fix: improve dev mode for flows

frontend/src/lib/components/Dev.svelte

@@ -311,7 +311,7 @@
 		}
 	}
 
-	let mode: 'script' | 'flow' = 'flow' //'script'
+	let mode: 'script' | 'flow' = 'script'
 
 	const flowStore = writable({
 		summary: '',
@@ -375,10 +375,10 @@
 		initialPath: ''
 	})
 
-	$: updateCode($flowStore)
+	$: updateFlow($flowStore)
 
 	let lastSent: OpenFlow | undefined = undefined
-	function updateCode(flow: OpenFlow) {
+	function updateFlow(flow: OpenFlow) {
 		if (lockChanges) {
 			return
 		}

frontend/src/lib/components/ModulePreview.svelte

@@ -23,8 +23,9 @@
 	export let schema: Schema
 	export let pickableProperties: PickableProperties | undefined
 	export let lang: Script.language
-	export let editor: Editor
-	export let diffEditor: DiffEditor
+	export let editor: Editor | undefined
+	export let diffEditor: DiffEditor | undefined
+	export let noEditor = false
 
 	const { flowStore, flowStateStore, testStepStore, pathStore } =
 		getContext<FlowEditorContext>('FlowEditorContext')
@@ -35,7 +36,7 @@
 	let testJob: Job | undefined = undefined
 
 	let stepArgs: Record<string, any> | undefined = Object.fromEntries(
-		Object.keys(schema.properties).map((k) => [
+		Object.keys(schema.properties ?? {}).map((k) => [
 			k,
 			evalValue(k, mod, $testStepStore, pickableProperties, false)
 		])
@@ -89,6 +90,7 @@
 </script>
 
 <TestJobLoader
+	toastError={noEditor}
 	on:done={() => jobDone()}
 	bind:this={testJobLoader}
 	bind:isLoading={testIsLoading}

frontend/src/lib/components/TestJobLoader.svelte

@@ -5,12 +5,14 @@
 	import type { Preview } from '$lib/gen/models/Preview'
 	import { createEventDispatcher } from 'svelte'
 	import type { SupportedLanguage } from '$lib/common'
+	import { sendUserToast } from '$lib/toast'
 
 	export let isLoading = false
 	export let job: Job | undefined = undefined
 	export let workspaceOverride: string | undefined = undefined
 	export let notfound = false
 	export let jobUpdateLastFetch: Date | undefined = undefined
+	export let toastError = false
 
 	const dispatch = createEventDispatcher()
 
@@ -48,6 +50,9 @@
 			}
 			return testId
 		} catch (err) {
+			if (toastError) {
+				sendUserToast(err.body, true)
+			}
 			// if error happens on submitting the job, reset UI state so the user can try again
 			isLoading = false
 			currentId = undefined

frontend/src/lib/components/flows/content/FlowModuleComponent.svelte

@@ -346,6 +346,7 @@
 									mod={flowModule}
 									{editor}
 									{diffEditor}
+									{noEditor}
 									lang={flowModule.value['language'] ?? 'deno'}
 									schema={$flowStateStore[$selectedId]?.schema ?? {}}
 								/>