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orca/src
Brennan Benson 79896cb9a6 fix(native chat): retain transcript while reconnecting (STA-3333) (#12495)
* fix(mobile): keep the cached transcript visible while reconnecting

A manual retry closes the client and opens a fresh one, so the chat session
hook saw a new client under an unchanged identity, dropped its settled read,
and handed out an empty list — the transcript collapsed to a full-screen
spinner until the swapped client's snapshot landed.

Hold the last settled list per identity (captured post-commit) and keep
rendering it while the re-read is in flight. `transcriptLoading` still gates
consumers that decide from an empty transcript, so the launch-draft seed is
unaffected. The held list is keyed by a new `sourceIdentity` (host/workspace)
in addition to agent/session/transcript, so it can never serve another
source's messages.

Refs STA-3333.

* test(mobile): assert the whole reconnect window, not just its first frame

The re-subscribe lands a commit after the first render of the swap, so a
regression that cleared the held list there left frame 0 green and still
blanked the transcript. Verified: clearing the cache in the subscribe
cleanup now fails this test, where before only the view-toggle test caught it.

* fix(mobile): don't derive a tappable ask card from the held transcript

The cache this PR adds keeps the previous list rendered while a swapped
client re-reads. useMobileNativeChatPrompts was the one consumer reading
`messages` without honouring `transcriptLoading`, so an ask answered on
the terminal resurrected as a live, tappable card during that window.

Gating on `transcriptLoading` is exactly base behaviour: `setRead` only
ever stores 'ready'/'error', so status==='loading' implied an empty list
before this PR. The live `askFromStatus` path is untouched.

* chore: keep merge formatting scoped
2026-08-05 18:06:36 -07:00
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