improve session activity and model display

frontend/index.html

@@ -3,13 +3,14 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
     <link
       href="https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Press+Start+2P&display=swap"
       rel="stylesheet"
     />
-    <title>Loki — Agent local</title>
+    <title>Loki - Agent local</title>
   </head>
   <body>
     <div id="root"></div>