🤖 Fix TypeScript types for truncation parameter

Extended OpenAIResponsesProviderOptions type to include the truncation
parameter since the SDK types don't yet include it, but it's supported
by the OpenAI Responses API.

_Generated with `cmux`_

Author: ammario

src/utils/ai/providerOptions.ts

@@ -11,12 +11,20 @@ import { ANTHROPIC_THINKING_BUDGETS, OPENAI_REASONING_EFFORT } from "@/types/thi
 import { log } from "@/services/log";
 import type { CmuxMessage } from "@/types/message";
 
+/**
+ * Extended OpenAI Responses provider options to include truncation
+ * The SDK types don't yet include this parameter, but it's supported by the API
+ */
+type ExtendedOpenAIResponsesProviderOptions = OpenAIResponsesProviderOptions & {
+  truncation?: "auto" | "disabled";
+};
+
 /**
  * Provider-specific options structure for AI SDK
  */
 type ProviderOptions =
   | { anthropic: AnthropicProviderOptions }
-  | { openai: OpenAIResponsesProviderOptions }
+  | { openai: ExtendedOpenAIResponsesProviderOptions }
   | Record<string, never>; // Empty object for unsupported providers
 
 /**