chore: migrate contexts to stores and refresh barrel exports

- Move state management from `src/contexts` to `src/stores` (zustand-based)
- Update barrelsby config to include new stores directory
- Add bottom-sheet and auth-background components
- Auto-open browser on dev server ready in VS Code launch config
- Refresh generated barrel index files

src/data/services/api/index.ts

@@ -10,7 +10,6 @@ export * from "./http_client";
 export * from "./metrics_api";
 export * from "./response_helper";
 export * from "./user_api";
-export * from "../../../core/net/config/api_config";
 export * from "./interceptor/auth_refresh_interceptor";
 export * from "./interceptor/logging_interceptor";
 export * from "./interceptor/token_interceptor";