feat: Enhance logging and type safety across various components and services

src/services/db/user.db.test.ts

@@ -8,7 +8,6 @@
 // --- END FIX REGISTRY ---
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
 import { PoolClient } from 'pg';
-import { withTransaction } from './connection.db';
 
 // Mock the logger to prevent stderr noise during tests
 vi.mock('../logger.server', () => ({
@@ -24,11 +23,12 @@ import { logger as mockLogger } from '../logger.server';
 // Un-mock the module we are testing to ensure we use the real implementation.
 vi.unmock('./user.db');
 
-// Mock the withTransaction helper since we are testing a function that uses it.
+// Mock the withTransaction helper. This is the key fix.
 vi.mock('./connection.db', async (importOriginal) => {
   const actual = await importOriginal<typeof import('./connection.db')>();
   return { ...actual, withTransaction: vi.fn() };
 });
+import { withTransaction } from './connection.db';
 import { UserRepository, exportUserData } from './user.db';
 
 import { mockPoolInstance } from '../../tests/setup/tests-setup-unit';
@@ -61,8 +61,7 @@ describe('User DB Service', () => {
   beforeEach(() => {
     vi.clearAllMocks();
     userRepo = new UserRepository(mockPoolInstance as any);
-    // Reset the withTransaction mock before each test
-    const { withTransaction } = require('./connection.db'); // eslint-disable-line @typescript-eslint/no-var-requires
+    // Provide a default mock implementation for withTransaction for all tests.
     vi.mocked(withTransaction).mockImplementation(async (callback: (client: PoolClient) => Promise<any>) => callback(mockPoolInstance as any));
   });