phase 2: move host files to hosts/{mreow,yarn,muffin}/

hosts/mreow/default.nix

@@ -0,0 +1,60 @@
+{
+  config,
+  pkgs,
+  lib,
+  username,
+  inputs,
+  ...
+}:
+{
+  imports = [
+    ./common.nix
+    ./disk_mreow.nix
+
+    inputs.nixos-hardware.nixosModules.framework-amd-ai-300-series
+  ];
+
+  hardware.framework.laptop13.audioEnhancement.rawDeviceName =
+    lib.mkDefault "alsa_output.pci-0000_c1_00.6.analog-stereo";
+
+  # PST
+  # time.timeZone = lib.mkForce "America/Los_Angeles";
+
+  # weird hack to get swaylock working? idk, if you don't put this here, password entry doesnt work
+  # if I move to another lock screen program, i will have to replace `swaylock`
+  security.pam.services.swaylock = { };
+
+  # Kernel-level power tuning. These are boot-time / module-load-time settings
+  # that power-profiles-daemon (in common.nix) does not manage. ppd handles
+  # governor and EPP at runtime; these cover everything else.
+  boot.kernelParams = [
+    # Disable NMI watchdog. Eliminates periodic perf-counter interrupts
+    # across all cores (~1 W). Kernel softlockup watchdog remains active.
+    "nmi_watchdog=0"
+
+    # Route kernel work items to already-busy CPUs rather than waking idle
+    # ones. Reduces C-state exit frequency -- significant on battery where
+    # cores idle often.
+    "workqueue.power_efficient=1"
+  ];
+
+  boot.kernel.sysctl."kernel.nmi_watchdog" = 0;
+
+  # Power-gate the HDA codec between audio activity. 1-second inactivity
+  # timeout; controller powers down fully. Wakes transparently on next
+  # audio event -- no audible artifacts on Framework 13 AMD.
+  boot.extraModprobeConfig = ''
+    options snd_hda_intel power_save=1 power_save_controller=Y
+  '';
+
+  # Greetd display manager
+  services.greetd = {
+    enable = true;
+    settings = {
+      default_session = {
+        command = "${lib.getExe pkgs.tuigreet} --time";
+        user = username;
+      };
+    };
+  };
+}

hosts/mreow/disk.nix

@@ -0,0 +1,53 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/disk/by-path/pci-0000:01:00.0-nvme-1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            luks = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "crypted";
+                passwordFile = "${./secrets/disk-password}";
+                content = {
+                  type = "filesystem";
+                  format = "f2fs";
+                  mountpoint = "/";
+                  extraArgs = [
+                    "-O"
+                    "extra_attr,inode_checksum,sb_checksum,compression"
+                  ];
+                  mountOptions = [
+                    "compress_algorithm=zstd:6,compress_chksum,atgc,gc_merge,lazytime,nodiscard"
+                  ];
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+
+}

hosts/mreow/home.nix

@@ -0,0 +1,33 @@
+{
+  config,
+  pkgs,
+  homeDirectory,
+  ...
+}:
+{
+  imports = [
+    ./gui.nix
+    ./desktop.nix
+    ./progs/borg.nix
+
+    # effects headphones too
+    # ./progs/framework-13-easyeffects.nix
+  ];
+
+  # media controls
+  systemd.user.services.mpris-proxy = {
+    Unit.Description = "Mpris proxy";
+    Install.After = [
+      "network.target"
+      "sound.target"
+    ];
+    Install.WantedBy = [ "default.target" ];
+    Service.ExecStart = "${pkgs.bluez}/bin/mpris-proxy";
+  };
+
+  programs.niri.settings.outputs = {
+    "BOE 0x095F Unknown" = {
+      scale = 1.5;
+    };
+  };
+}