feat(form): add submission link webhook placeholder

app/actions/submissions.ts

@@ -15,6 +15,12 @@ import {
 } from "@/lib/submission-intake";
 import { submissionWebhookMessage } from "@/lib/submission-webhook";
 
+function getSubmissionResultLink(formId: string, submissionId: string) {
+  const baseUrl = process.env.BASE_URL || process.env.NEXTAUTH_URL;
+  if (!baseUrl) return `/admin/form/${formId}/result/${submissionId}`;
+  return new URL(`/admin/form/${formId}/result/${submissionId}`, baseUrl).toString();
+}
+
 export async function submitForm(
   formId: string,
   answersList: FormAnswerPayload[],
@@ -171,11 +177,13 @@ export async function submitForm(
 
   if (form.discordWebhookUrl) {
     try {
+      const submissionLink = getSubmissionResultLink(formId, result.submissionId);
       const message = submissionWebhookMessage({
         template: templateToUse,
         isUpdate: result.isUpdate,
         userName: session.user.name,
         discordId,
+        submissionLink,
         questions: questionsList,
         answers: normalizedAnswers,
         oldAnswersByQuestionId: result.oldAnswersDict,