feat: ui

flake.nix

@@ -0,0 +1,48 @@
+{
+  description = "Standalone Codex controller loop framework";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        codex-controller-loop = import ./nix/packages/codex-controller-loop.nix { inherit pkgs; };
+      in
+      {
+        packages = {
+          inherit codex-controller-loop;
+          default = codex-controller-loop;
+        };
+
+        apps = {
+          codex-controller-loop = {
+            type = "app";
+            program = "${codex-controller-loop}/bin/codex-controller-loop";
+          };
+          default = self.apps.${system}.codex-controller-loop;
+        };
+
+        devShells.default = pkgs.mkShell {
+          packages = [
+            pkgs.git
+            pkgs.rustc
+            pkgs.cargo
+            pkgs.clippy
+            pkgs.rustfmt
+            pkgs.rust-analyzer
+          ];
+        };
+      }
+    );
+}