Improve Haiku check for native tool calling

Author: chrarnoldus

packages/types/src/kilocode/native-function-calling.ts

@@ -21,7 +21,7 @@ export const nativeFunctionCallingProviders = [
 	"human-relay",
 ] satisfies ProviderName[] as ProviderName[]
 
-const modelsDefaultingToNativeFunctionCalls = ["anthropic/claude-haiku-4.5"]
+const modelsDefaultingToJsonKeywords = ["claude-haiku-4.5", "claude-haiku-4-5"]
 
 export function getActiveToolUseStyle(settings: ProviderSettings | undefined): ToolUseStyle {
 	if (
@@ -33,8 +33,8 @@ export function getActiveToolUseStyle(settings: ProviderSettings | undefined): T
 	if (settings.toolStyle) {
 		return settings.toolStyle
 	}
-	const model = getModelId(settings)
-	if (model && modelsDefaultingToNativeFunctionCalls.includes(model)) {
+	const model = getModelId(settings)?.toLowerCase()
+	if (model && modelsDefaultingToJsonKeywords.some((keyword) => model.includes(keyword))) {
 		return "json"
 	}
 	return "xml"

packages/types/src/single-file-read-models.ts

@@ -10,5 +10,5 @@
  * @returns true if the model should use single file reads
  */
 export function shouldUseSingleFileRead(modelId: string): boolean {
-	return modelId.includes("claude-haiku-4.5") // kilocode_change
+	return modelId.includes("claude-haiku-4.5") || modelId.includes("claude-haiku-4-5") // kilocode_change
 }