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fix(ai-grok): remove Record<string,unknown> index sig from GrokTextProviderOptions #835

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fix(ai-grok): remove Record<string,unknown> index sig from GrokTextProviderOptions #835

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5 changes: 5 additions & 0 deletions .changeset/fix-grok-provider-options-index-sig.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@tanstack/ai-grok": patch
---

Remove `Record<string, unknown>` index signature from `GrokTextProviderOptions` so that `grokSummarize` adapters are assignable to `SummarizeAdapter<string, object>`. Under `strictFunctionTypes`, the index signature caused `object` to be un-assignable to `GrokTextProviderOptions` (contravariant parameter check), making `grokSummarize('grok-4.3')` a type error at every `summarize()` call site. All fields on `GrokTextProviderOptions` are explicitly typed optional members, so the index signature was unnecessary.
3 changes: 1 addition & 2 deletions packages/ai-grok/src/text/text-provider-options.ts
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Expand Up @@ -32,8 +32,7 @@ export interface GrokBaseOptions {
* Grok-specific provider options for text/chat
* Based on xAI Responses API options
*/
export interface GrokTextProviderOptions
extends GrokBaseOptions, Record<string, unknown> {
export interface GrokTextProviderOptions extends GrokBaseOptions {
/**
* Temperature for response generation (0-2)
* Higher values make output more random, lower values more focused
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