Membership lesson · Build Your Jarvis · Module 4 — Thinking & reasoning

Show the thinking — in your chat window

Bring the reasoning lane from 4.2 into the chat itself. A collapsible thinking trace that's hidden by default — you see the answer, and expand the working only if you want it — plus a per-message "think harder" toggle. Personality and grounding stay on, so a reasoned answer can still cite a document and still sound like your assistant. Plan → workhorse Agent → frontier review, local-first.

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