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daemon: Harden request cancellation and transport ownership #225

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ebf5eb8
daemon: Extract scripted transport test fixtures
Aug 30, 2026
775f07f
daemon: Share credential lifecycle across transports
Aug 30, 2026
0cf344c
docs: Describe shared transport lifecycle handling
Sep 5, 2026
9655d8d
daemon: Wake credential streams when requests are cancelled
Aug 30, 2026
214a719
daemon: Bind terminal events to their originating request
Aug 30, 2026
c04af6b
daemon: Carry one lifecycle snapshot across transports
Aug 30, 2026
d785725
daemon: Test simultaneous terminal cancellation
Aug 30, 2026
d3da387
docs: Describe request ownership and prompt cancellation
Sep 5, 2026
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6 changes: 6 additions & 0 deletions ARCHITECTURE.md
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,12 @@ The `CredentialService` mostly just forwards events over to the UI service, minu
any details that are not necessary for the UI to know (like the response
channels mentioned above, which cannot be serialized over D-Bus anyway).

USB, hybrid, and NFC handler events pass through shared request lifecycle
handling, while each transport keeps its own public states. All selected
transports share one snapshot of their originating request. Terminal events
are scoped to that request, so stale streams cannot complete a newer request.
Cancellation wakes pending streams.

Actual interaction I/O is performed using the [libwebauthn][libwebauthn] library.

[libwebauthn]: https://github.com/linux-credentials/libwebauthn
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -2,6 +2,8 @@

## Improvements

- daemon: Wake pending credential streams when their request is cancelled.
- daemon: Ignore stale authenticator results from completed requests.
- ui: Remove process ID from credential prompt.

# 0.3.0 [2026-08-27]
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