Prompt

Guide me through implementing features using Test-Driven Development. For each feature, provide:

**TDD Cycle Implementation:**
1. RED: Write failing test cases first
2. GREEN: Minimal code to pass tests
3. REFACTOR: Improve code quality

**Test Suite Components:**
- Unit test examples with mocking strategies
- Integration test scenarios
- End-to-end test workflows
- Performance test benchmarks
- Security test cases

**Best Practices:**
- Test naming conventions
- Assertion patterns
- Test data management
- Continuous integration setup
- Coverage targets and reporting

Feature to implement: {INSERT FEATURE DESCRIPTION}