feat(executors): Improved UI components for displaying provider limits and usage statistics in the dashboard.

src/shared/constants/providers.js

@@ -76,3 +76,6 @@ export const ID_TO_ALIAS = Object.values(AI_PROVIDERS).reduce((acc, p) => {
   acc[p.id] = p.alias;
   return acc;
 }, {});
+
+// Providers that support usage/quota API
+export const USAGE_SUPPORTED_PROVIDERS = ["antigravity", "kiro", "github", "claude"];