stop sniffer

backend/src/network_sniffer.py

@@ -690,11 +690,18 @@ def stop_afpacket_sniffer(session_id: Optional[str] = None, target: Optional[str
         if not s:
             logger.warning("Requested stop for unknown session %s", session_id)
             return
+        discarded_ifaces = list({*s.get("ports", []), *s.get("sockets", {}).keys()})
         s["stop_event"].set()
         t = s.get("thread")
         if t and isinstance(t, threading.Thread):
             t.join(timeout=settings.sniffer_thread_join_timeout_seconds)
         _sync_bridge_telemetry()
+        try:
+            discarded = packet_tracker.discard_entries_for_ifaces(discarded_ifaces)
+            if discarded:
+                logger.info("Discarded %s pending packet-tracker entries for stopped session %s", discarded, session_id)
+        except Exception:
+            logger.exception("Failed to discard packet-tracker entries for session %s", session_id)
         logger.info("Stopped session %s", session_id)
         return