diff --git a/backend/example_scripts/hello_nfqueue.py b/backend/example_scripts/hello_nfqueue.py
index 1169a95..0d019bc 100644
--- a/backend/example_scripts/hello_nfqueue.py
+++ b/backend/example_scripts/hello_nfqueue.py
@@ -1,42 +1,29 @@
 #!/usr/bin/env python3
-"""Minimal NFQUEUE example script.
+"""Minimal NFQUEUE example: accept every packet from a queue."""
 
-Expected argv:
-  argv[1] = queue number
-Any extra args are optional.
-"""
-
-import logging
 import signal
 import sys
-from typing import Optional
 
 try:
     from netfilterqueue import NetfilterQueue
-except Exception as exc:  # pragma: no cover
+except Exception as exc:
     print(f"Failed to import netfilterqueue: {exc}", file=sys.stderr)
     sys.exit(2)
 
-logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
-logger = logging.getLogger("hello-nfqueue")
-
-_running = True
-
-
-def _stop(_sig: int, _frame: Optional[object]) -> None:
-    global _running
-    _running = False
+nfq = NetfilterQueue()
 
 
 def _handle_packet(packet) -> None:
-    # This demo accepts all packets and logs basic metadata.
-    logger.info("packet id=%s len=%s", packet.get_id(), len(packet.get_payload()))
     packet.accept()
 
 
+def _stop(_sig, _frame) -> None:
+    raise SystemExit(0)
+
+
 def main() -> int:
-    if len(sys.argv) < 2:
-        print("Usage: hello_nfqueue.py <qnum> [extra args...]", file=sys.stderr)
+    if len(sys.argv) != 2:
+        print("Usage: hello_nfqueue.py <qnum>", file=sys.stderr)
         return 1
 
     try:
@@ -48,19 +35,13 @@ def main() -> int:
     signal.signal(signal.SIGINT, _stop)
     signal.signal(signal.SIGTERM, _stop)
 
-    nfq = NetfilterQueue()
-    logger.info("Binding to NFQUEUE %d", qnum)
     nfq.bind(qnum, _handle_packet)
-
     try:
-        while _running:
-            nfq.run(block=True)
+        nfq.run()
     except KeyboardInterrupt:
         pass
     finally:
-        logger.info("Unbinding NFQUEUE %d", qnum)
         nfq.unbind()
-
     return 0
 
 
diff --git a/backend/src/api/packet_scripting_api.py b/backend/src/api/packet_scripting_api.py
index 7f84648..9c10adf 100644
--- a/backend/src/api/packet_scripting_api.py
+++ b/backend/src/api/packet_scripting_api.py
@@ -376,6 +376,7 @@ Type=simple
 ExecStart={exec_start}
 Restart=always
 RestartSec=2
+TimeoutStopSec=10
 StandardOutput=syslog
 StandardError=syslog
 
diff --git a/frontend/src/components/ScriptManager.tsx b/frontend/src/components/ScriptManager.tsx
index 583cf37..0bcd4af 100644
--- a/frontend/src/components/ScriptManager.tsx
+++ b/frontend/src/components/ScriptManager.tsx
@@ -166,8 +166,7 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
           const val = ta.value ?? '';
           ta.setSelectionRange(val.length, val.length);
         }
-      } catch {
-      }
+      } catch {}
     }, 80);
   }, []);
 
@@ -489,7 +488,10 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
     return <Badge color={isActive ? '#52c41a' : '#ff4d4f'} text={isActive ? 'Active' : 'Inactive'} />;
   }, []);
 
-  const isScriptActive = useCallback((record: ScriptWithStatus) => record.mappings.some((mapping) => mapping.active), []);
+  const isScriptActive = useCallback(
+    (record: ScriptWithStatus) => record.mappings.some((mapping) => mapping.active),
+    [],
+  );
 
   const saveAddRequirements = useCallback(async () => {
     if (!addReqTarget) return;
@@ -539,7 +541,6 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
         render: (_: unknown, record: ScriptWithStatus) => (
           <Space>
             <code>{record.name}</code>
-            {record.is_protected_example ? <Badge color="#1677ff" text="Protected" /> : null}
           </Space>
         ),
       },
@@ -741,7 +742,6 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
         expandable={expandable}
       />
 
-      
       <Modal
         open={uploadModalVisible}
         title="Upload or create script"
@@ -817,7 +817,6 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
         </Form>
       </Modal>
 
-      
       <Modal
         open={editorModalVisible}
         title={currentEditingName ? `Editing — ${currentEditingName}` : 'Editor'}
@@ -875,7 +874,6 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
         <PythonEditor value={editorValue} onChange={setEditorValue} height={520} />
       </Modal>
 
-      
       <Modal
         open={reqModalVisible}
         title={reqEditingName ? `requirements.txt — ${reqEditingName}` : 'requirements.txt'}
@@ -914,7 +912,6 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
         <PythonEditor value={reqEditorValue} onChange={setReqEditorValue} height={420} />
       </Modal>
 
-      
       <Modal
         open={addReqModalVisible}
         title={addReqTarget ? `Add requirements — ${addReqTarget}` : 'Add requirements'}
@@ -968,7 +965,6 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
         </div>
       </Modal>
 
-      
       <Modal
         open={pipModalVisible}
         title="pip install output"
@@ -987,7 +983,6 @@ export default function ScriptsManager({ onOpenInEditor }: { onOpenInEditor?: (c
         </div>
       </Modal>
 
-      
       <Modal
         open={enableModalVisible}
         title={`Enable ${enableTarget ?? ''}`}