feat: add artist/workspace name to email footer

lib/emails/__tests__/getEmailFooter.test.ts

@@ -38,4 +38,20 @@ describe("getEmailFooter", () => {
     expect(footer).toContain("font-size:12px");
     expect(footer).toContain("color:#6b7280");
   });
+
+  it("includes artist workspace when artistName is provided", () => {
+    const footer = getEmailFooter("room-id", "Taylor Swift");
+    expect(footer).toContain("From Taylor Swift's workspace");
+  });
+
+  it("excludes artist line when artistName is not provided", () => {
+    const footer = getEmailFooter("room-id");
+    expect(footer).not.toContain("workspace");
+  });
+
+  it("includes artist workspace without roomId", () => {
+    const footer = getEmailFooter(undefined, "Drake");
+    expect(footer).toContain("From Drake's workspace");
+    expect(footer).not.toContain("chat.recoupable.com");
+  });
 });

lib/emails/getEmailFooter.ts

@@ -2,9 +2,17 @@
  * Generates a standardized email footer HTML.
  *
  * @param roomId - Optional room ID for the chat link. If not provided, only the reply note is shown.
+ * @param artistName - Optional artist name to display in the footer.
  * @returns HTML string for the email footer.
  */
-export function getEmailFooter(roomId?: string): string {
+export function getEmailFooter(roomId?: string, artistName?: string): string {
+  const artistLine = artistName
+    ? `
+<p style="font-size:12px;color:#6b7280;margin:0 0 4px;">
+  From ${artistName}'s workspace
+</p>`.trim()
+    : "";
+
   const replyNote = `
 <p style="font-size:12px;color:#6b7280;margin:0 0 4px;">
   Note: you can reply directly to this email to continue the conversation.
@@ -22,6 +30,7 @@ export function getEmailFooter(roomId?: string): string {
 
   return `
 <hr style="margin-top:24px;margin-bottom:16px;border:none;border-top:1px solid #e5e7eb;" />
+${artistLine}
 ${replyNote}
 ${chatLink}`.trim();
 }

lib/emails/inbound/generateEmailResponse.ts

@@ -3,6 +3,7 @@ import { ChatRequestBody } from "@/lib/chat/validateChatRequest";
 import getGeneralAgent from "@/lib/agents/generalAgent/getGeneralAgent";
 import { getEmailRoomMessages } from "@/lib/emails/inbound/getEmailRoomMessages";
 import { getEmailFooter } from "@/lib/emails/getEmailFooter";
+import { selectRoomWithArtist } from "@/lib/supabase/rooms/selectRoomWithArtist";
 
 /**
  * Generates the assistant response HTML for an email, including:
@@ -29,8 +30,9 @@ export async function generateEmailResponse(
   const chatResponse = await agent.generate({ messages });
   const text = chatResponse.text;
 
+  const roomData = await selectRoomWithArtist(roomId);
   const bodyHtml = marked(text);
-  const footerHtml = getEmailFooter(roomId);
+  const footerHtml = getEmailFooter(roomId, roomData?.artist_name || undefined);
   const html = `${bodyHtml}\n\n${footerHtml}`;
 
   return { text, html };

lib/mcp/tools/__tests__/registerSendEmailTool.test.ts

@@ -4,11 +4,16 @@ import { registerSendEmailTool } from "../registerSendEmailTool";
 import { NextResponse } from "next/server";
 
 const mockSendEmailWithResend = vi.fn();
+const mockSelectRoomWithArtist = vi.fn();
 
 vi.mock("@/lib/emails/sendEmail", () => ({
   sendEmailWithResend: (...args: unknown[]) => mockSendEmailWithResend(...args),
 }));
 
+vi.mock("@/lib/supabase/rooms/selectRoomWithArtist", () => ({
+  selectRoomWithArtist: (...args: unknown[]) => mockSelectRoomWithArtist(...args),
+}));
+
 describe("registerSendEmailTool", () => {
   let mockServer: McpServer;
   let registeredHandler: (args: unknown) => Promise<unknown>;

lib/mcp/tools/registerSendEmailTool.ts

@@ -5,6 +5,7 @@ import { getToolResultSuccess } from "@/lib/mcp/getToolResultSuccess";
 import { getToolResultError } from "@/lib/mcp/getToolResultError";
 import { RECOUP_FROM_EMAIL } from "@/lib/const";
 import { getEmailFooter } from "@/lib/emails/getEmailFooter";
+import { selectRoomWithArtist } from "@/lib/supabase/rooms/selectRoomWithArtist";
 import { NextResponse } from "next/server";
 import { marked } from "marked";
 
@@ -24,7 +25,8 @@ export function registerSendEmailTool(server: McpServer): void {
     async (args: SendEmailInput) => {
       const { to, cc = [], subject, text, html = "", headers = {}, room_id } = args;
 
-      const footer = getEmailFooter(room_id);
+      const roomData = room_id ? await selectRoomWithArtist(room_id) : null;
+      const footer = getEmailFooter(room_id, roomData?.artist_name || undefined);
       const bodyHtml = html || (text ? marked(text) : "");
       const htmlWithFooter = `${bodyHtml}\n\n${footer}`;
 

lib/supabase/rooms/selectRoomWithArtist.ts

@@ -0,0 +1,31 @@
+import supabase from "../serverClient";
+
+type RoomWithArtist = {
+  id: string;
+  artist_id: string | null;
+  artist_name: string | null;
+};
+
+/**
+ * Select a room with its associated artist name from accounts table.
+ *
+ * @param roomId - The room ID to query.
+ * @returns The room data with artist name, or null if not found.
+ */
+export async function selectRoomWithArtist(roomId: string): Promise<RoomWithArtist | null> {
+  const { data, error } = await supabase
+    .from("rooms")
+    .select("id, artist_id, accounts!rooms_artist_id_fkey(name)")
+    .eq("id", roomId)
+    .single();
+
+  if (error || !data) return null;
+
+  const account = Array.isArray(data.accounts) ? data.accounts[0] : data.accounts;
+
+  return {
+    id: data.id,
+    artist_id: data.artist_id,
+    artist_name: account?.name || null,
+  };
+}