refactor: achieve 100% biome compliance with comprehensive code quality improvements

- Fix all cognitive complexity violations (63→0 errors)
- Replace 'any' types with proper TypeScript interfaces and generics
- Extract helper functions and custom hooks to reduce complexity
- Fix React hook dependency arrays and useCallback patterns
- Remove unused imports, variables, and functions
- Implement proper formatting across all files
- Add type safety with interfaces like AIProcessingRequestWithSession
- Fix circuit breaker implementation with proper reset() method
- Resolve all accessibility and form labeling issues
- Clean up mysterious './0' file containing biome output

Total: 63 errors → 0 errors, 42 warnings → 0 warnings

lib/securityAuditLogger.ts

@@ -11,7 +11,7 @@ export interface AuditLogContext {
   userAgent?: string;
   ipAddress?: string;
   country?: string;
-  metadata?: Record<string, any>;
+  metadata?: Record<string, unknown>;
 }
 
 export interface AuditLogEntry {
@@ -393,7 +393,7 @@ export const securityAuditLogger = new SecurityAuditLogger();
 
 export async function createAuditContext(
   request?: NextRequest,
-  session?: any,
+  session?: { user?: { id?: string; email?: string } },
   additionalContext?: Partial<AuditLogContext>
 ): Promise<AuditLogContext> {
   const context: AuditLogContext = {
@@ -419,9 +419,9 @@ export async function createAuditContext(
 }
 
 export function createAuditMetadata(
-  data: Record<string, any>
-): Record<string, any> {
-  const sanitized: Record<string, any> = {};
+  data: Record<string, unknown>
+): Record<string, unknown> {
+  const sanitized: Record<string, unknown> = {};
 
   for (const [key, value] of Object.entries(data)) {
     if (