diff --git a/poc-grpc-agent/agent_node/skills/shell.py b/poc-grpc-agent/agent_node/skills/shell.py
index ae681a1..8b4b1e0 100644
--- a/poc-grpc-agent/agent_node/skills/shell.py
+++ b/poc-grpc-agent/agent_node/skills/shell.py
@@ -54,3 +54,11 @@
                 p.kill()
                 return True
         return False
+    def shutdown(self):
+        """Standard cleanup: Terminates all active shell processes."""
+        with self.lock:
+            for tid, p in list(self.processes.items()):
+                print(f"[🛑] Killing Orphan Shell Task: {tid}")
+                try: p.kill()
+                except: pass
+            self.processes.clear()