feat(hipengine): add ROCm-native LLM inference engine (v0.2.2)

packages/hipengine/default.nix

@@ -0,0 +1,2 @@
+{ pkgs, ... }:
+pkgs.callPackage ./package.nix { }

packages/hipengine/package.nix

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+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "hipengine";
+  version = "0.2.2";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "shisa-ai";
+    repo = "hipEngine";
+    rev = "v${version}";
+    hash = "sha256-ljgXDQfUTx64i1+yAKFE13GkcE9AE+1YICfSScQ9nuA=";
+  };
+
+  build-system = with python3Packages; [
+    hatchling
+  ];
+
+  dependencies = with python3Packages; [
+    fastapi
+    jinja2
+    numpy
+    safetensors
+    tokenizers
+    uvicorn
+  ];
+
+  doCheck = false;
+  pythonImportsCheck = [ "hipengine" ];
+
+  passthru = {
+    category = "AI Inference";
+    updateScript = [
+      "nix-update"
+      "--flake"
+      ".#hipengine"
+    ];
+  };
+
+  meta = {
+    description = "ROCm-native local LLM inference engine with a torch-free runtime hot path for AMD RDNA GPUs";
+    homepage = "https://github.com/shisa-ai/hipEngine";
+    changelog = "https://github.com/shisa-ai/hipEngine/releases/tag/v${version}";
+    license = lib.licenses.agpl3Plus;
+    platforms = lib.platforms.linux;
+    mainProgram = "hipengine-server";
+  };
+}