Network selection

Author: galt-tr

CLAUDE.md

@@ -153,4 +153,7 @@ Environment variables can override config values using `TERANODE_P2P_` prefix wi
 ### Security Considerations
 - Uses private DHT with shared key authentication
 - No authentication/authorization implemented for HTTP endpoints
-- Database path should be writable by application user
+- Database path should be writable by application user
+
+### Hidden Features
+- **All Networks Selection**: The frontend supports viewing messages from all networks simultaneously, but this option is currently hidden from the UI. The functionality remains fully implemented in the codebase and can be re-enabled by uncommenting the "All Networks" button in `frontend-react/src/components/NetworkSelector.tsx`. The default network selection is set to 'mainnet'.

frontend-react/src/components/Dashboard.tsx

@@ -29,7 +29,7 @@ import {
 } from '../types/Message';
 
 export const Dashboard: React.FC = () => {
-  const [selectedNetwork, setSelectedNetwork] = useState<Network | 'all'>('all');
+  const [selectedNetwork, setSelectedNetwork] = useState<Network | 'all'>('mainnet');
   const [selectedMessageType, setSelectedMessageType] = useState<MessageType | 'all'>('all');
   const [peerFilter, setPeerFilter] = useState<string>('');
   const [currentPage, setCurrentPage] = useState(1);
@@ -413,7 +413,7 @@ export const Dashboard: React.FC = () => {
               </p>
               <button 
                 onClick={() => {
-                  setSelectedNetwork('all');
+                  setSelectedNetwork('mainnet');
                   setSelectedMessageType('all');
                   setPeerFilter('');
                 }}

frontend-react/src/components/NetworkSelector.tsx

@@ -25,7 +25,9 @@ export const NetworkSelector: React.FC<NetworkSelectorProps> = ({
   return (
     <div className="space-y-2">
       <label className="block text-sm font-medium text-gray-700">Network</label>
-      <div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-7 gap-2">
+      <div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-6 gap-2">
+        {/* All Networks option is hidden but functionality remains available.
+            To re-enable, uncomment the following button:
         <button
           key="all"
           onClick={() => onNetworkChange('all')}
@@ -39,6 +41,7 @@ export const NetworkSelector: React.FC<NetworkSelectorProps> = ({
         >
           {networkInfo['all'].label}
         </button>
+        */}
         {networks.map(network => (
           <button
             key={network}