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/DateRangePicker.tsx

@@ -5,7 +5,7 @@ import { useEffect, useId, useState } from "react";
 interface DateRangePickerProps {
   minDate: string;
   maxDate: string;
-  onDateRangeChange: (_startDate: string, _endDate: string) => void;
+  onDateRangeChange: (startDate: string, endDate: string) => void;
   initialStartDate?: string;
   initialEndDate?: string;
 }

components/TranscriptViewer.tsx

@@ -32,7 +32,7 @@ function renderMessageBubble(
             rehypePlugins={[rehypeRaw]}
             components={{
               p: "span",
-              a: ({ node: _node, ...props }) => (
+              a: ({ node, ...props }) => (
                 <a
                   className="text-sky-600 hover:text-sky-800 underline"
                   {...props}

components/forms/CSRFProtectedForm.tsx

@@ -15,7 +15,7 @@ interface CSRFProtectedFormProps {
   children: ReactNode;
   action: string;
   method?: "POST" | "PUT" | "DELETE" | "PATCH";
-  onSubmit?: (_formData: FormData) => Promise<void> | void;
+  onSubmit?: (formData: FormData) => Promise<void> | void;
   className?: string;
   encType?: string;
 }

components/magicui/confetti.tsx

@@ -21,7 +21,7 @@ import {
 import { Button } from "@/components/ui/button";
 
 type Api = {
-  fire: (_options?: ConfettiOptions) => void;
+  fire: (options?: ConfettiOptions) => void;
 };
 
 type Props = React.ComponentPropsWithRef<"canvas"> & {

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 };
 }
 

components/security/SecurityAlertsTable.tsx

@@ -29,7 +29,7 @@ interface SecurityAlert {
 
 interface SecurityAlertsTableProps {
   alerts: SecurityAlert[];
-  onAcknowledge: (_alertId: string) => void;
+  onAcknowledge: (alertId: string) => void;
 }
 
 export function SecurityAlertsTable({