fix: hibernate resume for nb

hosts/nb/configuration.nix

@@ -72,6 +72,14 @@ in {
       theme = "steeef";  # Set theme
       plugins = [ "git" ];  # Add plugins
     };
+    interactiveShellInit = ''
+      # Bind Shift+Return to insert newline (foot terminal sends \e[27;2;13~)
+      insert-newline() {
+        LBUFFER="''${LBUFFER}"$'\n'
+      }
+      zle -N insert-newline
+      bindkey '^[[27;2;13~' insert-newline
+    '';
   };
   users.defaultUserShell = pkgs.zsh;
 
@@ -93,8 +101,8 @@ in {
     # Battery optimization - increase dirty writeback time to batch writes
     "vm.dirty_writeback_centisecs" = 3000;  # 30 seconds (default: 500 = 5s)
     "vm.dirty_expire_centisecs" = 3000;     # 30 seconds (default: 3000)
-    # Enable laptop mode for aggressive disk power management
-    "vm.laptop_mode" = 5;
+    # Enable laptop mode for disk power management (2 = balanced, less aggressive than 5)
+    "vm.laptop_mode" = 2;
   };
 
   # nixos cross building qemu

hosts/nb/hardware-configuration.nix

@@ -28,7 +28,6 @@
     "snd_hda_intel.power_save=1"
     "transparent_hugepage=madvise"
     "pcie_aspm=force"
-    "nvme.noacpi=1"
   ];
 
   fileSystems."/" = {

hosts/nb/modules/suspend-fixes.nix

@@ -4,29 +4,21 @@
   # Add i2c_hid_acpi kernel module for proper input device support
   boot.kernelModules = [ "i2c_hid_acpi" ];
 
-  # Systemd service to reload i2c_hid_acpi module after resume
-  # This fixes keyboard and touchpad not working after suspend
-  systemd.services.reload-i2c-hid-after-resume = {
-    description = "Reload i2c_hid_acpi module after resume to fix keyboard/touchpad";
-    after = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
-    wantedBy = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
-    serviceConfig = {
-      Type = "oneshot";
-      ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.kmod}/bin/rmmod i2c_hid_acpi; ${pkgs.kmod}/bin/modprobe i2c_hid_acpi'";
-    };
-  };
+  # Commands to run after resume from suspend/hibernate
+  # This is the NixOS-native way to ensure proper execution timing
+  powerManagement.resumeCommands = ''
+    # Reload i2c_hid_acpi module to fix keyboard/touchpad after suspend
+    ${pkgs.kmod}/bin/rmmod i2c_hid_acpi || true
+    ${pkgs.kmod}/bin/modprobe i2c_hid_acpi
 
-  # Systemd service to remount /nix/persist if it becomes read-only after resume
-  # This fixes the btrfs read-only issue that can occur with LUKS + btrfs on suspend/resume
-  systemd.services.remount-persist-after-resume = {
-    description = "Remount /nix/persist read-write if needed after resume";
-    after = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
-    wantedBy = [ "suspend.target" "hibernate.target" "hybrid-sleep.target" ];
-    serviceConfig = {
-      Type = "oneshot";
-      ExecStart = "${pkgs.util-linux}/bin/mount -o remount,rw /nix/persist";
-      # Don't fail if already mounted rw
-      SuccessExitStatus = [ 0 32 ];
-    };
-  };
+    # Sync filesystem to ensure all pending writes are committed
+    ${pkgs.util-linux}/bin/sync
+
+    # Remount all btrfs subvolumes read-write if they became read-only
+    # This fixes the issue where LUKS + btrfs can remount read-only after suspend
+    ${pkgs.util-linux}/bin/mount -o remount,rw /nix || true
+    ${pkgs.util-linux}/bin/mount -o remount,rw /nix/store || true
+    ${pkgs.util-linux}/bin/mount -o remount,rw /nix/persist || true
+    ${pkgs.util-linux}/bin/mount -o remount,rw /swap || true
+  '';
 }