feat(pos): PWA con Service Worker + sync offline

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- Add manifest.json, sw.js with cache-first/network-first strategies
- Add sync-engine.js with IndexedDB queue for offline operations
- Add /pos/api/sync/inventory endpoint for offline inventory cache
- Add /pos/sw.js route for proper SW scope registration
- Generate PWA icons (192x192, 512x512)
- Update all 10 HTML templates with manifest link, theme-color meta,
  SW registration, and sync-engine script

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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consultoria-as

2026-04-02 07:18:01 +00:00

parent 6628f2deef

commit 32581739ad

14 changed files with 391 additions and 0 deletions

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