fix(electrobun): +New button no longer sends empty prompt — waits for user input like Continue

ui-electrobun/src/mainview/SessionPicker.svelte

@@ -87,7 +87,8 @@
   function handleNew() {
     open = false;
     clearPendingResume(projectId);
-    onNewSession?.('');
+    // Don't start agent — just clear any pending resume so next Send creates fresh session
+    // The user types their prompt, then hits Send
   }
 </script>