fix: keep the machine row buttons on one line

internal/server/web/static/app.css

@@ -67,6 +67,10 @@ button:hover, .btn:hover { background: var(--accent-hover); text-decoration: non
 table { width: 100%; border-collapse: collapse; }
 th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
 th { color: var(--muted); font-weight: 500; }
+.nowrap { white-space: nowrap; }
+/* Row buttons stay on one line; the column is only as wide as they need. */
+td.actions { width: 1%; white-space: nowrap; }
+td.actions .row { flex-wrap: nowrap; justify-content: flex-end; }
 .dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
 .dot.on { background: var(--ok); }
 .dot.off { background: #555d6a; }