fix(dashboard): exclude hidden providers from usage stats provider list

src/shared/components/UsageStats.js

@@ -239,6 +239,7 @@ export default function UsageStats({ period: periodProp, setPeriod: setPeriodPro
         const unique = (d?.connections || []).filter((c) => {
           if (c.isActive === false) return false;
           if (!isLLMProvider(c.provider)) return false;
+          if (AI_PROVIDERS[c.provider]?.hidden) return false;
           if (seen.has(c.provider)) return false;
           seen.add(c.provider);
           return true;
@@ -247,7 +248,7 @@ export default function UsageStats({ period: periodProp, setPeriod: setPeriodPro
           nodeName: nodeNameMap[c.provider] || null,
         }));
         const noAuthProviders = Object.values(FREE_PROVIDERS)
-          .filter((p) => p.noAuth && !seen.has(p.id) && isLLMProvider(p.id))
+          .filter((p) => p.noAuth && !p.hidden && !seen.has(p.id) && isLLMProvider(p.id))
           .map((p) => ({ provider: p.id, name: p.name }));
         setProviders([...unique, ...noAuthProviders]);
       })