Juan Andrés Núñez.

Senior Frontend Engineer specializing in Agentic AI, professional educator and speaker. Where engineering meets humanism.

Juan Andrés Núñez
Focusing on

Building FrontendLeap: teaching how to build the professional Web with GenAI and learning science.

Helping companies and teams go AI First on the Claude platform.

Claude Code

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Claude Code: from zero to professional. Tips, tutorials and deep dive guides from an engineer who uses it 12 hours a day.

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#232

Claude Code idle compaction: it compacts before your cache expires

You step away from a 300K-token conversation. At minute 54 Claude Code compacts it before the cache expires, so your first message back doesn't pay for the whole history again.

#231

Claude Code worktree base branch: why your unpushed commits are missing

worktree.baseRef decides whether a Claude Code worktree gets your unpushed commits. By default it branches from origin/main and leaves them out, subagents included.

#230

Delete Claude Code history: claude purge wipes a project in one command

claude purge deletes everything Claude Code keeps about a project: transcripts, memory, edit history, even your trust in the folder. With --dry-run you see what goes first.

#229

Claude Code cloud setup script: why installs fail and sessions boot slow

Claude Code's cloud setup script: the network level that blocks installs, the five-minute limit that costs you the cache, and what belongs in a SessionStart hook instead.

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