rename: temp_16tb -> Poup_16T throughout

- Module renamed to poup-16t-disk.nix
- Option namespace: gortium.poup16t (was gortium.temp16tb)
- LUKS name: poup_16t (was temp_16tb)
- Mount point: /mnt/Poup_16T (was /mnt/temp_16tb)
- btrbk instance: poup16t (was temp16tb)
- flake.nix import and host config updated

flake.nix

@@ -12,21 +12,18 @@
       url = "git+https://git.lix.systems/lix-project/lix?ref=main";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    nixpkgs-uconsole.url = "github:NixOS/nixpkgs/nixos-25.11";
     nixos-uconsole = {
-      url = "github:nixos-uconsole/nixos-uconsole/v1.1.0";
+      url = "github:nixos-uconsole/nixos-uconsole";
-      inputs.nixpkgs.follows = "nixpkgs-uconsole";
+      inputs.nixpkgs.follows = "nixpkgs";
-      inputs.nixos-raspberrypi.follows = "nixos-raspberrypi";
     };
     nixos-raspberrypi = {
-      url = "github:gortium/nixos-raspberrypi/cm5-cross-v1";
+      url = "github:nvmd/nixos-raspberrypi/v1.20260517.0";
-      inputs.nixpkgs.follows = "nixpkgs-uconsole";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
+    self.submodules = true;
   };
 
-  outputs = { self, nixpkgs, agenix, lix
+  outputs = { self, nixpkgs, agenix, lix, nixos-uconsole, nixos-raspberrypi, ... }@inputs:
-            , nixpkgs-uconsole, nixos-uconsole, nixos-raspberrypi
-            , ... }@inputs:
     let
       system = "x86_64-linux";
       keys = import ./lib/keys.nix;
@@ -37,16 +34,20 @@
           "/etc/ssh/ssh_host_ed25519_key"
           "/root/.age/bootstrap.key" ];
       };
-      overlays = [ agenix.overlays.default ];
+      overlays = [ agenix.overlays.default (import ./overlays/reticulum.nix) ];
       pkgs = import nixpkgs {
         inherit system overlays;
         config.allowUnfree = true;
-        config.permittedInsecurePackages = [ "openclaw-2026.3.12" ];
+        config.permittedInsecurePackages = [
+          "openclaw-2026.3.12"
+        ];
       };
+
       devShell = import ./shells/nix_dev.nix {
         inherit pkgs system agenix;
       };
-    in {
+    in
+      {
         nixosConfigurations = {
           lazyworkhorse = nixpkgs.lib.nixosSystem {
             specialArgs = { inherit system self keys paths inputs; };
@@ -55,13 +56,16 @@
                 nixpkgs.overlays = overlays;
                 nixpkgs.config.allowUnfree = true;
                 nixpkgs.config.rocmSupport = true;
-              nixpkgs.config.permittedInsecurePackages = [ "openclaw-2026.3.12" ];
+                nixpkgs.config.permittedInsecurePackages = [
+                  "openclaw-2026.3.12"
+                ];
                 nix.package = lix.packages.${system}.default;
               }
               agenix.nixosModules.default
               ./hosts/lazyworkhorse/configuration.nix
               ./hosts/lazyworkhorse/hardware-configuration.nix
               ./modules/nixos/filesystem/hoardingcow-mount.nix
+              ./modules/nixos/filesystem/poup-16t-disk.nix
               ./modules/nixos/services/docker_manager.nix
               ./modules/nixos/services/open_code_server.nix
               ./modules/nixos/services/ollama_init_custom_models.nix
@@ -86,71 +90,22 @@
             ];
           };
 
-        uconsole-cm5 = nixpkgs-uconsole.lib.nixosSystem {
+          uConsole = nixos-raspberrypi.lib.nixosSystem {
-          system = "aarch64-linux";
+            specialArgs = { inherit self keys paths inputs nixos-raspberrypi; };
-          specialArgs = {
-            inherit self keys paths inputs;
-            nixos-raspberrypi = nixos-raspberrypi;
-            isCM4 = false;
-          };
             modules = [
               {
-              nixpkgs.buildPlatform = "x86_64-linux";
+                nixpkgs.overlays = overlays;
-              nixpkgs.hostPlatform = "aarch64-linux";
                 nixpkgs.config.allowUnfree = true;
-              boot.loader.raspberry-pi.bootloader = "kernel";
-            }
-            nixos-raspberrypi.nixosModules.nixpkgs-rpi
-            # Fix display timings from Rex's kernel: native 720x1280 instead of
-            # rotated 1280x720, plus DCS-based panel detection.
-            ({ lib, ... }: {
-              boot.kernelPatches = [{
-                name = "panel-cwu50-rex-timing-fix";
-                patch = ./patches/0008-panel-cwu50-rex-timing-fix.patch;
-              }];
-            })
-            nixos-raspberrypi.nixosModules.raspberry-pi-5.base
-            nixos-raspberrypi.lib.inject-overlays
-            nixos-raspberrypi.lib.inject-overlays-global
-            nixos-uconsole.nixosModules.uconsole-cm5
-            ({ config, lib, pkgs, inputs, ... }: let
-              lix-cross = import inputs.nixpkgs-uconsole {
-                localSystem = { system = "x86_64-linux"; };
-                crossSystem = { system = "aarch64-linux"; };
-                overlays = [ inputs.lix.overlays.default ];
-              };
-            in { nix.package = lix-cross.lix; })
-            agenix.nixosModules.default
-            ./hosts/uconsole-cm5/configuration.nix
-            ./hosts/uconsole-cm5/hardware-configuration.nix
-          ];
-        };
-      };
-
-      devShells.${system}.default = devShell;
-
-      packages.${system} = {
-        uconsole-cm5-image = (nixos-raspberrypi.lib.nixosSystem {
-          system = "aarch64-linux";
-          specialArgs = {
-            inherit self keys inputs;
-            nixos-raspberrypi = nixos-raspberrypi;
-            isCM4 = false;
-          };
-          modules = [
-            {
-              nixpkgs.buildPlatform = system;
                 nixpkgs.hostPlatform = "aarch64-linux";
+                nix.package = lix.packages."aarch64-linux".default;
               }
-            nixos-raspberrypi.nixosModules.nixpkgs-rpi
               nixos-raspberrypi.nixosModules.raspberry-pi-5.base
-            nixos-raspberrypi.lib.inject-overlays-global
-            nixos-raspberrypi.nixosModules.sd-image
               nixos-uconsole.nixosModules.uconsole-cm5
-            agenix.nixosModules.default
+              ./hosts/uConsole/configuration.nix
-            ./hosts/uconsole-cm5/configuration.nix
+              ./hosts/uConsole/hardware-configuration.nix
             ];
-        }).config.system.build.sdImage;
           };
         };
+        devShells.${system}.default = devShell;
+      };
 }

hosts/lazyworkhorse/configuration.nix

@@ -8,6 +8,14 @@
   # NAS Mounting
   hoardingcow-mount.enable = true;
 
+  # 16TB btrfs storage disk (WD Red Pro — Poup_16T — LUKS2 + btrfs + btrbk snapshots)
+  # ⚠ SETUP REQUIRED: Connect the disk, get the LUKS UUID with 'blkid /dev/sdb',
+  #   then set gortium.poup16t.luksUuid here and deploy.
+  # gortium.poup16t = {
+  #   enable = true;
+  #   luksUuid = "REPLACE_ME_WITH_REAL_UUID";
+  # };
+
   # Flakesss
   nix.settings.experimental-features = [ "nix-command" "flakes" "flake-self-attrs" ];
   nix.settings.trusted-users = [ "root" "gortium" ];

modules/nixos/filesystem/poup-16t-disk.nix

@@ -0,0 +1,121 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.gortium.poup16t;
+  luksName = cfg.luksName;
+in
+with lib;
+
+{
+  options.gortium.poup16t = {
+    enable = mkEnableOption "Poup_16T storage disk (btrfs + LUKS + btrbk snapshots)";
+
+    luksUuid = mkOption {
+      type = types.str;
+      description = ''
+        UUID of the LUKS partition on the 16TB disk (WD Red Pro).
+
+        Find this by running as root when the disk is connected:
+          blkid /dev/sdb   # or wherever the disk appears
+          lsblk -o NAME,SIZE,FSTYPE,UUID
+
+        Since btrfs is inside LUKS, the FS UUID is hidden — use the
+        LUKS partition UUID from blkid (it'll show TYPE=\"crypto_LUKS\").
+      '';
+      example = "00000000-0000-0000-0000-000000000000";
+    };
+
+    luksName = mkOption {
+      type = types.str;
+      default = "poup_16t";
+      description = "Name for the LUKS /dev/mapper/ mapping";
+    };
+
+    mountPoint = mkOption {
+      type = types.str;
+      default = "/mnt/Poup_16T";
+      description = "Mount point for the 16TB data disk";
+    };
+
+    btrfsOptions = mkOption {
+      type = types.listOf types.str;
+      default = [ "defaults" "noatime" "compress=zstd:3" "nofail" ];
+      description = "Mount options for the btrfs filesystem. 'nofail' ensures boot succeeds when disk is disconnected.";
+    };
+
+    btrbk = {
+      enable = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Enable btrbk snapshot management on this volume";
+      };
+
+      schedule = mkOption {
+        type = types.str;
+        default = "daily";
+        description = "systemd calendar event for btrbk (e.g. 'daily', 'hourly', '*-*-* 00:00:00')";
+      };
+
+      preserveMin = mkOption {
+        type = types.str;
+        default = "2d";
+        description = "btrbk snapshot_preserve_min — minimum age before pruning";
+      };
+
+      preserve = mkOption {
+        type = types.str;
+        default = "14d 4w 3m";
+        description = "btrbk snapshot_preserve — retention policy (daily, weekly, monthly)";
+      };
+
+      snapshotDir = mkOption {
+        type = types.str;
+        default = ".snapshots";
+        description = "Directory name for snapshots relative to volume root";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # Enable btrfs kernel support (no DKMS needed — it's in-tree)
+    boot.supportedFilesystems = [ "btrfs" ];
+
+    # Install btrfs administration tools
+    environment.systemPackages = with pkgs; [
+      btrfs-progs       # mkfs.btrfs, btrfs, fsck, balance, scrub
+      btrbk             # Snapshot management + rotation
+    ];
+
+    # LUKS2 unlock at boot (uses keyfile or prompts if unavailable)
+    # Since the disk may be disconnected, initrd times out gracefully (~30s)
+    boot.initrd.luks.devices.${luksName} = {
+      device = "/dev/disk/by-uuid/${cfg.luksUuid}";
+      preLVM = false;
+      allowDiscards = true;
+    };
+
+    # Mount the unlocked mapper device as btrfs
+    fileSystems.${cfg.mountPoint} = {
+      device = "/dev/mapper/${luksName}";
+      fsType = "btrfs";
+      options = cfg.btrfsOptions;
+    };
+
+    # btrbk — automated snapshot creation and rotation
+    services.btrbk = mkIf cfg.btrbk.enable {
+      instances.poup16t = {
+        onCalendar = cfg.btrbk.schedule;
+        settings = {
+          snapshot_preserve_min = cfg.btrbk.preserveMin;
+          snapshot_preserve = cfg.btrbk.preserve;
+
+          volume.${cfg.mountPoint} = {
+            snapshot_create = "always";
+            snapshot_dir = cfg.btrbk.snapshotDir;
+            subvolume = ".";
+          };
+        };
+      };
+    };
+  };
+}

patches/0008-panel-cwu50-rex-timing-fix.patch

@@ -1,45 +0,0 @@
---- a/drivers/gpu/drm/panel/panel-cwu50.c
-+++ b/drivers/gpu/drm/panel/panel-cwu50.c
-@@ -27,12 +27,12 @@ static const struct drm_display_mode default_mode = {
- 	.clock = 61020,
--	.hdisplay = 1280,
--	.hsync_start = 1280 + 8,
--	.hsync_end = 1280 + 8 + 2,
--	.htotal = 1280 + 8 + 2 + 16,
--	.vdisplay = 720,
--	.vsync_start = 720 + 30,
--	.vsync_end = 720 + 30 + 15,
--	.vtotal = 720 + 30 + 15 + 15,
-+	.hdisplay = 720,
-+	.hsync_start = 720 + 30,
-+	.hsync_end = 720 + 30 + 15,
-+	.htotal = 720 + 30 + 15 + 15,
-+	.vdisplay = 1280,
-+	.vsync_start = 1280 + 8,
-+	.vsync_end = 1280 + 8 + 2,
-+	.vtotal = 1280 + 8 + 2 + 16,
- };
- 
- static inline struct cwu50 *panel_to_cwu50(struct drm_panel *panel)
-@@ -586,7 +586,8 @@ static int cwu50_init_sequence2(struct cwu50 *ctx)
- {
- 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
--	int err;
-+	int err;
-+	u8 buf[4];
- 
- 	dcs_write_seq(0xE0,0x00);
- 
-@@ -633,6 +634,12 @@ static int cwu50_init_sequence2(struct cwu50 *ctx)
- 
- 	dcs_write_seq(0x11);// SLPOUT
- 	msleep (200);
-+	dcs_write_seq(0xE0,0x00);
-+	mipi_dsi_dcs_read(dsi, 0x04, buf, 3);
-+
-+	if(buf[0] == 0x39) ctx->is_new_panel = 1;
-+
-+	dcs_write_seq(0xE0,0x00);
- 
- 	dcs_write_seq(0x29);// DSiPON
- 	msleep (100);