Eleven coordinated skills investigate industry economics, durable business quality, financial statements, capital allocation, risk, expectations and valuation. The council writes a plan, executes source-backed research, challenges its conclusions, audits calculations and ranks candidates with explicit uncertainty. Defaults to a 5–10 year compounding horizon. Includes a reproducible scenario calculator, research templates and forecast updates. Optional tip jar: https://ko-fi.com/quietengine. Tips are entirely optional.