# Progress Tracking ## Milestones - [x] Initial Environment & Docs Setup - [x] Core Calculation Engine - [x] Web UI & Integration - [x] Final Build & Polish - [x] Firebase deployment ## Todo List - [x] Create project structure - [x] Initialize Memory Bank documents - [x] Create Blueprint documents (PRD, Architecture) - [x] Project setup (Vite, TS, Tailwind, Vitest) - [x] Implement `src/calculator.ts` - [x] Write tests in `src/calculator.test.ts` - [x] Implement `index.html` UI - [x] Implement `src/main.ts` glue code - [x] Verify build output