01 Module 1 — CLAUDE.md as a contracton-ramp: what agentic coding is → 02 Module 2 — Delegation × Next Token Predictionhow the agent builds code → 03 Module 3 — Description × Knowledgewhat the AI knows about your stack → 04 Module 4 — Working Memory ⭐context engineering — the core → 05 Module 5 — Diligence + Sub-agents + Skills+ diagnostics & certificate →