{
  stdenv,
  lib,
  librsvg,
}:

# Branding SVG/PNG family + claude prompts, split out from the rust
# workspace so a tweak here doesn't invalidate the rust cargo cache.
# Rationale + agent-configs PNG rendering: docs/gotchas.md::Split asset
# derivations away from the rust workspace.
#
# Output layout:
#   $out/share/hyperhive/branding/{hyperhive,agent-configs}.{svg,png}
#   $out/share/hyperhive/prompts/{system.md, claude-settings.json}
#   $out/share/hyperhive/docs/        — the repo docs/ tree

stdenv.mkDerivation {
  pname = "hyperhive-assets";
  version = "0.1.0";
  # Narrow `srcs` (branding/ + hive-ag3nt/prompts/ + docs/) is what
  # decouples this derivation's input hash from the rest of the tree.
  # Including docs/ surfaces the reference docs in-container at
  # `$HIVE_ASSETS_DIR/docs/` (no host mount, pulled from the nix store);
  # a docs/ edit re-hashes this asset, the accepted tradeoff for shipping
  # the docs declaratively.
  srcs = [
    ../branding
    ../hive-ag3nt/prompts
    ../docs
  ];
  unpackPhase = ''
    runHook preUnpack
    cp -r ${../branding} branding
    cp -r ${../hive-ag3nt/prompts} prompts
    cp -r ${../docs} docs
    chmod -R u+w branding prompts docs
    runHook postUnpack
  '';

  nativeBuildInputs = [ librsvg ];

  # 300×300 matches branding/hyperhive.png — the size Forgejo's avatar
  # endpoint accepts without resampling on upload.
  buildPhase = ''
    runHook preBuild
    rsvg-convert --width 300 --height 300 \
      -o branding/agent-configs.png \
      branding/agent-configs.svg
    runHook postBuild
  '';

  installPhase = ''
    runHook preInstall
    mkdir -p $out/share/hyperhive
    cp -r branding $out/share/hyperhive/branding
    cp -r prompts $out/share/hyperhive/prompts
    cp -r docs $out/share/hyperhive/docs
    runHook postInstall
  '';

  # Pure data — no executables to fixup, no shared libs to patchelf.
  dontFixup = true;

  meta = {
    description = "hyperhive static assets (branding + claude prompts + docs)";
    homepage = "https://forge.darkest.space/hyperhive/hyperhive";
    license = lib.licenses.mit;
  };
}