Seed admin acccount and generalize login/auth routes

apps/portal/src/routes/login/+page.svelte

@@ -2,6 +2,7 @@
     import "../app.css";
     import { goto } from "$app/navigation";
     import { api } from "$lib/api";
+    import { env } from "$env/dynamic/public";
 
     let error = $state("");
     let loading = $state(false);
@@ -14,7 +15,10 @@
 
         loading = true;
         try {
-            const { status } = await api.auth.admin.login.post({ password });
+            const { status } = await api.auth.login.post({
+                email: env.PUBLIC_ADMIN_EMAIL ?? "",
+                password,
+            });
 
             if (status === 401) {
                 error = "Invalid password";