Fix nvim/wifi

hosts/fuhen/hardware-configuration.nix

@@ -22,6 +22,12 @@
     ];
     extraModprobeConfig = ''
       options snd_hda_intel power_save=1
+      # AX201 firmware (NMI_INTERRUPT_UMAC_FATAL) crashes at boot under the
+      # 6.18.38 kernel when the PCIe link is aggressively power-managed
+      # (pcie_aspm.policy=powersave above). Keep the Wi-Fi radio awake so the
+      # firmware boots reliably; the rest of the bus still saves power.
+      options iwlwifi power_save=0
+      options iwlmvm power_scheme=1
     '';
     kernel.sysctl = {
       "kernel.nmi_watchdog" = 0;

nvim/lua/settings.lua

@@ -27,7 +27,7 @@ vim.opt.ignorecase = true
 vim.opt.smartcase = true
 
 vim.opt.cmdheight = 0
-vim.opt.colorcolumn = { 80, 120 }
+vim.opt.colorcolumn = '80,120'
 vim.opt.list = true
 vim.opt.listchars = {
 	space = "·",