Enable zen-browser, flake update.

flake.lock

@@ -65,6 +65,27 @@
         "type": "github"
       }
     },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "zen-browser-stable-nixos",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1743604125,
+        "narHash": "sha256-ZD61DNbsBt1mQbinAaaEqKaJk2RFo9R/j+eYWeGMx7A=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "180fd43eea296e62ae68e079fcf56aba268b9a1a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -230,7 +251,8 @@
         "nix-flatpak-stable-nixos": "nix-flatpak-stable-nixos",
         "nixpkgs": "nixpkgs",
         "nixpkgs-stable-nixos": "nixpkgs-stable-nixos",
-        "nixverse": "nixverse"
+        "nixverse": "nixverse",
+        "zen-browser-stable-nixos": "zen-browser-stable-nixos"
       }
     },
     "treefmt-nix": {
@@ -254,6 +276,27 @@
         "repo": "treefmt-nix",
         "type": "github"
       }
+    },
+    "zen-browser-stable-nixos": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1751161919,
+        "narHash": "sha256-t08tIneq3fcA2eRZVMR6Kt1MCJHpPwc+5pDHGVOJUbA=",
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "rev": "0210fe94de8d6825ceb15249bf03840c8ca44e2b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "type": "github"
+      }
     }
   },
   "root": "root",

nodes/hosts/common/configuration.nix

@@ -7,6 +7,7 @@
     ./programs/git.nix
     ./programs/kde.nix
     ./programs/steam.nix
+    ./programs/zen-browser.nix
     ./scripts/upgrade-diff.nix
     ./services/cups.nix
     ./services/desktopmanager.nix