I read what’s new in AI at the source, then explain it with everyday life.
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A cloud session gives each task its own machine and branch: several jobs run side by side, survive a sleeping laptop, and come back as pull requests.
build-eval writes an exam for your AI app with you; hillclimb revises against it one change at a time, with held-out cases to catch cramming.
What a Claude Code mod is, how it slots into the session as a hook, two examples from the official guide, and Recording Mode to hide secrets on screen.
Effort doesn't make Claude smarter. It sets how much computing it spends, so how much it checks, tests edge cases and judges on its own.