f57' : '#8a5a16', fontSize: 13 }}>
+                  {executor.status}
+                </span>
+              </div>
+              <p style={{ margin: '8px 0 0', color: '#68716c', fontSize: 13 }}>
+                {executor.capabilities.join(' · ') || '无能力声明'}
+              </p>
+              <small style={{ display: 'block', marginTop: 8 }}>
+                dispatch {executor.dispatchImplemented ? 'implemented' : 'disabled'}
+              </small>
+            </div>
+          ))}
+        </div>
+      </div>
+
       <OrchestratorShadowPanel />
 
       <OrchestratorExecutionPlanPanel />