fix issues

apps/api/src/config/feature-loader.ts

@@ -19,7 +19,7 @@ const DEFAULT_CONFIG_PATH = 'apps/api/src/config/features.config.ts';
  * Output: { 'sponsors.portal': 'enabled' }
  */
 function flattenFeatures(
-  config: Record<string, any>,
+  config: Record<string, unknown>,
   prefix: string = ''
 ): FlattenedFeatures {
   const flattened: FlattenedFeatures = {};
@@ -29,7 +29,7 @@ function flattenFeatures(
 
     if (typeof value === 'object' && value !== null && !Array.isArray(value)) {
       // Recursively flatten nested objects
-      Object.assign(flattened, flattenFeatures(value, fullKey));
+      Object.assign(flattened, flattenFeatures(value as Record<string, unknown>, fullKey));
     } else if (isFeatureState(value)) {
       // Assign feature state
       flattened[fullKey] = value;