From efd279c7d192213e85599e4b89f4388aaad15d4d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?ryan4yin=20=7C=20=E4=BA=8C=E8=8A=B1?= <ryan4yin@linux.com>
Date: Thu, 8 Oct 2026 13:31:57 +0800
Subject: [PATCH] fix(noctalia): avoid mihomo network speed double count (#414)

---
 home/hosts/linux/12kingdoms-shoukei/noctalia.toml | 7 +++++++
 home/hosts/linux/idols-ai.nix                     | 3 +++
 home/hosts/linux/idols-ai/noctalia.toml           | 6 ++++++
 3 files changed, 16 insertions(+)
 create mode 100644 home/hosts/linux/idols-ai/noctalia.toml

diff --git a/home/hosts/linux/12kingdoms-shoukei/noctalia.toml b/home/hosts/linux/12kingdoms-shoukei/noctalia.toml
index c098d718..ad9d8724 100644
--- a/home/hosts/linux/12kingdoms-shoukei/noctalia.toml
+++ b/home/hosts/linux/12kingdoms-shoukei/noctalia.toml
@@ -6,3 +6,10 @@
 [brightness.monitor.eDP-1]
 backend = "backlight"
 backlight_device = "apple-panel-bl"
+
+# The default total counts packets on both Mihomo's TUN and the Wi-Fi uplink.
+[widget.net_rx]
+interface = "wld0"
+
+[widget.net_tx]
+interface = "wld0"
diff --git a/home/hosts/linux/idols-ai.nix b/home/hosts/linux/idols-ai.nix
index 70317c56..75f6b43d 100644
--- a/home/hosts/linux/idols-ai.nix
+++ b/home/hosts/linux/idols-ai.nix
@@ -34,6 +34,9 @@ in
   xdg.configFile."niri/niri-hardware.kdl".source =
     mkSymlink "${config.home.homeDirectory}/nix-config/hosts/idols-ai/niri-hardware.kdl";
 
+  # Keep Noctalia's network widgets on the physical uplink, not the Mihomo TUN.
+  xdg.configFile."noctalia/host-ai.toml".source = ./idols-ai/noctalia.toml;
+
   # The desktop speakers are already loud, so use the broadcast-standard -23 dB.
   services.easyeffects.extraPresets."loudness-normalization".output."autogain#0".target = -23.0;
 }
diff --git a/home/hosts/linux/idols-ai/noctalia.toml b/home/hosts/linux/idols-ai/noctalia.toml
new file mode 100644
index 00000000..09973d02
--- /dev/null
+++ b/home/hosts/linux/idols-ai/noctalia.toml
@@ -0,0 +1,6 @@
+# The default total counts packets on both Mihomo's TUN and the physical uplink.
+[widget.net_rx]
+interface = "enp130s0"
+
+[widget.net_tx]
+interface = "enp130s0"