Show AS descriptions in AS path on prefix detail page

- Display AS descriptions alongside AS numbers in format: Description (ASN)
- Truncate descriptions longer than 20 characters with ellipsis
- Increase container max width to 1600px for better display
- Enable word wrapping for AS path cells to handle long paths
- Update mobile responsive styles for AS path display

internal/templates/prefix_detail.html

@@ -13,7 +13,8 @@
             color: #333;
         }
         .container {
-            max-width: 1200px;
+            width: 90%;
+            max-width: 1600px;
             margin: 0 auto;
             background: white;
             padding: 30px;
@@ -114,9 +115,10 @@
             font-family: monospace;
             font-size: 13px;
             color: #666;
-            max-width: 300px;
-            overflow-x: auto;
-            white-space: nowrap;
+            max-width: 600px;
+            word-wrap: break-word;
+            white-space: normal;
+            line-height: 1.5;
         }
         .age {
             color: #7f8c8d;
@@ -168,7 +170,7 @@
                 font-size: 14px;
             }
             .as-path {
-                max-width: 150px;
+                max-width: 100%;
             }
         }
     </style>
@@ -234,7 +236,7 @@
                             <a href="/as/{{.OriginASN}}" class="as-link">AS{{.OriginASN}}</a>
                         </td>
                         <td class="peer-ip">{{.PeerIP}}</td>
-                        <td class="as-path">{{range $i, $as := .ASPath}}{{if $i}} → {{end}}{{$as}}{{end}}</td>
+                        <td class="as-path">{{range $i, $as := .ASPathWithDesc}}{{if $i}} → {{end}}{{if $as.Description}}{{$as.Description}} ({{$as.Number}}){{else}}AS{{$as.Number}}{{end}}{{end}}</td>
                         <td class="peer-ip">{{.NextHop}}</td>
                         <td>{{.LastUpdated.Format "2006-01-02 15:04:05"}}</td>
                         <td class="age">{{.LastUpdated | timeSince}}</td>