feat: add haivemind package

packages/haivemind/package.nix

@@ -0,0 +1,52 @@
+{
+  lib,
+  fetchFromGitHub,
+  python3Packages,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "haivemind";
+  version = "0.1.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "dev-boz";
+    repo = "haivemind";
+    rev = "ce4a0437d41f57638b71a17e2ff3af524d5a1b6e";
+    hash = "sha256-x7NM2wHwi11i07jHTL9NgYJkzzlP+tOmJy027itRtWs=";
+  };
+
+  build-system = with python3Packages; [
+    setuptools
+  ];
+
+  dependencies = with python3Packages; [
+    textual
+  ];
+
+  doCheck = false;
+  pythonImportsCheck = [
+    "haivemind"
+    "haivemind_tui"
+    "haivemind_curses"
+  ];
+
+  passthru = {
+    category = "AI Coding Agents";
+    updateScript = [
+      "nix-update"
+      "--flake"
+      ".#haivemind"
+      "--version=branch=main"
+    ];
+  };
+
+  meta = with lib; {
+    description = "Multi-model AI consensus, aggregation, and fusion runner for popular AI CLIs";
+    homepage = "https://github.com/dev-boz/haivemind";
+    changelog = "https://github.com/dev-boz/haivemind/commits/main";
+    license = licenses.mit;
+    mainProgram = "haivemind";
+    platforms = platforms.all;
+  };
+}