feat: add In-Reply-To option (#165)

apps/web/src/server/public-api/api/emails/send-email.ts

@@ -1,6 +1,5 @@
 import { createRoute, z } from "@hono/zod-openapi";
 import { PublicAPIApp } from "~/server/public-api/hono";
-import { getTeamFromToken } from "~/server/public-api/auth";
 import { sendEmail } from "~/server/service/email-service";
 import { emailSchema } from "../../schemas/email-schema";
 

apps/web/src/server/public-api/hono.ts

@@ -70,7 +70,6 @@ export function getApp() {
 
     let currentRequests: number;
     let ttl: number;
-    let isNewKey = false;
 
     try {
       // Increment the key. If the key does not exist, it is created and set to 1.

apps/web/src/server/public-api/schemas/email-schema.ts

@@ -29,6 +29,7 @@ export const emailSchema = z
       .max(10) // Limit attachments array size if desired
       .optional(),
     scheduledAt: z.string().datetime({ offset: true }).optional(), // Ensure ISO 8601 format with offset
+    inReplyToId: z.string().optional().nullable(),
   })
   .refine(
     (data) => !!data.subject || !!data.templateId,