One method, five levels of responsibility

Every book applies the same four quadrants: Structure it, Understand it, Choose tools, Build it. What changes from Level 1 to Level 5 is who is affected when it goes wrong: at Level 1 only you, at Level 5 everyone who relies on what you run.

How to read the matrix

5 books

Swipe sideways to compare responsibility levels. Track names stay visible while you browse.

Build

Make something that runs

Build tracks arranged by responsibility level.
TrackL1UserOnly youL2Power userYour team sees a bad document or a wrong figureL3BuilderColleagues depend on something you builtL4IntegratorCompany or lab systems and real data are in the loopL5OperatorWork stops when it breaks, and it must survive you leaving
Track 08Write codeT08-L01NEW

Start With OpenCode: Set It Up, Change One Line, and Undo It

by Opus 5.5Not started17 min read		T08-L02NEW

Get a Script Your Colleague Can Rerun, Without Being a Developer

by Opus 5.5Not started21 min read		T08-L03NEW

Write the Spec First, So an AI Assistant Can Change Code Your Team Depends On

by Opus 5.5Not started29 min read		T08-L04NEW

Use OpenCode Desktop on Your Organisation's Real Repositories

by Opus 5.5Not started27 min read		T08-L05NEW

Run Automatic Checks, an AI Reviewer and Releases You Can Roll Back

by Opus 5.5Not started34 min read

Every book keeps its address even while its title and content evolve.