Anand 4ae41a6f1d Add public docs/demo site, fix logout getting stuck on loading ...

- docs/: GitHub Pages site (landing page, docs, live click-through demo)
  served straight from /docs, no build step.
- web-demo/: source for the demo (a copy of web/ with its API layer mocked
  in-memory) — see web-demo/README.md to rebuild docs/demo after a change.
- web/src/lib/auth.tsx: signOut() no longer clears the whole query cache;
  wiping ["auth","setup-status"] forced it to refetch and re-armed
  `loading`, stranding the user on a loading/failed screen instead of the
  Login page. Only non-auth queries are dropped now.
- .gitignore: exclude web-demo/node_modules and web-demo/dist (build output,
  already published as docs/demo).
- Drop PRODUCT.md (internal planning brief, not meant for the public repo).
- README: link the new docs/demo site.

2026-09-12 15:22:55 +05:30

..

assets

Add public docs/demo site, fix logout getting stuck on loading

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demo

Add public docs/demo site, fix logout getting stuck on loading

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guide

Add public docs/demo site, fix logout getting stuck on loading

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screenshots

Refresh screenshots against a richer, multi-connection fleet

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404.html

Add public docs/demo site, fix logout getting stuck on loading

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index.html

Add public docs/demo site, fix logout getting stuck on loading

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