Send the invitation as a light letter that names the community, the inviter by email, and who can read the Rule.

lib/server/mail.ts

@@ -6,6 +6,10 @@ import {
   type WorkshopInquiryMailInput,
 } from "../workshopSignupMail";
 import { getSmtpUrl } from "./env";
+import {
+  buildRuleStakeholderInviteMail,
+  type RuleStakeholderInviteMailInput,
+} from "./ruleStakeholderInviteMail";
 
 function escapeHtml(value: string): string {
   return value
@@ -93,24 +97,18 @@ export async function sendMagicLinkEmail(
   });
 }
 
-/** Stakeholder invite after rule publish (one-time link, same dev/Mailhog pattern as magic link). */
+/** Stakeholder invite after finishing a Rule (one-time link, same Mailhog pattern as magic link). */
 export async function sendRuleStakeholderInviteEmail(
-  to: string,
-  verifyUrl: string,
-  ruleTitle: string,
+  input: RuleStakeholderInviteMailInput,
 ): Promise<void> {
-  const { text, html } = buildVerifyLinkParts(
-    verifyUrl,
-    `You've been invited to view "${ruleTitle}" on Community Rule.\n\nOpen this link to create your account (or sign in) and open the rule. The link expires in 60 minutes and works once:`,
-    "If you did not expect this, you can ignore this email.",
-    "Open the rule",
-  );
+  const { subject, text, html } = buildRuleStakeholderInviteMail(input);
   await sendHtmlMail({
-    to,
-    subject: `You're invited to view a Community Rule: ${ruleTitle}`,
+    to: input.to,
+    subject,
     text,
     html,
-    devLog: `[dev] Rule stakeholder invite (${ruleTitle}) for ${to}: ${verifyUrl}`,
+    replyTo: input.inviterEmail.trim().toLowerCase(),
+    devLog: `[dev] Rule stakeholder invite (${input.communityName}) for ${input.to}: ${input.verifyUrl}`,
   });
 }