Import impermanance flake.

flake.lock

@@ -303,6 +303,21 @@
         "type": "github"
       }
     },
+    "impermanence-stable-nixos": {
+      "locked": {
+        "lastModified": 1737831083,
+        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -531,6 +546,7 @@
         "disko-stable-nixos": "disko-stable-nixos",
         "home-manager-stable-nixos": "home-manager-stable-nixos",
         "hyprpanel-stable-nixos": "hyprpanel-stable-nixos",
+        "impermanence-stable-nixos": "impermanence-stable-nixos",
         "nix-flatpak-stable-nixos": "nix-flatpak-stable-nixos",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-stable-nixos": "nixpkgs-stable-nixos",