Document the complete pytest-bdd testing framework including:
- All 5 feature files with 14 scenarios and 87 Gherkin steps
- Given/When/Then step definitions (47 unique steps across all features)
- Test execution commands and environment setup
- Mocking strategy for LLM providers and email notifications
- Troubleshooting guide and BDD conventions
- Scenario coverage map and next steps for Phase A
This ensures all user-facing behaviors are documented, testable, and
maintainable for future development.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>