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warp-engine-client/RELEASE_NOTES.md
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mr.zeroandClaude Opus 5 26c7aa9be1
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A catalog that can say a title is not yours
A store with paid titles had nothing to tell this client and no way for it to
listen: the catalog carried no price, no entitlement and no sign-in, so a gated
download could only come back 403 and leave the window guessing why.

The knowledge belongs on the server, not here. This client serves whichever
catalog a registry names, so anything it knew about a particular shop would be
a rule that breaks every other one. WarpEngine 0.5 answers GET /api/service with
what it offers and puts an `access` block on every entry; this reads both. There
is no store name anywhere in the diff.

- **0.5 is a dialect of its own**, the older shape with `access` added. The
  version list is exhaustive over the selector, so adding it was a compile error
  until somebody said what it reads like — which is what that switch is for.
- **A card shows a price and a Buy button** when a title is not yours, opening
  the store's own page. Buying stays in a browser: a checkout rebuilt here would
  be a second place to get card handling wrong.
- **Signing in is the device grant**: a short code, the person's own browser, and
  no password crossing this window. The token goes in the OS keychain through
  safeStorage — one per store — and where no keychain exists it is not stored at
  all rather than written out in the clear.
- **Owned / To buy** join the categories, since owning something is not the same
  as having installed it.

Three things worth stating about the shape:

The bearer token stops at the origin that issued it. A gated download redirects
to signed storage — often somebody else's host — and some object stores refuse a
request outright when an Authorization header arrives alongside the signature.

An absent access block is not "free". It is an engine too old to have an
opinion, and only one of those two is a reason to offer somebody a sign-in, so
the three states are kept apart all the way to the card.

state.json does not carry entitlement. Whether somebody may download a title is
the server's answer to a question asked now; a copy on disk would go stale on the
next purchase or refund, and a stale yes is the dangerous direction.

A store with no sign-in shows none, and every WarpEngine before 0.5 is such a
store: no Account block, no prices, no new categories. The smoke test against the
live catalog reports exactly that — `sign-in: not offered`, `access: open:13`.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-19 11:03:54 +02:00

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# WarpEngine Client 2.4.0
**The catalog can now say a title is not yours, and the client can do something about
it.** Where a store sells things, a card shows the **price** and a **Buy** button that
opens the store's own page; where you own it, an **Install** as before. Two new
categories go with it — **Owned** and **To buy** — because owning something is not the
same as having installed it.
**Signing in, without a password ever reaching this window.** The side menu grows an
**Account** block, and signing in shows a short code: your browser opens on the store's
own page and you type it there. That detour is the point — a desktop application asking
for a password is a desktop application people should not be giving one to. The token
lives in the OS keychain (Keychain, libsecret, DPAPI), one per store, and *Sign out*
revokes it at the server as well as forgetting it here.
**None of this is knowledge about any particular store.** It all arrives from the
catalog's own server: WarpEngine 0.5 answers `GET /api/service` with what it offers, and
puts an `access` block on every entry. A client that carried those facts would work for
exactly one shop — this one asks, which is why the same build serves any of them.
**A store with no sign-in shows none.** Every WarpEngine before 0.5 has no descriptor at
all, and a 0.5 store that sells nothing reports none either. Both read as "a plain
catalog", which is what this client assumed for its whole life until now, and the window
behaves accordingly: no Account block, no prices, no new categories.
**A title nobody has bought is not dimmed.** The dimming and the dashed badge belong to
what this *machine* cannot do — an unsupported platform, no build for this architecture
— and there is nothing wrong with the machine when a title simply costs money.
**A bearer token is never sent to a host that did not issue it.** A gated download
answers with a redirect to signed storage, often somebody else's server, and some object
stores refuse a request outright when an `Authorization` header rides along with the
signature. The credential stops at the origin it belongs to; a redirect back to the
catalog keeps it.