refactor: fix biome linting issues and update project documentation

- Fix 36+ biome linting issues reducing errors/warnings from 227 to 191
- Replace explicit 'any' types with proper TypeScript interfaces
- Fix React hooks dependencies and useCallback patterns
- Resolve unused variables and parameter assignment issues
- Improve accessibility with proper label associations
- Add comprehensive API documentation for admin and security features
- Update README.md with accurate PostgreSQL setup and current tech stack
- Create complete documentation for audit logging, CSP monitoring, and batch processing
- Fix outdated project information and missing developer workflows

tests/unit/csrf.test.ts

@@ -5,7 +5,12 @@
  */
 
 import { describe, it, expect, beforeEach, vi } from "vitest";
-import { generateCSRFToken, verifyCSRFToken, CSRFProtection, CSRF_CONFIG } from "../../lib/csrf";
+import {
+  generateCSRFToken,
+  verifyCSRFToken,
+  CSRFProtection,
+  CSRF_CONFIG,
+} from "../../lib/csrf";
 
 // Mock Next.js modules
 vi.mock("next/headers", () => ({
@@ -237,4 +242,4 @@ describe("CSRF Protection", () => {
       expect(typeof CSRF_CONFIG.cookie.secure).toBe("boolean");
     });
   });
-});
+});