refactor: clean up unused imports and dead code across commands, services, and tests.

src/modules/user/user.service.test.ts

@@ -1,5 +1,5 @@
 
-import { describe, it, expect, mock, beforeEach, afterEach } from "bun:test";
+import { describe, it, expect, mock, beforeEach } from "bun:test";
 import { userService } from "./user.service";
 
 // Define mock functions outside so we can control them in tests