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Resuming Claude Code Sessions Properly: What Comes Back and What Doesn't

· 12 min read
Pere Pages
Software Engineer
A person at a terminal desk picking up one of several luminous threads that trail from the keyboard back into a dark archive of drawers; the chosen thread glows brighter than the others, and a paper notebook lies open beside the keyboard

I opened Claude Code on a side project after a day away, and it greeted me with a careful reconstruction of what we had been doing, pieced together from the notes file and the working tree. It was right, but it was a guess. The whole conversation that produced that work was sitting on disk, one command away. Here is how sessions actually persist, what a resumed one gives you back, and what it never will.

Skimming AI-Written Code Is a Bet: Review the Structure, Not the Diff

· 17 min read
Pere Pages
Software Engineer
A small figure inspects a single glowing brick through a large magnifying glass while the whole brick tower above leans badly out of true; an architectural blueprint lies unrolled and ignored under their feet

When a coding agent writes most of the code, reading every diff stops being realistic, and "reading diagonally" — skimming — becomes the default. It is a real bet, not a safe one: architecture doesn't break in any single diff, it erodes across all of them, and skimming checks exactly the part that was never the problem.