Enhance API error handling, add lastError tracking, and implement admin home template

public/templates/standard/admin_home/home.html

@@ -0,0 +1,150 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0">
+    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap" rel="stylesheet">
+    <script type="importmap">
+        {
+            "imports": {
+                "@material/web/": "https://esm.run/@material/web/"
+            }
+        }
+    </script>
+    <script type="module">
+        import '@material/web/all.js';
+        import { styles as typescaleStyles } from '@material/web/typography/md-typescale-styles.js';
+
+        document.adoptedStyleSheets.push(typescaleStyles.styleSheet);
+    </script>
+    <style>
+        :root {
+            --md-sys-color-primary: rgb(58, 58, 255);
+            --active-menu-point-color: rgb(116, 148, 250);
+            --md-sys-color-surface-container: rgb(223, 228, 255);
+        }
+
+        body {
+            margin: 0;
+        }
+
+        .layout {
+            display: flex;
+            height: 100vh;
+            overflow: hidden;
+        }
+
+        .sidebar {
+            flex: 0 0 280px;
+            width: 280px;
+            overflow: hidden;
+            background: var(--md-sys-color-surface-container);
+            border-right: 1px solid var(--md-sys-color-outline-variant);
+            transition: flex-basis .2s ease, width .2s ease;
+            padding: 10px;
+            overflow-y: auto;
+        }
+
+        .sidebar-header {
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            padding: 12px;
+            white-space: nowrap;
+        }
+
+        .sidebar md-list {
+            background: transparent;
+        }
+
+        md-list-item.active {
+            background-color: var(--active-menu-point-color);
+            border-radius: 28px;
+            margin-bottom: 10px;
+        }
+
+        md-list-item {
+            border-radius: 28px;
+            margin-bottom: 10px;
+        }
+
+        .sidebar.collapsed {
+            flex-basis: 58px;
+            width: 58x;
+        }
+
+        .sidebar.collapsed .title,
+        .sidebar.collapsed .label {
+            display: none;
+        }
+
+        .content {
+            flex: 1;
+            padding: 24px;
+            overflow-y: auto;
+        }
+
+        @media (max-width: 720px) {
+            body {
+                overflow-x: hidden;
+            }
+        }
+    </style>
+</head>
+<body>
+    <div class="layout">
+        <aside class="sidebar" id="sidebar">
+            <div class="sidebar-header">
+                <md-icon-button id="toggle" aria-label="Menü ein-/ausklappen">
+                    <md-icon>menu</md-icon>
+                </md-icon-button>
+                <span class="title">Dashboard</span>
+            </div>
+
+            <md-list>
+                <md-list-item type="link" href="/admin/" class="active">
+                    <md-icon slot="start">dashboard</md-icon>
+                    <span class="label">Overview</span>
+                </md-list-item>
+                <md-list-item type="link" href="/admin/settings.php">
+                    <md-icon slot="start">settings</md-icon>
+                    <span class="label">Settings</span>
+                </md-list-item>
+            </md-list>
+        </aside>
+
+        <main class="content">
+            <h1>Dashboard</h1>
+        </main>
+    </div>
+
+    <script type="module">
+        const sidebar = document.getElementById('sidebar');
+        const items = sidebar.querySelectorAll('md-list-item');
+
+        const mq = window.matchMedia('(max-width: 720px)');
+
+        const applyBreakpoint = () => {
+            sidebar.classList.toggle('collapsed', mq.matches);
+        };
+
+        applyBreakpoint();
+        mq.addEventListener('change', applyBreakpoint);
+
+        document.getElementById('toggle').addEventListener('click', () => {
+            sidebar.classList.toggle('collapsed');
+        });
+
+        items.forEach(item => {
+            item.addEventListener('click', () => {
+                items.forEach(i => i.classList.remove('active'));
+                item.classList.add('active');
+            });
+        });
+    </script>
+</body>
+
+</html>

public/templates/standard/template.json

@@ -7,22 +7,32 @@
             "error.css"
         ]
     },
+
     "setup":{
         "name":"setup",
         "dir_name":"setup",
         "html_file":"setup.html",
         "css_files":[]
     },
+
     "entrys_frontend":{
         "name":"entrys_frontend",
         "dir_name":"entrys_frontend",
         "html_file":"entrys_frontend.html",
         "css_files":[]
     },
+
     "login":{
         "name":"login",
         "dir_name":"login",
         "html_file":"login.html",
         "css_files":[]
+    },
+
+    "admin_home":{
+        "name":"admin_home",
+        "dir_name":"admin_home",
+        "html_file":"home.html",
+        "css_files":[]
     }
 }