Files
Codeman/test
DevvynandClaude Sonnet 5 73607663fd fix(custom-model): guard the picker's async open against a slower, superseded probe
Code review (high effort) on the previous commit found a real race: making
_openCustomModelPickModal async (it now awaits the currently-loaded-model
probe before rendering) meant a second, faster call for a different
endpoint could render first, only for the first call's slower probe to
resolve afterwards and overwrite the modal with the wrong endpoint's model
list — while _pendingCustomModelPick (set synchronously, before either
await) still named the second, correct endpoint. Picking a model in that
state would launch/apply the wrong model on the wrong endpoint.

Fixed with the same mutable-generation-counter guard
_watchLlamaSwapLoading already uses for an identical async-superseded-by-
newer-call shape: every DOM write, including _pendingCustomModelPick
itself, is deferred until after the awaited probe, and a call that finds
its generation already superseded bails out untouched instead of clobbering
whatever a newer call already rendered.

Added a regression test driving two overlapping opens with a controlled
promise so the earlier, slower probe resolves after the later, faster one
renders, asserting the late response is a no-op.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N6eadpRyqpA9PD3i139cSD
2026-09-20 19:27:07 +08:00
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