5 lessons, ~50 minutes total. Go from "I don't know what I don't know" to tracing any feature end-to-end in this repo.
Template → Assessment → Response → Report. Learn the loop, and every folder has a place.
Env vars, db/run.js wrapper, migrations, and what "merge to main auto-deploys" means.
templates, assessments, responses, llm_keys. Read any Drizzle query and predict what it returns.
Layout guard vs action guard. Why /respond/[token] is public.
Follow a template from AI generation through assessment, response, to report. Every file touched.
Maturity-SE Onboarding Tutorial