@@ -124,7 +124,7 @@ func GenerateWithTool(
 		ProviderOptions:  call.ProviderOptions,
 	})
 	if err != nil {
-		return nil, fmt.Errorf("tool-based generation failed: %w", err)
+		return nil, fmt.Errorf("structured output generation failed (tool-call strategy): %w", err)
 	}
 
 	toolCalls := resp.Content.ToolCalls()
Original file line number	Diff line number	Diff line change
`@@ -124,7 +124,7 @@ func GenerateWithTool(`
`124`	`124`	`ProviderOptions: call.ProviderOptions,`
`125`	`125`	`})`
`126`	`126`	`if err != nil {`
`127`		`- return nil, fmt.Errorf("tool-based generation failed: %w", err)`
	`127`	`+ return nil, fmt.Errorf("structured output generation failed (tool-call strategy): %w", err)`
`128`	`128`	`}`
`129`	`129`
`130`	`130`	`toolCalls := resp.Content.ToolCalls()`