{
  lib,
  stdenv,
  fetchFromGitHub,
  bun,
  nodejs,
}:

let
  version = "0.2.1";

  # Fixed-output derivation to fetch node_modules with network access
  nodeModules = stdenv.mkDerivation {
    name = "opencode-forge-session-title-node-modules-${version}";

    src = fetchFromGitHub {
      owner = "pedropombeiro";
      repo = "opencode-plugins";
      rev = "opencode-forge-session-title-${version}";
      hash = "sha256-47jQaBDfwWIEolVPABG5iH/b+A9UOrauOqMgRGOrxm8=";
    };

    nativeBuildInputs = [
      bun
      nodejs
    ];

    buildPhase = ''
      export HOME=$TMPDIR
      export BUN_INSTALL_CACHE_DIR=$TMPDIR/bun-cache
      # Install from workspace root (no --frozen-lockfile since deps are empty)
      bun install --no-progress
    '';

    installPhase = ''
      mkdir -p $out
      cp -r node_modules $out/
    '';

    dontFixup = true;

    outputHashMode = "recursive";
    outputHashAlgo = "sha256";
    outputHash = "sha256-tKJx5j49wLvfWOyVS+rHgpjEJjrJWt5/xCZYw9erYTs=";
  };
in
stdenv.mkDerivation rec {
  pname = "opencode-forge-session-title";
  inherit version;

  src = fetchFromGitHub {
    owner = "pedropombeiro";
    repo = "opencode-plugins";
    rev = "${pname}-${version}";
    hash = "sha256-47jQaBDfwWIEolVPABG5iH/b+A9UOrauOqMgRGOrxm8=";
  };

  nativeBuildInputs = [
    bun
    nodejs
  ];

  postUnpack = ''
    # Navigate into the package subdirectory
    cd $sourceRoot/packages/forge-session-title
    sourceRoot="."
  '';

  configurePhase = ''
    runHook preConfigure

    export HOME=$TMPDIR
    # Copy pre-fetched node_modules from workspace root
    cd ../..
    cp -r ${nodeModules}/node_modules .
    chmod -R u+w node_modules

    # Patch shebangs
    patchShebangs node_modules/.bin

    # Go back to package directory
    cd packages/forge-session-title

    runHook postConfigure
  '';

  buildPhase = ''
    runHook preBuild

    # Bundle the TypeScript with Bun
    mkdir -p dist
    bun build src/index.ts --outdir dist --target bun --format esm

    runHook postBuild
  '';

  installPhase = ''
    runHook preInstall

    mkdir -p $out/lib/node_modules/${pname}
    cp -r dist package.json $out/lib/node_modules/${pname}/
    cp README.md $out/lib/node_modules/${pname}/ 2>/dev/null || true

    runHook postInstall
  '';

  meta = {
    description = "Session title plugin for OpenCode Forge";
    homepage = "https://github.com/pedropombeiro/opencode-plugins";
    license = lib.licenses.mit;
  };
}