Disable listen button when any agent is selected

static/js/core/agents.js

@@ -339,6 +339,10 @@ function selectAgent(agentId) {
         if (typeof BluetoothMode !== 'undefined' && BluetoothMode.handleAgentChange) {
             BluetoothMode.handleAgentChange();
         }
+        // Re-enable listen button for local mode
+        if (typeof updateListenButtonState === 'function') {
+            updateListenButtonState(false);
+        }
         console.log('Agent selected: Local');
     } else {
         // Fetch devices from remote agent
@@ -357,6 +361,10 @@ function selectAgent(agentId) {
         if (typeof BluetoothMode !== 'undefined' && BluetoothMode.handleAgentChange) {
             BluetoothMode.handleAgentChange();
         }
+        // Disable listen button for agent mode (audio can't stream over HTTP)
+        if (typeof updateListenButtonState === 'function') {
+            updateListenButtonState(true);
+        }
         const agentName = agents.find(a => a.id == agentId)?.name || 'Unknown';
         console.log(`Agent selected: ${agentName}`);
 

static/js/modes/listening-post.js

@@ -2487,6 +2487,7 @@ function setListeningPostRunning(isRunning, agentId = null) {
 
 // Export for agent sync
 window.setListeningPostRunning = setListeningPostRunning;
+window.updateListenButtonState = updateListenButtonState;
 
 // Export functions for HTML onclick handlers
 window.toggleDirectListen = toggleDirectListen;