feat(openclaw): add additive mode frontend support

- Add getOpenClawLiveProviderIds() API for querying live config
- Update ProviderList to query OpenClaw live IDs
- Rename isOpenCodeMode to isAdditiveMode (covers OpenCode + OpenClaw)
- Update ProviderCard shouldAutoQuery and isActiveProvider logic
- Update App.tsx onRemoveFromConfig and invalidateQueries for OpenClaw

src/components/providers/ProviderCard.tsx

@@ -133,7 +133,10 @@ export function ProviderCard({
 
   const usageEnabled = provider.meta?.usage_script?.enabled ?? false;
 
-  const shouldAutoQuery = appId === "opencode" ? isInConfig : isCurrent;
+  // 获取用量数据以判断是否有多套餐
+  // 累加模式应用（OpenCode/OpenClaw）：使用 isInConfig 代替 isCurrent
+  const shouldAutoQuery =
+    appId === "opencode" || appId === "openclaw" ? isInConfig : isCurrent;
   const autoQueryInterval = shouldAutoQuery
     ? provider.meta?.usage_script?.autoQueryInterval || 0
     : 0;
@@ -176,9 +179,14 @@ export function ProviderCard({
     onOpenWebsite(displayUrl);
   };
 
+  // 判断是否是"当前使用中"的供应商
+  // - OMO 供应商：使用 isCurrent
+  // - 累加模式应用（OpenCode 非 OMO / OpenClaw）：不存在"当前"概念，始终返回 false
+  // - 故障转移模式：代理实际使用的供应商（activeProviderId）
+  // - 普通模式：isCurrent
   const isActiveProvider = isOmo
     ? isCurrent
-    : appId === "opencode"
+    : appId === "opencode" || appId === "openclaw"
       ? false
       : isAutoFailoverEnabled
         ? activeProviderId === provider.id