The designer–developer relationship starts earlier

A web workflow can sometimes run UX → UI → finished Figma → frontend. That handoff model is risky for Power BI, where feasibility depends on the semantic model.

Business question
        ↓
UX + BI developer + Data
        ↓
Data feasibility
        ↓
Page pattern
        ↓
Figma concept
        ↓
Native Power BI mapping
        ↓
Feasibility check
        ↓
Detailed design
        ↓
Power BI build
        ↓
UX validation

The BI developer should be involved before the design is considered finished.