fix(pwa): restore service worker auto-update and bump to v1.2.2

[wsxiaolin]

Motivation

• The service worker was not taking control after installation because lifecycle calls were missing, causing updates to be downloaded but not activated.
• The application entry did not register the runtime update handler, so the front-end never triggered update checks and activation.
• Importing virtual:pwa-register caused a TypeScript resolution error without the plugin's client types.
• The app version needed to be bumped to reflect the release with these PWA fixes.

Description

• Added self.skipWaiting() and clientsClaim() to src/sw.ts so a newly installed SW activates and takes control immediately.
• Imported and invoked registerSW({ immediate: true }) from virtual:pwa-register in src/main.ts to enable runtime update registration.
• Added src/types/pwa-register.d.ts with /// <reference types="vite-plugin-pwa/client" /> to provide the necessary TypeScript typings for virtual:pwa-register.
• Bumped version from 1.2.1 to 1.2.2 in package.json and package-lock.json.

Testing

• Ran npm run build, which initially failed due to a missing module type, and then succeeded after adding the type declaration.
• The final vite build completed successfully and the PWA injectManifest step produced the service worker (dist/sw.js).
• No other automated tests were added or modified; the production build artifacts were verified by the successful build run.

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Codex Task

[wsxiaolin]

@codex

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. 👍

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