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fix/chat-client-abort-signal-race
6398b777 fix(ai-client): bail out when stream is cancelled during onResponse await Capturing the AbortController signal locally avoided the original null deref but exposed a latent deadlock: when stop() runs during the onResponse await, cancelInFlightStream() calls resolveProcessing() before waitForProcessing() has set processingResolve, so the call is a no-op. Post-fix, streamResponse no longer crashed on the now-null controller, reached waitForProcessing() (creating a fresh resolver nothing would resolve), and hung on `await processingComplete` — breaking the ai-react useChat unmount test. Add a `signal.aborted` check after the onResponse await to short-circuit cancelled or superseded streams cleanly, restoring main's pre-fix flow control without relying on a thrown TypeError. Update the two race tests to reflect the correct semantics: cancelled streams must not invoke the connection layer or surface errors. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
by Tom Beckenham
Succeeded
fix/chat-client-abort-signal-race
6398b777 fix(ai-client): bail out when stream is cancelled during onResponse await Capturing the AbortController signal locally avoided the original null deref but exposed a latent deadlock: when stop() runs during the onResponse await, cancelInFlightStream() calls resolveProcessing() before waitForProcessing() has set processingResolve, so the call is a no-op. Post-fix, streamResponse no longer crashed on the now-null controller, reached waitForProcessing() (creating a fresh resolver nothing would resolve), and hung on `await processingComplete` — breaking the ai-react useChat unmount test. Add a `signal.aborted` check after the onResponse await to short-circuit cancelled or superseded streams cleanly, restoring main's pre-fix flow control without relying on a thrown TypeError. Update the two race tests to reflect the correct semantics: cancelled streams must not invoke the connection layer or surface errors. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
by Tom Beckenham
Succeeded
fix/chat-client-abort-signal-race
4c6097b6 test(ai-client): exercise actual reload() race + add asChunk casts Rewrites the second race-condition test to use reload() instead of a queued append() — append() early-returns when isLoading and queues via queuePostStreamAction, so it never reassigns this.abortController mid-flight. reload() calls cancelInFlightStream() synchronously then starts a new streamResponse(), which is the actual code path that triggers the race the fix protects against. Adds asChunk() casts so the new yields satisfy the strict AGUIEvent typing introduced by AG-UI core interop. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
by Tom Beckenham
Failed
fix/chat-client-abort-signal-race
4c6097b6 test(ai-client): exercise actual reload() race + add asChunk casts Rewrites the second race-condition test to use reload() instead of a queued append() — append() early-returns when isLoading and queues via queuePostStreamAction, so it never reassigns this.abortController mid-flight. reload() calls cancelInFlightStream() synchronously then starts a new streamResponse(), which is the actual code path that triggers the race the fix protects against. Adds asChunk() casts so the new yields satisfy the strict AGUIEvent typing introduced by AG-UI core interop. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
by Tom Beckenham
Succeeded
fix/chat-client-abort-signal-race
b1306c37 Added changeset
by Tom Beckenham
Succeeded
fix/chat-client-abort-signal-race
b1306c37 Merge 5ef85e091a6f881539e9a2753d0ce73c1fcf3dfe into b2d3cc131a31c54bd1e5841f958fbe333514e508
by Francisco ...