datadrivenconstruction/OpenConstructionERP — reverse-engineered prompt

Build me a self hosted construction ERP for contractors and estimators. I want a clean web app where a team can create projects, manage a bill of quantities, compare costs against regional catalogues, and do quantity takeoff from PDF, CAD, and BIM files.

It should have dashboards for budget, schedule, risks, change orders, validation score, HSE, procurement, and clashes. Add 4D and 5D planning so users can connect quantities, schedule tasks, and costs. Include tendering, reports, daily site diary, punch lists, PDF markups, and a simple geo view where drawings or overlays can be placed on a map or globe.

Please include an AI chat button on every page that can answer questions using the project data, find cost matches, summarize risks, and help with BOQ items. Add multilingual support, demo accounts, sample construction data, and role based access. Make it polished enough to demo, with guided tours for the main modules. Look up current docs online if you need to.