fix error

flake.lock

@@ -20,7 +20,9 @@
     },
     "home-manager": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
         "lastModified": 1758463745,
@@ -37,21 +39,6 @@
         "type": "github"
       }
     },
-    "impermanence": {
-      "locked": {
-        "lastModified": 1737831083,
-        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
-        "owner": "nix-community",
-        "repo": "impermanence",
-        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "impermanence",
-        "type": "github"
-      }
-    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1760958188,
@@ -101,38 +88,6 @@
       }
     },
     "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1761173472,
-        "narHash": "sha256-m9W0dYXflzeGgKNravKJvTMR4Qqa2MVD11AwlGMufeE=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "c8aa8cc00a5cb57fada0851a038d35c08a36a2bb",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-25.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1760596604,
-        "narHash": "sha256-J/i5K6AAz/y5dBePHQOuzC7MbhyTOKsd/GLezSbEFiM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "3cbe716e2346710d6e1f7c559363d14e11c32a43",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_4": {
       "locked": {
         "lastModified": 1759036355,
         "narHash": "sha256-0m27AKv6ka+q270dw48KflE0LwQYrO7Fm4/2//KCVWg=",
@@ -151,32 +106,12 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
-        "impermanence": "impermanence",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
-        "sops-nix": "sops-nix",
         "vicinae": "vicinae"
       }
     },
-    "sops-nix": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_3"
-      },
-      "locked": {
-        "lastModified": 1760998189,
-        "narHash": "sha256-ee2e1/AeGL5X8oy/HXsZQvZnae6XfEVdstGopKucYLY=",
-        "owner": "Mic92",
-        "repo": "sops-nix",
-        "rev": "5a7d18b5c55642df5c432aadb757140edfeb70b3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "Mic92",
-        "repo": "sops-nix",
-        "type": "github"
-      }
-    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
@@ -195,7 +130,7 @@
     "vicinae": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_2"
       },
       "locked": {
         "lastModified": 1761455154,