cleanup and styling with nix-rice

flake.lock

@@ -1036,6 +1036,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-stable_4": {
+      "locked": {
+        "lastModified": 1738843498,
+        "narHash": "sha256-7x+Q4xgFj9UxZZO9aUDCR8h4vyYut4zPUvfj3i+jBHE=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "f5a32fa27df91dfc4b762671a0e0a859a8a0058f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1708118438,
@@ -1223,6 +1239,7 @@
         "nix-rice": "nix-rice",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_6",
+        "nixpkgs-stable": "nixpkgs-stable_4",
         "paperwm": "paperwm",
         "shikane": "shikane",
         "sops-nix": "sops-nix",