--- a/src/lib/Shared.luan	Tue Jul 08 14:18:25 2025 -0600
+++ b/src/lib/Shared.luan	Tue Jul 08 15:55:34 2025 -0600
@@ -1,6 +1,12 @@
 local Luan = require "luan:Luan.luan"
 local error = Luan.error
 local Time = require "luan:Time.luan"
+local Thread = require "luan:Thread.luan"
+local thread_run = Thread.run or error()
+local Mail = require "luan:mail/Mail.luan"
+local User = require "site:/lib/User.luan"
+local current_user = User.current or error()
+local Config = require "site:/private/Config.luan"
 
 
 local Shared = {}
@@ -10,6 +16,7 @@
 function Shared.head()
 %>
 		<meta name="viewport" content="width=device-width, initial-scale=1">
+		<title>Lang</title>
 		<style>
 			@import "/site.css?s=<%=started%>";
 		</style>
@@ -18,10 +25,35 @@
 end
 
 function Shared.header()
+	local user = current_user()
 %>
 		<div header>
+			<span>
+				<a href="/">Lang</a>
+			</span>
+			<span>
+<%	if user == nil then %>
+				<a href="/login.html">Login / Register</a>
+<%	else %>
+				<a href="/account.html"><%= user.email %></a>
+<%	end %>
+			</span>
 		</div>
 <%
 end
 
+local default_from = "Lang <lang@luan.software>"
+local send_mail0 = Mail.sender(Config.mail_server).send
+function Shared.send_mail(mail)
+	mail.From = mail.From or default_from
+	send_mail0(mail)
+end
+
+function Shared.send_mail_async(mail)
+	mail.From = mail.From or default_from
+	thread_run( function()
+		send_mail0(mail)
+	end )
+end
+
 return Shared