Powerbidashboard/docs/migration-plan.md

Migration Plan

Phase 1 — Intake & Inventory

• Collect CSV/DAX exports and source report screenshots
• Document data model + relationships
• Identify all KPIs and filters

Phase 2 — KPI Definition

• Translate each DAX measure into deterministic formulas
• Validate calculations against source data

Phase 3 — Backend Logic (Local)

• Implement KPI calculations in JS (no database yet)
• Build reusable aggregation utilities

Phase 4 — UI Buildout

• Recreate filters, charts, and tables
• Match layout/visual hierarchy

Phase 5 — Validation

• Compare KPI outputs to Power BI values
• Iterate until exact match