test: add comprehensive test coverage and improve code quality

- Add new test files for auth, service, and handler modules
- Improve test organization and coverage
- Refactor code for better maintainability
- Add captcha, settings, stats, and theme handler tests
- Add auth module tests (CAS, OAuth, password, SSO, state)
- Add service layer tests for auth, export, permissions, roles
- All Go tests pass (exit code 0)
- All frontend tests pass (325 tests in 59 files)

cmd/server/main.go

@@ -91,8 +91,8 @@ func main() {
 		socialRepo,
 		jwtManager,
 		cacheManager,
-		8,   // passwordMinLength
-		5,   // maxLoginAttempts
+		8,              // passwordMinLength
+		5,              // maxLoginAttempts
 		15*time.Minute, // loginLockDuration
 	)
 	authService.SetRoleRepositories(userRoleRepo, roleRepo)
@@ -142,9 +142,6 @@ func main() {
 		jwtManager,
 		userRepo,
 		userRoleRepo,
-		roleRepo,
-		rolePermissionRepo,
-		permissionRepo,
 		l1Cache,
 	)
 	authMiddleware.SetCacheManager(cacheManager)
@@ -164,7 +161,7 @@ func main() {
 	exportHandler := handler.NewExportHandler(exportService)
 	statsHandler := handler.NewStatsHandler(statsService)
 	passwordResetHandler := handler.NewPasswordResetHandler(passwordResetService)
-	smsHandler := handler.NewSMSHandler()
+	smsHandler := handler.NewSMSHandler(authService, nil)
 	avatarHandler := handler.NewAvatarHandler(userRepo)
 	customFieldHandler := handler.NewCustomFieldHandler(customFieldService)
 	themeHandler := handler.NewThemeHandler(themeService)