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fix: apply default model on fresh page load when models load after init

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initNewChat() runs on mount via page.subscribe, but $models is loaded
asynchronously and the Chat component mounts before that fetch resolves.
When initNewChat() runs against an empty $models list, none of its
precedence branches (URL/folder/session/settings/default) match and
selectedModels is left as ['']. Nothing re-applies the default afterwards,
so the configured default model (DEFAULT_MODELS / admin Models defaults) is
never selected on a fresh full-page load — only via in-app New Chat once
models have loaded.

Add a guarded reactive statement that re-applies the default selection once
models arrive, for a brand-new chat that still has no valid model selected.
It reuses the same availableModels/defaultModels precedence as initNewChat
and only fires when the selection is empty and there is no URL model param,
so it never overrides a manual pick, a loaded chat, or a folder selection.
This commit is contained in:
Nathanaël HANNEBERT 2026-07-02 11:57:42 +02:00
parent 4b55e69640
commit 788a66e0ed
1 changed files with 30 additions and 0 deletions
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30
src/lib/components/chat/Chat.svelte
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@ -888,6 +888,36 @@
savedModelIds();
}
// initNewChat() runs on mount via page.subscribe, but $models is loaded
// asynchronously (getModels() in the app layout) and this component mounts before
// that resolves. So initNewChat() can run while $models is still empty, in which
// case none of its precedence branches match and selectedModels is left as [''].
// Nothing else re-applies the default afterwards, so the default model never gets
// selected on a fresh page load. Re-apply the default once models arrive, for a
// brand-new chat that still has no valid model selected.
$: if (
chatIdProp === '' &&
$models.length > 0 &&
selectedModels.length === 1 &&
selectedModels[0] === '' &&
!$page.url.searchParams.get('models') &&
!$page.url.searchParams.get('model')
) {
const availableModels = $models
.filter((m) => !(m?.info?.meta?.hidden ?? false))
.map((m) => m.id);
const defaultModels = $config?.default_models ? $config.default_models.split(',') : [];
let next = ($settings?.models?.length ? $settings.models : defaultModels).filter((id) =>
availableModels.includes(id)
);
if (next.length === 0 && availableModels.length > 0) {
next = [availableModels[0]];
}
if (next.length > 0) {
selectedModels = next;
}
}
const stopAudio = () => {
try {
speechSynthesis.cancel();