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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#237

Suggested tasks in Claude Code Desktop: Start opens a nested session in the same folder

Suggested task cards appear when Claude spots work outside your current task. Start runs it in a nested session, by default in the same folder as this one; Do it here keeps it in this session; Options sets worktree, model and permissions first.

#236

/storage in Claude Desktop: where 14 GB go and what you can delete

Claude Desktop was holding 14 GB on my Mac and nothing said so. The /storage panel splits them into four blocks, lets you remove two, and makes clear that the biggest one, the runtime, stays.

#235

"Unrecoverable interface error" in Claude Code: ten causes, one update

"Unrecoverable interface error" in Claude Code ends the session on the spot, but nothing is lost. Ten known causes, fixed between 2.1.275 and 2.1.289, and what to do when --resume itself hits it again.

#234

Focus view in Claude Code for VS Code: read replies, not tool calls

Focus view, in Claude Code's VS Code extension, folds tool calls, their results and thinking into expandable rows. You keep your prompts and Claude's replies, and one shortcut brings everything back.

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