README.md = navigation + routing + common questions
TRACK_M_MANUAL_QA.md = 24 questions for manual testers
TRACK_A_AUTOMATION.md = 34 questions for AQA/SDET
TRACK_I_IT_ADJACENT.md = 16 questions for support/devops/analyst
TRACK_Z_FROM_SCRATCH.md = 11 questions for career changers

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>