fix: update Opus 4.1 max tokens from 8K to 32K

Aligns claude-opus-4-1-20250805 max token limit with claude-opus-4-20250514,
both models now supporting 32K output tokens (overridable to 8K when
enableReasoningEffort is false).

Fixes #9045

Author: roomote

packages/types/src/providers/anthropic.ts

@@ -49,7 +49,7 @@ export const anthropicModels = {
 		],
 	},
 	"claude-opus-4-1-20250805": {
-		maxTokens: 8192,
+		maxTokens: 32_000, // Overridden to 8k if `enableReasoningEffort` is false.
 		contextWindow: 200_000,
 		supportsImages: true,
 		supportsPromptCache: true,