Shopping assistants want to complete the purchase. Your default should be complete the decision. Checkout is a gated step.

Depth and product comparisons live on Buy By Prompt. This page is the operating pattern.

Pack

  • Budget and ceiling
  • Must-work-with (OS, size, existing kit)
  • Deal-breakers
  • Time (need it Friday vs browsing)
  • “Do not pay” unless you explicitly want a sandbox

Spec

Deliverable is usually a matrix: option, price, fit, risks, return window, source URL, recommendation = buy / wait / skip with one sentence why.

Process: no invented SKUs; NOT FOUND if the price is not on the page. Research pattern applies.

Loop

  1. Plan columns
  2. Fill rows from sources
  3. Critique: you click two links
  4. Decision is yours
  5. If an agent may add-to-cart, cap it and require confirm — what not to automate

Eval

  • Prices still true today (you loaded the page)
  • Compatibility claims have a source
  • No “as an AI I recommend this Amazon link” without the matrix

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