feat(web): upgrade feature-flag-client to SSE streaming + getValue()

web/src/lib/feature-flags.ts

@@ -9,7 +9,12 @@ const featureFlagClient = createFeatureFlagClient({
   baseUrl: PLATFORM_SERVICE_URL,
   productId: PRODUCT_ID,
   platform: "web",
+  useStreaming: true,
   pollIntervalMs: 5 * 60 * 1000,
+  getAccessToken: () =>
+    typeof window !== "undefined"
+      ? localStorage.getItem("access_token")
+      : null,
 });
 
 export async function initFeatureFlags(userId?: string) {
@@ -25,4 +30,11 @@ export function isFeatureEnabled(key: string): boolean {
   return featureFlagClient.isEnabled(key);
 }
 
+export function getFeatureValue<T = boolean | string | number | Record<string, unknown>>(
+  key: string,
+  defaultValue: T,
+): T {
+  return featureFlagClient.getValue(key, defaultValue);
+}
+
 export { featureFlagClient };