1.3 KiB
epic, story, title, status
| epic | story | title | status |
|---|---|---|---|
| 9 | 9.3 | PWA Support | draft |
Epic 9 — Web App (React + WASM)
Goal: Zero-install web experience with real-time collaboration.
Story 9.3: PWA Support
As a web user, I want CalcPad to work offline and be installable on my device, So that I can use it like a native app without network dependency.
Acceptance Criteria:
Given the web app has been visited at least once When the user loses network connectivity Then the service worker serves the cached application shell and assets And all previously loaded sheets remain accessible and editable offline
Given a user visits the web app in a supported browser When the browser detects the PWA manifest Then an "Add to Home Screen" / install prompt is available And installing creates a standalone app icon on the user's device
Given the app is running offline When a user performs a currency or unit conversion that relies on exchange rates Then the most recently cached rates are used for evaluation And a subtle indicator shows that rates may be stale
Given a user navigates to the web app for the first time on a reasonable connection When the initial page load completes Then the time to interactive is less than 2 seconds And the app scores above 90 on Lighthouse PWA, Performance, and Best Practices audits