Hand-drawn causal graphs of languages and frameworks. Each one corrects a misconception by showing the causal chain end-to-end. Click in, hover the nodes, ask the Oracle — this is what causal reasoning about code looks like.
sys.path, packages, and the __init__.py mystery
Fiber, hooks order, and the render/commit split
Owners, borrows, lifetimes, and Drop
middleware → layout → page → server action
entry → modules → chunks → tree-shake
parse → plan → optimize → execute
phases, microtasks, and why setTimeout(0) isn't 0