- Install 5pm-hdh/churchtools-api v2.1.0
- Verify CTConfig::setApiKey() and authWithLoginToken() both available
- Document API response shapes for /api/events and /api/songs
- Confirm CCLI field present, lyrics available, arrangements included
- TDD: CtsApiSpikeTest with 2 tests, 11 assertions - all passing
- Evidence saved to .sisyphus/evidence/task-0-*.txt
- Findings documented in docs/api-response-shapes.md
Related: Task 0 (Wave 0 - API Spike)
