Add nix flake

flake.nix

@@ -0,0 +1,46 @@
+{
+  description = "Inspect - Entity-level code review for AI-assisted development";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    flake-utils.url = "github:numtide/flake-utils";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    rust-overlay,
+    flake-utils,
+    flake-parts,
+    ...
+  } @ inputs: let
+    #
+  in
+    flake-parts.lib.mkFlake {
+      inherit inputs;
+    } {
+      flake = rec {
+      };
+      systems = flake-utils.lib.allSystems;
+      perSystem = {
+        config,
+        self,
+        pkgs,
+        system,
+        ...
+      }: let
+        overlays = [
+          (import rust-overlay)
+        ];
+        pkgs = import nixpkgs {
+          inherit system overlays;
+        };
+      in {
+        devShells.default = pkgs.callPackage ./shell.nix {};
+        packages = {
+          default = pkgs.callPackage ./package.nix {};
+        };
+      };
+    };
+}

package.nix

@@ -0,0 +1,36 @@
+{
+  pkgs ? import <nixpkgs> {},
+  lib,
+  ...
+}:
+pkgs.rustPlatform.buildRustPackage rec {
+  pname = "inspect";
+  version = let
+    crate_name = pname + "-cli";
+  in
+    (builtins.fromTOML (lib.readFile "${src}/crates/${crate_name}/Cargo.toml")).package.version;
+
+  src = ./.;
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = { };
+  };
+
+  # disable tests
+  checkType = "debug";
+  doCheck = false;
+
+  nativeBuildInputs = with pkgs; [
+    installShellFiles
+    pkg-config
+
+    llvmPackages.clang
+    clang
+  ];
+  buildInputs = with pkgs; [
+    openssl
+    pkg-config
+
+    (rust-bin.stable.latest.default)
+  ];
+}

shell.nix

@@ -0,0 +1,10 @@
+{pkgs ? import <nixpkgs> {}}:
+pkgs.mkShell {
+  buildInputs = with pkgs.buildPackages; [
+    openssl
+    pkg-config
+
+    (rust-bin.stable.latest.default)
+    rust-analyzer
+  ];
+}