fix: Fix error handler token injection (#2598)

* fix: Fix error handler token injection

* Add frontend

frontend/src/lib/components/ErrorOrRecoveryHandler.svelte

@@ -218,7 +218,8 @@
 	<span class="w-full flex mb-3">
 		<Toggle
 			disabled={!$enterpriseLicense || !isEditable}
-			checked={handlerPath === slackHandlerScriptPath}
+			checked={handlerPath?.startsWith('hub/') &&
+				handlerPath?.endsWith('/workspace-or-schedule-error-handler-slack')}
 			options={{ right: slackToggleText }}
 			on:change={async (e) => {
 				handlerPath = e.detail ? slackHandlerScriptPath : undefined
@@ -238,7 +239,7 @@
 			class="text-xs"
 		/>
 	{/if}
-	{#if handlerPath === slackHandlerScriptPath && enterpriseLicense}
+	{#if enterpriseLicense && handlerPath?.startsWith('hub/') && handlerPath?.endsWith('/workspace-or-schedule-error-handler-slack')}
 		{#if !workspaceConnectedToSlack}
 			<Alert type="error" title="Workspace not connected to Slack">
 				<div class="flex flex-row gap-x-1 w-full items-center">

frontend/src/lib/components/ScheduleEditorInner.svelte

@@ -92,7 +92,10 @@
 			errorHandlerPath = splitted.slice(1)?.join('/')
 			errorHandlerExtraArgs = defaultErrorHandlerMaybe['errorHandlerExtraArgs']
 			errorHandlerCustomInitialPath = errorHandlerPath
-			if (errorHandlerPath === slackErrorHandler) {
+			if (
+				errorHandlerPath.startsWith('hub/') &&
+				errorHandlerPath.endsWith('/workspace-or-schedule-error-handler-slack')
+			) {
 				errorHandlerSelected = 'slack'
 			} else {
 				errorHandlerSelected = 'custom'
@@ -229,7 +232,12 @@
 				failedTimes = s.on_failure_times ?? 1
 				failedExact = s.on_failure_exact ?? false
 				errorHandlerExtraArgs = s.on_failure_extra_args ?? {}
-				if (errorHandlerPath !== slackErrorHandler) {
+				if (
+					errorHandlerPath.startsWith('hub/') &&
+					errorHandlerPath.endsWith('/workspace-or-schedule-error-handler-slack')
+				) {
+					errorHandlerSelected = 'slack'
+				} else {
 					errorHandlerSelected = 'custom'
 				}
 			} else {

frontend/src/routes/(root)/(logged)/workspace_settings/+page.svelte

@@ -172,7 +172,9 @@
 			errorHandlerSelected = 'custom'
 		} else {
 			errorHandlerSelected =
-				emptyString(errorHandlerScriptPath) || errorHandlerScriptPath === slackErrorHandler
+				emptyString(errorHandlerScriptPath) ||
+				(errorHandlerScriptPath.startsWith('hub/') &&
+					errorHandlerScriptPath.endsWith('/workspace-or-schedule-error-handler-slack'))
 					? 'slack'
 					: 'custom'
 		}