refactor(claude-desktop): show badge only for providers requiring routing

Direct-mode providers no longer display a badge since routing is
optional for them. Proxy-mode providers now show "需要路由" / "Requires
routing" to clarify that local routing must be active.

src/components/providers/ProviderCard.tsx

@@ -323,15 +323,12 @@ export function ProviderCard({
               )}
 
               {appId === "claude-desktop" &&
-                provider.category !== "official" && (
+                provider.category !== "official" &&
+                provider.meta?.claudeDesktopMode === "proxy" && (
                   <span className="inline-flex items-center rounded-md bg-sky-100 px-1.5 py-0.5 text-[10px] font-semibold text-sky-700 dark:bg-sky-900/40 dark:text-sky-300">
-                    {provider.meta?.claudeDesktopMode === "proxy"
-                      ? t("claudeDesktop.modeProxy", {
-                          defaultValue: "模型映射",
-                        })
-                      : t("claudeDesktop.modeDirect", {
-                          defaultValue: "直连",
-                        })}
+                    {t("claudeDesktop.modeProxy", {
+                      defaultValue: "需要路由",
+                    })}
                   </span>
                 )}