feat: expand livestream management platform

backend/routes/settings_route.py

@@ -105,6 +105,17 @@ async def get_system_metrics(_: bool = Depends(require_auth)):
     disk_path = metrics_path if metrics_path.exists() else Path.cwd()
     disk = shutil.disk_usage(disk_path)
     cpu_count = os.cpu_count() or 1
+    network_in_bytes = 0
+    network_out_bytes = 0
+    netdev = Path("/proc/net/dev")
+    if netdev.exists():
+        for line in netdev.read_text(encoding="ascii").splitlines()[2:]:
+            _, _, counters = line.partition(":")
+            fields = counters.split()
+            if len(fields) >= 9:
+                network_in_bytes += int(fields[0])
+                network_out_bytes += int(fields[8])
+
     return {
         "cpu": {
             "count": cpu_count,
@@ -123,4 +134,8 @@ async def get_system_metrics(_: bool = Depends(require_auth)):
             "free": disk.free,
             "used_percent": round(disk.used / disk.total * 100, 1) if disk.total else 0,
         },
+        "network": {
+            "bytes_recv": network_in_bytes,
+            "bytes_sent": network_out_bytes,
+        },
     }