Question-led guidance

Start with the engineering question.

Every guide states a direct answer, defines its scope, shows the diagnostic path, and names its limitations.

Published foundation guides

Twenty reviewed guides cover two high-value questions for each Signal Studio book. The remaining research backlog will be reprioritized from real search and community evidence after launch.

Q-COST-002 · how-to

How do I calculate cost per AI outcome?

A fully loaded outcome-ledger method that includes accepted, rejected, reversed, and reviewed AI work instead of dividing one provider invoice by request count.

Q-SEC-001 · risk-control

Can a system prompt stop prompt injection?

Why instruction wording cannot be the only prompt-injection control, and how to build boundaries around evidence, tools, authority, and effects.

Q-GEO-001 · comparison

GEO vs SEO: what actually changes?

A responsibility matrix separating durable SEO foundations from the evidence design and answer-level observations added by generative search experiences.

Q-FDE-001 · definition

What is a forward-deployed engineer, really?

A decision-oriented definition of forward-deployed engineering, including ownership, customer proximity, product feedback, and boundaries with consulting.