feat(desktop): add zen-browser flake.

flake.lock

@@ -912,6 +912,27 @@
         "type": "github"
       }
     },
+    "home-manager_4": {
+      "inputs": {
+        "nixpkgs": [
+          "zen-browser",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1752603129,
+        "narHash": "sha256-S+wmHhwNQ5Ru689L2Gu8n1OD6s9eU9n9mD827JNR+kw=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "e8c19a3cec2814c754f031ab3ae7316b64da085b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "hyprcursor": {
       "inputs": {
         "hyprlang": [
@@ -2060,7 +2081,8 @@
         "nixpkgs": "nixpkgs_13",
         "nvf": "nvf",
         "stylix": "stylix",
-        "upfast": "upfast"
+        "upfast": "upfast",
+        "zen-browser": "zen-browser"
       }
     },
     "rust-overlay": {
@@ -2549,6 +2571,27 @@
         "repo": "xdg-desktop-portal-hyprland",
         "type": "github"
       }
+    },
+    "zen-browser": {
+      "inputs": {
+        "home-manager": "home-manager_4",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1760588585,
+        "narHash": "sha256-NufqXao2i6d7N1HFKp8hM8XAD8Q6s/zU2wNd065Ybus=",
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "rev": "5a651a6a3bb5c9bd694adbd2c34f55b4abff9a2c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "type": "github"
+      }
     }
   },
   "root": "root",