Add In-Reply-To to Email Workflow Node (#18641)

Co-authored-by: github-actions <github-actions@twenty.com>
Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/engine/core-modules/tool/tools/email-tool/draft-email-tool.ts

@@ -89,6 +89,7 @@ export class DraftEmailTool implements Tool {
         body: data.plainTextBody,
         html: data.sanitizedHtmlBody,
         attachments: data.attachments,
+        inReplyTo: data.inReplyTo,
       },
       data.connectedAccount,
     );

packages/twenty-server/src/engine/core-modules/tool/tools/email-tool/email-composer.service.ts

@@ -214,7 +214,7 @@ export class EmailComposerService {
     context: ToolExecutionContext,
   ): Promise<EmailComposerResult> {
     const { workspaceId } = context;
-    const { subject, body, files } = parameters;
+    const { subject, body, files, inReplyTo } = parameters;
     let { connectedAccountId } = parameters;
 
     let recipients: { to: string[]; cc: string[]; bcc: string[] };
@@ -309,6 +309,7 @@ export class EmailComposerService {
         sanitizedHtmlBody,
         attachments,
         connectedAccount: connectedAccountWithFreshTokens,
+        inReplyTo,
       },
     };
   }

packages/twenty-server/src/engine/core-modules/tool/tools/email-tool/email-tool.schema.ts

@@ -37,4 +37,10 @@ export const EmailToolInputZodSchema = z.object({
     .describe('Array of file objects to attach to the email')
     .optional()
     .default([]),
+  inReplyTo: z
+    .string()
+    .describe(
+      'The RFC 2822 Message-ID of an existing email to reply to. When provided, the email is sent as a reply in the same thread.',
+    )
+    .optional(),
 });

packages/twenty-server/src/engine/core-modules/tool/tools/email-tool/send-email-tool.ts

@@ -88,6 +88,7 @@ export class SendEmailTool implements Tool {
         body: data.plainTextBody,
         html: data.sanitizedHtmlBody,
         attachments: data.attachments,
+        inReplyTo: data.inReplyTo,
       },
       data.connectedAccount,
     );

packages/twenty-server/src/engine/core-modules/tool/tools/email-tool/types/composed-email.type.ts

@@ -9,4 +9,5 @@ export type ComposedEmail = {
   sanitizedHtmlBody: string;
   attachments: MessageAttachment[];
   connectedAccount: ConnectedAccountWorkspaceEntity;
+  inReplyTo?: string;
 };