Remove unused templates for newsletter creation, settings, and submissions; update unsubscribe confirmation link; add tests for email templates API.

templates/admin/admin_dashboard.html

@@ -0,0 +1,68 @@
+{% extends "_base.html" %} {% block title %}Admin Dashboard{% endblock %} {%
+block heading %}Admin Dashboard{% endblock %} {% block extra_styles %}
+<link rel="stylesheet" href="/static/css/admin.css" /> {% endblock %} {% block
+content %}
+<div id="message"></div>
+<div class="stats">
+  <div class="stat-card">
+    <h3 id="contact-count">--</h3>
+    <p>Contact Submissions</p>
+  </div>
+  <div class="stat-card">
+    <h3 id="newsletter-count">--</h3>
+    <p>Newsletter Subscribers</p>
+  </div>
+  <div class="stat-card">
+    <h3 id="settings-count">--</h3>
+    <p>App Settings</p>
+  </div>
+</div>
+
+<div class="dashboard-grid">
+  <div class="dashboard-card">
+    <h2>Contact Form Submissions</h2>
+    <p>View and manage contact form submissions from your website visitors.</p>
+    <a href="/admin/submissions">Manage Submissions</a>
+  </div>
+
+  <div class="dashboard-card">
+    <h2>Newsletter Subscribers</h2>
+    <p>
+      Manage newsletter subscriptions and send newsletters to your subscribers.
+    </p>
+    <a href="/admin/newsletter">Manage Subscribers</a>
+  </div>
+
+  <div class="dashboard-card">
+    <h2>Application Settings</h2>
+    <p>Configure application settings and environment variables.</p>
+    <a href="/admin/settings">Manage Settings</a>
+  </div>
+
+  <div class="dashboard-card">
+    <h2>Create Newsletter</h2>
+    <p>Create and send newsletters to your subscribers.</p>
+    <a href="/admin/newsletter/create">Create Newsletter</a>
+  </div>
+
+  <div class="dashboard-card">
+    <h2>Embeddable Forms</h2>
+    <p>
+      Instructions for embedding contact and newsletter forms on other websites.
+    </p>
+    <a href="/admin/embeds">View Embed Codes</a>
+  </div>
+</div>
+
+<div class="logout">
+  <a href="/auth/logout">Logout</a>
+</div>
+{% endblock %}{% block extra_scripts %}
+<script src="/static/js/admin.js"></script>
+<script>
+  // Load stats when page loads
+  if (typeof window.admin.loadDashboardStats === "function") {
+    window.admin.loadDashboardStats();
+  }
+</script>
+{% endblock %}