{
  inputs,
  system,
  ...
}: let
  pkgs = inputs.nixpkgs.legacyPackages.${system};
in {
  # Skills — composed from custom + external sources
  xdg.configFile."opencode/skills".source = inputs.agents.lib.mkOpencodeSkills {
    inherit pkgs;
    customSkills = "${inputs.agents}/skills";
    externalSkills = [
      {
        src = inputs.skills-anthropic;
        selectSkills = ["docx" "frontend-design" "mcp-builder" "pdf" "mcp-builder"];
      }
      {
        src = inputs.skills-basecamp;
      }
      {
        src = inputs.skills-kestra;
      }
    ];
  };

  # Other config — symlinked directly
  xdg.configFile."opencode/context".source = "${inputs.agents}/context";
  xdg.configFile."opencode/commands".source = "${inputs.agents}/commands";
  xdg.configFile."opencode/prompts".source = "${inputs.agents}/prompts";

  programs.opencode = {
    enable = true;
    enableMcpIntegration = true;
    settings = {
      theme = "opencode";
      plugin = ["oh-my-opencode" "opencode-antigravity-auth@beta"];
      agent =
        builtins.fromJSON
        (builtins.readFile "${inputs.agents}/agents/agents.json");
      formatter = {
        alejandra = {
          command = ["alejandra" "-q" "-"];
          extensions = [".nix"];
        };
      };
      provider = {
        litellm = {
          npm = "@ai-sdk/openai-compatible";
          name = "LiteLLM (AZ-Gruppe)";
          options.baseURL = "https://llm.az-gruppe.com/v1";
          models = {
            "gpt-5.2" = {
              name = "GPT-5.2";
              limit = {
                context = 200000;
                output = 16384;
              };
              modalities = {
                input = ["text" "image"];
                output = ["text"];
              };
            };
            "claude-sonnet-4-6" = {
              name = "Claude Sonnet 4.6";
              limit = {
                context = 200000;
                output = 16000;
              };
              modalities = {
                input = ["text" "image"];
                output = ["text"];
              };
            };
            "claude-opus-4-6" = {
              name = "Claude Opus 4.6";
              limit = {
                context = 200000;
                output = 32000;
              };
              modalities = {
                input = ["text" "image"];
                output = ["text"];
              };
            };
          };
        };
      };
    };
  };

  home.file.".config/opencode/oh-my-opencode.json".text = builtins.toJSON {
    "$schema" = "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json";
    # google_auth removed - use opencode-antigravity-auth plugin instead (already in plugin array)
    agents = {
      sisyphus = {model = "zai-coding-plan/glm-5";};
      oracle = {model = "zai-coding-plan/glm-5";};
      librarian = {model = "zai-coding-plan/glm-5";};
      explore = {model = "zai-coding-plan/glm-4.5-air";};
      multimodal-looker = {model = "zai-coding-plan/glm-4.6v";};
      prometheus = {model = "zai-coding-plan/glm-5";};
      metis = {model = "zai-coding-plan/glm-5";};
      momus = {model = "zai-coding-plan/glm-5";};
      atlas = {model = "zai-coding-plan/glm-5";};
    };
    categories = {
      visual-engineering = {model = "zai-coding-plan/glm-5";};
      ultrabrain = {model = "zai-coding-plan/glm-5";};
      artistry = {model = "zai-coding-plan/glm-5";};
      quick = {model = "zai-coding-plan/glm-5";};
      unspecified-low = {model = "zai-coding-plan/glm-5";};
      unspecified-high = {model = "zai-coding-plan/glm-5";};
      writing = {model = "zai-coding-plan/glm-5";};
    };
    disabled_mcps = ["context7" "websearch"];
    disabled_hooks = ["comment-checker"];
    git_master = {
      commit_footer = false;
      include_co_authored_by = false;
    };
    experimental = {
      truncate_all_tool_outputs = true;
      aggressive_truncation = false;
    };
  };
}