Workflow Proof Kit is a model-agnostic system for turning one repeatable business task into a documented, reviewable human-in-the-loop AI workflow. It includes a setup guide, workflow map, decision gates, prompt cards for intake, context packing, drafting, critique, fact checking, and handoff, plus an evaluation rubric and change log. A fictional customer-support process demonstrates how to move from an ad-hoc request to a repeatable workflow with clear human review points. The kit uses invented examples, avoids proprietary brand frameworks, and is designed for practical adaptation by a solo operator or small team. It is a workflow documentation tool, not a guarantee of productivity, accuracy, revenue, or compliance. The kit contains editable Markdown and CSV documentation plus a read-only HTML overview, not an AI agent or automation engine. It does not run models, check facts automatically, send replies or configure automations. Any AI use is manual and separate; no provider account, API access or service subscription is included. Unzip and open workflow_demo.html in a browser; edit Markdown and CSV files in a text editor or spreadsheet app. The rubric supports manual review, not independent accuracy or compliance certification. Gallery previews are illustrative concept artwork, not screenshots of an executing workflow. License: limited, non-exclusive and non-transferable, for personal use or one internal project. You may adapt the included files within that project. Do not resell, sublicense, redistribute, upload, share, bundle, publish or give away original files or modified standalone versions, or use them to create a competing template, pack, course, source-code product or asset library. Only limited portfolio screenshots that do not expose downloadable source files are permitted. Ownership remains with the seller; the included LICENSE.txt provides the full terms.