diff --git a/firmware/app.nix b/firmware/app.nix
index 05f89c5..dd91836 100644
--- a/firmware/app.nix
+++ b/firmware/app.nix
@@ -1,21 +1,25 @@
 { lib, pkgs, config, ... }:
 let
-  configurer = pkgs.substituteAll {
+  configurer = pkgs.replaceVarsWith {
     src = ./configurer.py;
     isExecutable = true;
 
-    python = pkgs.python3.withPackages (ps: with ps; [ pyyaml ]);
-    utilLinux = pkgs.util-linux;
-    wireguardTools = pkgs.wireguard-tools;
-    systemd = config.systemd.package;
-    iwd = config.networking.wireless.iwd.package;
+    replacements = {
+      python = pkgs.python3.withPackages (ps: with ps; [ pyyaml ]);
+      utilLinux = pkgs.util-linux;
+      wireguardTools = pkgs.wireguard-tools;
+      systemd = config.systemd.package;
+      iwd = config.networking.wireless.iwd.package;
+    };
   };
 
-  app = pkgs.substituteAll {
+  app = pkgs.replaceVarsWith {
     src = ./app.py;
     isExecutable = true;
 
-    python = pkgs.python3.withPackages (ps: with ps; [ pyyaml aiohttp ]);
+    replacements = {
+      python = pkgs.python3.withPackages (ps: with ps; [ pyyaml aiohttp ]);
+    };
   };
 in
 {
diff --git a/firmware/default.nix b/firmware/default.nix
index c65a430..faf4c85 100644
--- a/firmware/default.nix
+++ b/firmware/default.nix
@@ -7,8 +7,8 @@ let
     in
     {
       trivial = prev.trivial // {
-        release = "24.08:u-${prev.trivial.release}";
-        codeName = "Alpha";
+        release = "25.05:u-${prev.trivial.release}";
+        codeName = "Beta";
         revisionWithDefault = default: self.rev or default;
         versionSuffix = ".${date}.${revCode self}:u-${revCode inputs.nixpkgs}";
       };
diff --git a/flake.lock b/flake.lock
index 80e3dc8..73ad89a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,30 +2,28 @@
   "nodes": {
     "cachix": {
       "inputs": {
-        "devenv": "devenv_2",
+        "devenv": [
+          "devenv"
+        ],
         "flake-compat": [
-          "devenv",
-          "flake-compat"
+          "devenv"
         ],
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
+        "git-hooks": [
+          "devenv"
         ],
-        "pre-commit-hooks": [
-          "devenv",
-          "pre-commit-hooks"
-        ]
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1712055811,
-        "narHash": "sha256-7FcfMm5A/f02yyzuavJe06zLa9hcMHsagE28ADcmQvk=",
+        "lastModified": 1742042642,
+        "narHash": "sha256-D0gP8srrX0qj+wNYNPdtVJsQuFzIng3q43thnHXQ/es=",
         "owner": "cachix",
         "repo": "cachix",
-        "rev": "02e38da89851ec7fec3356a5c04bc8349cae0e30",
+        "rev": "a624d3eaf4b1d225f918de8543ed739f2f574203",
         "type": "github"
       },
       "original": {
         "owner": "cachix",
+        "ref": "latest",
         "repo": "cachix",
         "type": "github"
       }
@@ -33,54 +31,23 @@
     "devenv": {
       "inputs": {
         "cachix": "cachix",
-        "flake-compat": "flake-compat_2",
-        "nix": "nix_2",
+        "flake-compat": "flake-compat",
+        "git-hooks": "git-hooks",
+        "nix": "nix",
         "nixpkgs": [
           "nixpkgs"
-        ],
-        "pre-commit-hooks": "pre-commit-hooks"
-      },
-      "locked": {
-        "lastModified": 1724763216,
-        "narHash": "sha256-oW2bwCrJpIzibCNK6zfIDaIQw765yMAuMSG2gyZfGv0=",
-        "owner": "cachix",
-        "repo": "devenv",
-        "rev": "1e4ef61205b9aa20fe04bf1c468b6a316281c4f1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "devenv",
-        "type": "github"
-      }
-    },
-    "devenv_2": {
-      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "cachix",
-          "flake-compat"
-        ],
-        "nix": "nix",
-        "nixpkgs": "nixpkgs",
-        "poetry2nix": "poetry2nix",
-        "pre-commit-hooks": [
-          "devenv",
-          "cachix",
-          "pre-commit-hooks"
         ]
       },
       "locked": {
-        "lastModified": 1708704632,
-        "narHash": "sha256-w+dOIW60FKMaHI1q5714CSibk99JfYxm0CzTinYWr+Q=",
+        "lastModified": 1746423062,
+        "narHash": "sha256-BgiRweL6nMjeO2BQgnOyIquuviybI4S8Nc8r9hYjcBc=",
         "owner": "cachix",
         "repo": "devenv",
-        "rev": "2ee4450b0f4b95a1b90f2eb5ffea98b90e48c196",
+        "rev": "aba5cf8412827fdb637fceb2c305d10fcea907c6",
         "type": "github"
       },
       "original": {
         "owner": "cachix",
-        "ref": "python-rewrite",
         "repo": "devenv",
         "type": "github"
       }
@@ -88,27 +55,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "lastModified": 1733328505,
+        "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-compat_2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
         "type": "github"
       },
       "original": {
@@ -118,15 +69,37 @@
       }
     },
     "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "devenv",
+          "nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1712014858,
+        "narHash": "sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm+GpZNw=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "9126214d0a59633752a136528f5f3b9aa8565b7d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_2": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1725024810,
-        "narHash": "sha256-ODYRm8zHfLTH3soTFWE452ydPYz2iTvr9T8ftDMUQ3E=",
+        "lastModified": 1743550720,
+        "narHash": "sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "af510d4a62d071ea13925ce41c95e3dec816c01d",
+        "rev": "c621e8422220273271f52058f618c94e405bb0f5",
         "type": "github"
       },
       "original": {
@@ -135,39 +108,28 @@
         "type": "github"
       }
     },
-    "flake-utils": {
+    "git-hooks": {
       "inputs": {
-        "systems": "systems"
+        "flake-compat": [
+          "devenv"
+        ],
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "lastModified": 1742649964,
+        "narHash": "sha256-DwOTp7nvfi8mRfuL1escHDXabVXFGT1VlPD1JHrtrco=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "dcf5072734cb576d2b0c59b2ac44f5050b5eac82",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
         "type": "github"
       }
     },
@@ -175,7 +137,7 @@
       "inputs": {
         "nixpkgs": [
           "devenv",
-          "pre-commit-hooks",
+          "git-hooks",
           "nixpkgs"
         ]
       },
@@ -195,11 +157,11 @@
     },
     "impermanence": {
       "locked": {
-        "lastModified": 1724489415,
-        "narHash": "sha256-ey8vhwY/6XCKoh7fyTn3aIQs7WeYSYtLbYEG87VCzX4=",
+        "lastModified": 1737831083,
+        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
         "owner": "nix-community",
         "repo": "impermanence",
-        "rev": "c7f5b394397398c023000cf843986ee2571a1fd7",
+        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
         "type": "github"
       },
       "original": {
@@ -208,166 +170,109 @@
         "type": "github"
       }
     },
+    "libgit2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1697646580,
+        "narHash": "sha256-oX4Z3S9WtJlwvj0uH9HlYcWv+x1hqp8mhXl7HsLu2f0=",
+        "owner": "libgit2",
+        "repo": "libgit2",
+        "rev": "45fd9ed7ae1a9b74b957ef4f337bc3c8b3df01b5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "libgit2",
+        "repo": "libgit2",
+        "type": "github"
+      }
+    },
     "nix": {
       "inputs": {
-        "flake-compat": "flake-compat",
-        "nixpkgs": [
-          "devenv",
-          "cachix",
-          "devenv",
-          "nixpkgs"
+        "flake-compat": [
+          "devenv"
         ],
-        "nixpkgs-regression": "nixpkgs-regression"
-      },
-      "locked": {
-        "lastModified": 1712911606,
-        "narHash": "sha256-BGvBhepCufsjcUkXnEEXhEVjwdJAwPglCC2+bInc794=",
-        "owner": "domenkozar",
-        "repo": "nix",
-        "rev": "b24a9318ea3f3600c1e24b4a00691ee912d4de12",
-        "type": "github"
-      },
-      "original": {
-        "owner": "domenkozar",
-        "ref": "devenv-2.21",
-        "repo": "nix",
-        "type": "github"
-      }
-    },
-    "nix-github-actions": {
-      "inputs": {
-        "nixpkgs": [
-          "devenv",
-          "cachix",
-          "devenv",
-          "poetry2nix",
-          "nixpkgs"
+        "flake-parts": "flake-parts",
+        "libgit2": "libgit2",
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-23-11": [
+          "devenv"
+        ],
+        "nixpkgs-regression": [
+          "devenv"
+        ],
+        "pre-commit-hooks": [
+          "devenv"
         ]
       },
       "locked": {
-        "lastModified": 1688870561,
-        "narHash": "sha256-4UYkifnPEw1nAzqqPOTL2MvWtm3sNGw1UTYTalkTcGY=",
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "rev": "165b1650b753316aa7f1787f3005a8d2da0f5301",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "type": "github"
-      }
-    },
-    "nix_2": {
-      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ],
-        "nixpkgs-regression": "nixpkgs-regression_2"
-      },
-      "locked": {
-        "lastModified": 1712911606,
-        "narHash": "sha256-BGvBhepCufsjcUkXnEEXhEVjwdJAwPglCC2+bInc794=",
+        "lastModified": 1745930071,
+        "narHash": "sha256-bYyjarS3qSNqxfgc89IoVz8cAFDkF9yPE63EJr+h50s=",
         "owner": "domenkozar",
         "repo": "nix",
-        "rev": "b24a9318ea3f3600c1e24b4a00691ee912d4de12",
+        "rev": "b455edf3505f1bf0172b39a735caef94687d0d9c",
         "type": "github"
       },
       "original": {
         "owner": "domenkozar",
-        "ref": "devenv-2.21",
+        "ref": "devenv-2.24",
         "repo": "nix",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1692808169,
-        "narHash": "sha256-x9Opq06rIiwdwGeK2Ykj69dNc2IvUH1fY55Wm7atwrE=",
+        "lastModified": 1733212471,
+        "narHash": "sha256-M1+uCoV5igihRfcUKrr1riygbe73/dzNnzPsmaLCmpo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9201b5ff357e781bf014d0330d18555695df7ba8",
+        "rev": "55d15ad12a74eb7d4646254e13638ad0c4128776",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1722555339,
-        "narHash": "sha256-uFf2QeW7eAHlYXuDktm9c25OxOyCoUOQmh5SZ9amE5Q=",
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/a5d394176e64ab29c852d03346c1fc9b0b7d33eb.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/a5d394176e64ab29c852d03346c1fc9b0b7d33eb.tar.gz"
-      }
-    },
-    "nixpkgs-regression": {
-      "locked": {
-        "lastModified": 1643052045,
-        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "lastModified": 1743296961,
+        "narHash": "sha256-b1EdN3cULCqtorQ4QeWgLMrd5ZGOjLSLemfa00heasc=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "e4822aea2a6d1cdd36653c134cacfd64c97ff4fa",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
-        "type": "github"
-      }
-    },
-    "nixpkgs-regression_2": {
-      "locked": {
-        "lastModified": 1643052045,
-        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
-        "type": "github"
-      }
-    },
-    "nixpkgs-stable": {
-      "locked": {
-        "lastModified": 1710695816,
-        "narHash": "sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "614b4613980a522ba49f0d194531beddbb7220d3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-23.11",
-        "repo": "nixpkgs",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
         "type": "github"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1725067332,
-        "narHash": "sha256-bMi5zhDwR6jdmN5mBHEu9gQQf9CibIEasA/6mc34Iek=",
+        "lastModified": 1717432640,
+        "narHash": "sha256-+f9c4/ZX5MWDOuB1rKoWj+lBNm0z0rs4CK47HBLxy1o=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "192e7407cc66e2eccc3a6c5ad3834dd62fae3800",
+        "rev": "88269ab3044128b7c2f4c7d68448b2fb50456870",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "release-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1746332716,
+        "narHash": "sha256-VBmKSkmw9PYBCEGhBKzORjx+nwNZkPZyHcUHE21A/ws=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6b1c028bce9c89e9824cde040d6986d428296055",
         "type": "github"
       },
       "original": {
@@ -375,65 +280,12 @@
         "type": "indirect"
       }
     },
-    "poetry2nix": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nix-github-actions": "nix-github-actions",
-        "nixpkgs": [
-          "devenv",
-          "cachix",
-          "devenv",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1692876271,
-        "narHash": "sha256-IXfZEkI0Mal5y1jr6IRWMqK8GW2/f28xJenZIPQqkY0=",
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "rev": "d5006be9c2c2417dafb2e2e5034d83fabd207ee3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "poetry2nix",
-        "type": "github"
-      }
-    },
-    "pre-commit-hooks": {
-      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "flake-utils": "flake-utils_2",
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ],
-        "nixpkgs-stable": "nixpkgs-stable"
-      },
-      "locked": {
-        "lastModified": 1713775815,
-        "narHash": "sha256-Wu9cdYTnGQQwtT20QQMg7jzkANKQjwBD9iccfGKkfls=",
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "rev": "2ac4dcbf55ed43f3be0bae15e181f08a57af24a4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "devenv": "devenv",
-        "flake-parts": "flake-parts",
+        "flake-parts": "flake-parts_2",
         "impermanence": "impermanence",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "rootdir": "rootdir"
       }
     },
@@ -448,36 +300,6 @@
         "type": "file",
         "url": "file:///dev/null"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
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