fix: multiselect + jsoneditor nits

frontend/src/lib/components/ArgInput.svelte

@@ -284,7 +284,7 @@
 	function checkArrayValueType() {
 		try {
 			if (Array.isArray(value) && value.length > 0) {
-				const firstItem = value?.[0]
+				let firstItem = value?.[0]
 				const type = itemsType?.type
 
 				switch (type) {
@@ -499,6 +499,7 @@
 	$effect.pre(() => {
 		!isListJson &&
 			inputCat === 'list' &&
+			enum_ == undefined &&
 			value != lastValue &&
 			itemsType?.type &&
 			!hasIsListJsonChanged &&

frontend/src/lib/components/ArrayTypeNarrowing.svelte

@@ -80,7 +80,7 @@
 				}
 			}
 			items={[
-				{ value: 'string', label: 'Items are strings' },
+				{ value: 'string', label: "Items are strings or objects with a 'label/value' field" },
 				{ value: 'enum', label: 'Items are strings from an enum' },
 				...(originalType != 'string[]'
 					? [

frontend/src/lib/components/JsonEditor.svelte

@@ -4,7 +4,7 @@
 	import '@codingame/monaco-vscode-standalone-json-language-features'
 
 	import SimpleEditor from '$lib/components/SimpleEditor.svelte'
-	import { createEventDispatcher } from 'svelte'
+	import { createEventDispatcher, untrack } from 'svelte'
 	import { createDispatcherIfMounted } from '$lib/createDispatcherIfMounted'
 	import Button from './common/button/Button.svelte'
 	import { twMerge } from 'tailwind-merge'
@@ -55,8 +55,8 @@
 			error = e.message
 		}
 	}
-	run(() => {
-		code != undefined && parseJson()
+	$effect(() => {
+		code != undefined && untrack(() => parseJson())
 	})
 </script>
 

frontend/src/lib/components/select/utils.svelte.ts

@@ -59,6 +59,7 @@ export function safeSelectItems<T>(
 	list: (T | { value: T; label?: string } | undefined | null)[] | undefined | null
 ): { value: T; label?: string }[] {
 	if (!list) return []
+	if (!Array.isArray(list)) return []
 	return list
 		.filter((item) => item !== undefined && item !== null)
 		.map((item) => {