nixos-configs/home/roles/development/default.nix

{ config, lib, pkgs, globalInputs, system, ... }:

with lib;

let
  cfg = config.home.roles.development;

  # Fetch the claude-plugins repository (for humanlayer commands/agents)
  # Update the rev to get newer versions of the commands
  claudePluginsRepo = builtins.fetchGit {
    url = "https://github.com/jeffh/claude-plugins.git";
    # To update: change this to the latest commit hash
    # You can find the latest commit at: https://github.com/jeffh/claude-plugins/commits/main
    rev = "5e3e4d937162185b6d78c62022cbfd1c8ad42c4c";
    ref = "main";
  };

  # Beads repository is available via globalInputs.beads from the flake
  beadsRepo = globalInputs.beads;
in
{
  options.home.roles.development = {
    enable = mkEnableOption "Enable development tools and utilities";

    allowArbitraryClaudeCodeModelSelection = mkOption {
      type = types.bool;
      default = false;
      description = ''
        Whether to preserve model specifications in Claude Code humanlayer commands and agents.

        When false (default), the model: line is stripped from frontmatter, allowing Claude Code
        to use its default model selection.

        When true, the model: specifications from the source files are preserved, allowing
        commands to specify opus/sonnet/haiku explicitly.
      '';
    };
  };

  config = mkIf cfg.enable {
    home.packages = [
      globalInputs.beads.packages.${system}.default
      pkgs.unstable.claude-code
      pkgs.unstable.claude-code-router
      pkgs.unstable.codex

      # Custom packages
      pkgs.custom.tea-rbw
    ];

    # Install Claude Code humanlayer command and agent plugins
    home.activation.claudeCodeCommands = lib.hm.dag.entryAfter ["writeBoundary"] ''
      # Clean up old plugin-installed commands and agents to avoid duplicates
      rm -f ~/.claude/commands/humanlayer:* 2>/dev/null || true
      rm -f ~/.claude/agents/humanlayer:* 2>/dev/null || true

      # Create directories if they don't exist
      mkdir -p ~/.claude/commands
      mkdir -p ~/.claude/agents

      # Copy all humanlayer command files and remove model specifications
      for file in ${claudePluginsRepo}/humanlayer/commands/*.md; do
        if [ -f "$file" ]; then
          filename=$(basename "$file" .md)
          dest="$HOME/.claude/commands/humanlayer:''${filename}.md"

          # Copy file and conditionally remove the "model:" line from frontmatter
          ${if cfg.allowArbitraryClaudeCodeModelSelection
            then "cp \"$file\" \"$dest\""
            else "${pkgs.gnused}/bin/sed '/^model:/d' \"$file\" > \"$dest\""
          }
        fi
      done

      # Copy all humanlayer agent files and remove model specifications
      for file in ${claudePluginsRepo}/humanlayer/agents/*.md; do
        if [ -f "$file" ]; then
          filename=$(basename "$file" .md)
          dest="$HOME/.claude/agents/humanlayer:''${filename}.md"

          # Copy file and conditionally remove the "model:" line from frontmatter
          ${if cfg.allowArbitraryClaudeCodeModelSelection
            then "cp \"$file\" \"$dest\""
            else "${pkgs.gnused}/bin/sed '/^model:/d' \"$file\" > \"$dest\""
          }
        fi
      done

      $DRY_RUN_CMD echo "Claude Code humanlayer commands and agents installed successfully${
        if cfg.allowArbitraryClaudeCodeModelSelection
        then " (model specifications preserved)"
        else " (model selection removed)"
      }"
    '';

    # Install beads Claude plugin as a marketplace
    home.activation.claudeCodeBeadsPlugin = lib.hm.dag.entryAfter ["writeBoundary" "claudeCodeCommands"] ''
      # Create plugin directories
      mkdir -p ~/.claude/plugins/marketplaces
      mkdir -p ~/.claude/plugins/repos

      # Remove old beads marketplace if it exists (to ensure clean update)
      rm -rf ~/.claude/plugins/marketplaces/beads-marketplace

      # Copy beads repository to marketplaces directory
      # Using cp -r because the source is a Nix store path (read-only)
      cp -r ${beadsRepo} ~/.claude/plugins/marketplaces/beads-marketplace
      chmod -R u+w ~/.claude/plugins/marketplaces/beads-marketplace

      # Update known_marketplaces.json to include beads-marketplace
      KNOWN_MARKETPLACES="$HOME/.claude/plugins/known_marketplaces.json"
      if [ ! -f "$KNOWN_MARKETPLACES" ]; then
        echo '{}' > "$KNOWN_MARKETPLACES"
      fi

      # Add beads-marketplace entry using jq (merge with existing)
      ${pkgs.jq}/bin/jq --arg installPath "$HOME/.claude/plugins/marketplaces/beads-marketplace" \
        '. + {"beads-marketplace": {
          "source": {"source": "github", "repo": "steveyegge/beads"},
          "installLocation": $installPath,
          "lastUpdated": (now | strftime("%Y-%m-%dT%H:%M:%S.000Z"))
        }}' "$KNOWN_MARKETPLACES" > "$KNOWN_MARKETPLACES.tmp" && mv "$KNOWN_MARKETPLACES.tmp" "$KNOWN_MARKETPLACES"

      # Update config.json to install the beads plugin
      CONFIG_JSON="$HOME/.claude/plugins/config.json"
      if [ ! -f "$CONFIG_JSON" ]; then
        echo '{"repositories": {}}' > "$CONFIG_JSON"
      fi

      # Add beads to installed repositories
      ${pkgs.jq}/bin/jq --arg installPath "$HOME/.claude/plugins/marketplaces/beads-marketplace" \
        '.repositories["beads-marketplace/beads"] = {
          "source": {"source": "marketplace", "marketplace": "beads-marketplace", "plugin": "beads"},
          "installLocation": $installPath,
          "installedAt": (now | strftime("%Y-%m-%dT%H:%M:%S.000Z"))
        }' "$CONFIG_JSON" > "$CONFIG_JSON.tmp" && mv "$CONFIG_JSON.tmp" "$CONFIG_JSON"

      $DRY_RUN_CMD echo "Claude Code beads plugin installed successfully"
    '';

    # Note: modules must be imported at top-level home config
  };
}