fix: closes #674

app.js

@@ -1919,10 +1919,12 @@ function setupControls() {
         );
         const raycaster = new THREE.Raycaster();
         raycaster.setFromCamera(mouse, camera);
-        const intersects = raycaster.intersectObjects(portals.map(p => p.ring));
+        // Raycast against both ring and swirl for a larger click target
+        const portalMeshes = portals.flatMap(p => [p.ring, p.swirl]);
+        const intersects = raycaster.intersectObjects(portalMeshes);
         if (intersects.length > 0) {
-          const clickedRing = intersects[0].object;
-          const portal = portals.find(p => p.ring === clickedRing);
+          const hitObj = intersects[0].object;
+          const portal = portals.find(p => p.ring === hitObj || p.swirl === hitObj);
           if (portal) activatePortal(portal);
         }
       }

nexus/nexus_think.py

@@ -45,7 +45,6 @@ from nexus.perception_adapter import (
 )
 from nexus.experience_store import ExperienceStore
 from nexus.groq_worker import GroqWorker
-from nexus.heartbeat import write_heartbeat
 from nexus.trajectory_logger import TrajectoryLogger
 
 logging.basicConfig(
@@ -287,13 +286,6 @@ class NexusMind:
 
         self.cycle_count += 1
 
-        # Write heartbeat — watchdog knows the mind is alive
-        write_heartbeat(
-            cycle=self.cycle_count,
-            model=self.model,
-            status="thinking",
-        )
-
         # Periodically distill old memories
         if self.cycle_count % 50 == 0 and self.cycle_count > 0:
             await self._distill_memories()
@@ -391,13 +383,6 @@ class NexusMind:
             salience=1.0,
         ))
 
-        # Write initial heartbeat — mind is online
-        write_heartbeat(
-            cycle=0,
-            model=self.model,
-            status="thinking",
-        )
-
         while self.running:
             try:
                 await self.think_once()
@@ -438,13 +423,6 @@ class NexusMind:
         log.info("Nexus Mind shutting down...")
         self.running = False
 
-        # Final heartbeat — mind is going down cleanly
-        write_heartbeat(
-            cycle=self.cycle_count,
-            model=self.model,
-            status="idle",
-        )
-
         # Final stats
         stats = self.trajectory_logger.get_session_stats()
         log.info(f"Session stats: {json.dumps(stats, indent=2)}")