feat(auth): referrer code at signup and agent code in profile

Optional referrer agent code in registration with field validation UX. Show read-only agent referral code in profile edit and desktop overview.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/services/authService.ts

@@ -10,6 +10,7 @@ type PendingOtp = {
   isRegister: boolean
   firstName?: string
   lastName?: string
+  referrerAgentCode?: string
 }
 
 let memoryPending: PendingOtp | null = null
@@ -50,7 +51,12 @@ function setPendingOtp(value: PendingOtp | null) {
 
 export async function sendOtp(
   phone: string,
-  options: { firstName?: string; lastName?: string; isRegister: boolean },
+  options: {
+    firstName?: string
+    lastName?: string
+    isRegister: boolean
+    referrerAgentCode?: string
+  },
 ): Promise<{ success: boolean; message: string }> {
   const normalized = normalizePhone(phone)
   if (!/^09\d{9}$/.test(normalized)) {
@@ -62,11 +68,13 @@ export async function sendOtp(
   }
 
   try {
+    const referrerAgentCode = options.referrerAgentCode?.trim() || undefined
     setPendingOtp({
       phone: normalized,
       isRegister: options.isRegister,
       firstName: options.firstName,
       lastName: options.lastName,
+      referrerAgentCode,
     })
     const res = await apiRequest<{ success: boolean; message: string; debugCode?: string }>(
       '/auth/otp/request',
@@ -78,6 +86,7 @@ export async function sendOtp(
           firstName: options.firstName,
           lastName: options.lastName,
           isRegister: options.isRegister,
+          referrerAgentCode,
         },
       },
     )