chore: flatten repository history

flake.nix

@@ -0,0 +1,27 @@
+{
+  description = "gsmol: browser client for Smol Mail — bridge package and NixOS module";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forEachSystem = f: nixpkgs.lib.genAttrs systems (system: f nixpkgs.legacyPackages.${system});
+    in
+    {
+      packages = forEachSystem (pkgs: {
+        default = pkgs.callPackage ./nix/bridge.nix { };
+      });
+
+      apps = forEachSystem (pkgs: {
+        default = {
+          type = "app";
+          program = pkgs.lib.getExe self.packages.${pkgs.stdenv.hostPlatform.system}.default;
+        };
+      });
+
+      # Curried on `self` so the module's default package is drawn from the
+      # `packages` output above rather than a second, driftable copy.
+      nixosModules.default = import ./nix/module.nix self;
+    };
+}