WebUI: MD3 projects/proxy pages, sidebar links, CSS animations

- Add projects + proxy nav items to sidebar
- Rewrite projects.html with MD3 cards + tabs + mgmt-cards
- Rewrite proxy.html with MD3 form + mgmt-cards
- CSS: button ripple, card elevation, page fade, tab slide, input glow, nav dot, status pulse, log entry fade, shimmer, scrollbar, badge bounce, card hover mouse-glow (428 lines)

static/web_panel/home.html

@@ -34,6 +34,14 @@
                 <svg viewBox="0 0 24 24"><path d="M20.5 11H19V7c0-1.1-.9-2-2-2h-4V3.5C13 2.12 11.88 1 10.5 1S8 2.12 8 3.5V5H4c-1.1 0-1.99.9-1.99 2v3.8H3.5c1.49 0 2.7 1.21 2.7 2.7s-1.21 2.7-2.7 2.7H2V20c0 1.1.9 2 2 2h3.8v-1.5c0-1.49 1.21-2.7 2.7-2.7 1.49 0 2.7 1.21 2.7 2.7V22H17c1.1 0 2-.9 2-2v-4h1.5c1.38 0 2.5-1.12 2.5-2.5S21.88 11 20.5 11z"/></svg>
                 <span>插件管理</span>
             </a>
+            <a class="nav-item" data-page="projects">
+                <svg viewBox="0 0 24 24"><path d="M20 6h-8l-2-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm0 12H4V6h5.17l2 2H20v10z"/></svg>
+                <span>项目管理</span>
+            </a>
+            <a class="nav-item" data-page="proxy">
+                <svg viewBox="0 0 24 24"><path d="M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z"/></svg>
+                <span>反向代理</span>
+            </a>
             <div class="toggle-sidebar" onclick="toggleSidebar()">☰</div>
         </aside>