fix: resolve hops after sort changes header paths

When sort updates header row path_json, new hop hashes may not be in
hopNameCache. Now resolves unknown hops before re-rendering.

public/index.html

@@ -84,7 +84,7 @@
   <script src="hop-resolver.js?v=1774126708"></script>
   <script src="app.js?v=1774126708"></script>
   <script src="home.js?v=1774042199"></script>
-  <script src="packets.js?v=1774137140"></script>
+  <script src="packets.js?v=1774137289"></script>
   <script src="map.js?v=1774126708" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="channels.js?v=1774331200" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="nodes.js?v=1774126708" onerror="console.error('Failed to load:', this.src)"></script>

public/packets.js

@@ -492,6 +492,12 @@
       for (const p of packets) {
         if (p._children) sortGroupChildren(p);
       }
+      // Resolve any new hops from updated header paths
+      const newHops = new Set();
+      for (const p of packets) {
+        try { JSON.parse(p.path_json || '[]').forEach(h => { if (!(h in hopNameCache)) newHops.add(h); }); } catch {}
+      }
+      if (newHops.size) await resolveHops([...newHops]);
       renderTableRows();
     });