Each step now shows the physical movements in order, followed by its finish check and stopping point. Open “Scope, boundaries & why this step exists” for additional explanation. Product-dependent quantities and repair decisions are identified before work begins.

Recommended sink order: removal → old drain and rust repair → new drain → cabinet → reinstallation.

Task numbers identify jobs; the sidebar follows the recommended work order. Your checkmarks and notes are kept. Earlier checked actions stay checked; this update does not certify them again. If reality differs from the described result, stop that action and send the difference in our chat.