Add platform status switch

apps/web/src/App.tsx

@@ -560,6 +560,24 @@ export function App() {
     }
   }
 
+  async function savePlatformStatus(platform: IntegrationPlatform, status: 'enabled' | 'disabled') {
+    setCoreState('loading');
+    setCoreMessage('');
+    try {
+      const input = platformStatusUpdatePayload(platform, status);
+      const updated = await updatePlatform(token, platform.id, input);
+      const platformForState = withCredentialPreviewFallback(updated, input, platform);
+      setPlatforms((current) => current.map((item) => item.id === platform.id ? platformForState : item));
+      invalidateDataKeys('modelCatalog', 'modelRateLimits', 'playgroundModels');
+      setCoreState('ready');
+      setCoreMessage(status === 'enabled' ? '平台已启用。' : '平台已禁用。');
+    } catch (err) {
+      setCoreState('error');
+      setCoreMessage(err instanceof Error ? err.message : '切换平台状态失败');
+      throw err;
+    }
+  }
+
   async function savePlatformDynamicPriority(platformId: string, input: PlatformDynamicPriorityUpdateRequest) {
     setCoreState('loading');
     setCoreMessage('');
@@ -1029,6 +1047,7 @@ export function App() {
             onResetBaseModel={resetBaseModelToDefault}
             onSavePlatform={savePlatformWithModels}
             onSavePlatformDynamicPriority={savePlatformDynamicPriority}
+            onTogglePlatformStatus={savePlatformStatus}
             onSaveProvider={saveProvider}
             onSavePricingRuleSet={savePricingRuleSet}
             onSaveRunnerPolicy={saveRunnerPolicy}
@@ -1105,6 +1124,25 @@ function mergeExistingPlatformModelInput(input: PlatformModelBindingInput, curre
   };
 }
 
+function platformStatusUpdatePayload(platform: IntegrationPlatform, status: 'enabled' | 'disabled'): PlatformCreateInput {
+  return {
+    provider: platform.provider,
+    platformKey: platform.platformKey,
+    name: platform.name,
+    internalName: platform.internalName,
+    baseUrl: platform.baseUrl,
+    authType: platform.authType,
+    config: platform.config ?? {},
+    retryPolicy: platform.retryPolicy ?? {},
+    rateLimitPolicy: platform.rateLimitPolicy ?? {},
+    defaultPricingMode: platform.defaultPricingMode,
+    defaultDiscountFactor: platform.defaultDiscountFactor,
+    pricingRuleSetId: platform.pricingRuleSetId,
+    priority: platform.priority,
+    status,
+  };
+}
+
 function withCredentialPreviewFallback(
   platform: IntegrationPlatform,
   input: PlatformCreateInput,