refactor: [shitty claude AI first try] restructure server and user services, add new test cases, and improve error handling

test.env

@@ -0,0 +1,44 @@
+# Test Environment Configuration
+# This file contains configuration for running tests
+
+# Test Database Configuration
+TEST_DB_HOST=localhost
+TEST_DB_PORT=5432
+TEST_DB_NAME=logidex_test
+TEST_DB_USER=test_user
+TEST_DB_PASSWORD=test_password
+TEST_DB_SSL_MODE=disable
+
+# Test Redis Configuration
+TEST_REDIS_HOST=localhost
+TEST_REDIS_PORT=6379
+TEST_REDIS_PASSWORD=
+TEST_REDIS_DB=1
+
+# Test Hydra Configuration
+TEST_HYDRA_ADMIN_URL=http://localhost:4445
+TEST_HYDRA_PUBLIC_URL=http://localhost:4444
+
+# Test Environment Settings
+TEST_LOG_LEVEL=debug
+TEST_SERVER_PORT=8080
+TEST_TIMEOUT=30s
+
+# Mock Settings
+ENABLE_MOCKS=true
+MOCK_OTP_CODE=123456
+MOCK_SMS_PROVIDER=true
+
+# Test Feature Flags
+ENABLE_INTEGRATION_TESTS=false
+ENABLE_E2E_TESTS=false
+ENABLE_LOAD_TESTS=false
+
+# Test Timeouts
+TEST_DEFAULT_TIMEOUT=30s
+TEST_INTEGRATION_TIMEOUT=60s
+TEST_E2E_TIMEOUT=120s
+
+# Coverage Settings
+TEST_COVERAGE_THRESHOLD=80
+GENERATE_COVERAGE_REPORT=true