feat: add repository pattern, service layer architecture, and scheduler management

- Implement repository pattern for data access layer
- Add comprehensive service layer for business logic
- Create scheduler management system with health monitoring
- Add bounded buffer utility for memory management
- Enhance security audit logging with retention policies

components/providers/CSRFProvider.tsx

@@ -22,10 +22,10 @@ interface CSRFContextType {
   loading: boolean;
   error: string | null;
   refreshToken: () => Promise<void>;
-  addTokenToFetch: (_options: RequestInit) => RequestInit;
-  addTokenToFormData: (_formData: FormData) => FormData;
+  addTokenToFetch: (options: RequestInit) => RequestInit;
+  addTokenToFormData: (formData: FormData) => FormData;
   addTokenToObject: <T extends Record<string, unknown>>(
-    _obj: T
+    obj: T
   ) => T & { csrfToken: string };
 }