Fix stinky build.

hosts/stinky/default.nix

@@ -7,16 +7,19 @@
 {
   imports = [
     ../../common/global
-    ../../common/impermanence-tmpfs.nix  # Use tmpfs root with /nix/persist
+    ../../common/impermanence-common.nix  # Impermanence with custom root config (see hardware.nix)
     ../../common/resource-limits.nix
     ../../common/sshd.nix
     ../../common/user-ppetru.nix
-    ../../common/systemd-boot.nix
+    # Note: No systemd-boot.nix - Raspberry Pi uses generic-extlinux-compatible (from sd-image module)
     ./hardware.nix
   ];
 
   networking.hostName = "stinky";
 
+  # Configure impermanence for tmpfs root (filesystem config in hardware.nix)
+  custom.impermanence.persistPath = "/nix/persist";
+
   # Tailscale configuration
   services.tailscaleAutoconnect.authkey = "PLACEHOLDER"; # Will be set in secrets
 
@@ -35,7 +38,7 @@
 
   environment.systemPackages = with pkgs; [
     libcamera
-    raspberrypi-tools
+    libraspberrypi
   ];
 
   # Firewall: Allow access to OctoPrint
@@ -43,5 +46,6 @@
     5000  # OctoPrint
   ];
 
-  system.stateVersion = "25.05";
+  # Override global default (stinky is a new system with 25.05)
+  system.stateVersion = lib.mkForce "25.05";
 }