Add container/VM autodiscovery, optional username in config, and management scripts

app/static/style.css

@@ -288,6 +288,70 @@ main {
     text-align: right;
 }
 
+/* --- Container / VM Sub-cards --- */
+
+.container-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+    gap: 8px;
+}
+
+.container-card {
+    background: #1e293b;
+    border: 1px solid #334155;
+    border-radius: 8px;
+    padding: 10px;
+}
+
+.container-card.offline {
+    opacity: 0.6;
+}
+
+.ct-header {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    margin-bottom: 4px;
+}
+
+.ct-name {
+    font-weight: 600;
+    font-size: 0.85rem;
+    color: #f1f5f9;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    flex: 1;
+}
+
+.ct-type {
+    font-size: 0.6rem;
+    font-weight: 600;
+    color: #64748b;
+    background: #334155;
+    padding: 1px 5px;
+    border-radius: 3px;
+    letter-spacing: 0.05em;
+    flex-shrink: 0;
+}
+
+.ct-details {
+    display: flex;
+    gap: 10px;
+    font-size: 0.75rem;
+    color: #94a3b8;
+    margin-bottom: 6px;
+}
+
+.ct-ip {
+    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
+}
+
+.ct-status-label {
+    color: #64748b;
+    font-style: italic;
+}
+
 /* --- Empty State --- */
 
 .empty-state {