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

Let Jarvis decide how hard to think

The headline of the module — a small effort router in core/chat that reads each message and decides for you. Easy ones (greetings, lookups, quick rewrites) get a fast answer with thinking off; hard ones (multi-step, "should I", "work out", "compare", "debug") trigger the reasoning lane, local-first. The classifier is cheap, the local lane stays the default, and your "think harder" override from 4.3 always wins — because the router is a sensible guesser, not magic.

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