Everything you share during an engagement is treated as confidential.
Your source documents, project information, operating knowledge, pricing logic, and company-specific procedures remain yours.
The workflow maps, documented procedures, inventories, and other client-specific Phase 1 deliverables are yours to keep and use whether or not the engagement continues.
Construction OS, reusable system components, methods, and underlying intellectual property remain mine unless the engagement agreement specifically says otherwise.
Any Phase 2 ownership, licensing, or ongoing-support terms are defined before that work begins.