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Reactive-Resume/docs/superpowers/specs/2026-05-15-manifest-only-pwa-design.md
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4.0 KiB

Manifest-Only PWA Design

Date: 2026-05-15

Goal

Reduce Reactive Resume's PWA implementation to install metadata only.

The site should remain installable on supported phones and desktops through the web app manifest, icons, screenshots, and mobile app meta tags. The PWA implementation should not generate, register, or rely on a service worker, and it should not provide offline support, app-shell precaching, runtime caching, or fallback navigation.

Non-Goals

  • Do not add offline support.
  • Do not add a no-op service worker.
  • Do not add runtime caching rules for app assets, API responses, uploaded files, generated PDFs, or routes.
  • Do not change product UI, routing, auth, resume editing, public resume pages, or PDF generation behavior.
  • Do not change normal browser or HTTP caching behavior owned by the browser or server.

Architecture

Keep install metadata in apps/web/public/manifest.webmanifest. That static manifest remains the source of truth for app name, description, theme color, background color, icons, screenshots, categories, scope, and start URL.

Keep mobile install/open-as-app meta tags in apps/web/src/libs/pwa.ts. That module continues to own:

  • pwaHeadMetaTags
  • app name and theme color used by those head meta tags

Add the same manifest, icon, and mobile install hints directly to apps/web/index.html so install metadata is present in the initial HTML without relying on vite-plugin-pwa HTML injection or client-side route head updates.

Remove the service-worker part of the current architecture:

  • Remove VitePWA usage from apps/web/vite.config.ts.
  • Remove the vite-plugin-pwa dependency from apps/web/package.json and the lockfile.
  • Remove the now-unused pwaManifest and pwaServiceWorkerRegistrationScript exports from apps/web/src/libs/pwa.ts.
  • Stop injecting the production navigator.serviceWorker.register("/sw.js", { scope: "/" }) script from apps/web/src/routes/__root.tsx.

The root route keeps the existing manifest link:

{ rel: "manifest", href: "/manifest.webmanifest", crossOrigin: "use-credentials" }

The root route also keeps the PWA-related head meta tags, including theme-color and Apple mobile web app tags, because those are part of the install/open-as-app experience rather than offline behavior.

Data Flow

Browsers discover install metadata by reading the root document head and fetching /manifest.webmanifest.

Manifest-linked assets continue to be served as static public assets from apps/web/public, including:

  • favicon assets
  • PWA icons
  • maskable icon
  • Apple touch icon
  • installation screenshots

No service worker is emitted by the web build, no service worker is registered at runtime, and no Workbox precache manifest is produced.

Error Handling

There is no PWA-controlled offline fallback.

When the network is unavailable, the app behaves like a normal website: navigations, API calls, uploaded assets, and generated downloads fail according to the browser and server behavior already in place. This is intentional because installability is the only remaining PWA goal.

Testing

Remove apps/web/src/libs/pwa.test.ts.

The file currently tests both install metadata and service-worker registration behavior. After this change, the remaining PWA surface is static manifest/head metadata with no behavior-specific module contract worth preserving as a dedicated unit test.

Implementation should still verify by inspection and build output that:

  • apps/web/dist/index.html includes the manifest link and mobile install meta tags
  • the root route keeps the manifest link
  • PWA head meta tags remain present
  • no service-worker registration script is exported or injected by the root route
  • no sw.js or Workbox precache output is emitted by the web build

Focused validation after implementation:

pnpm --filter web typecheck
pnpm --filter web build

If the package dependency removal changes the lockfile, verify the lockfile remains scoped to removing vite-plugin-pwa and its now-unused Workbox dependency graph.