refactor: reorganize, add package (opencode, osgrep, beads), add ai agent shell

modules/home/rsydn/shell/nushell.nix

@@ -1,122 +0,0 @@
-{ config, pkgs, lib, ... }:
-let
-  profileBin = "${config.home.profileDirectory}/bin";
-  # System binaries path - same on both NixOS and Darwin
-  systemBin = "/run/current-system/sw/bin";
-  defaultBin = "/nix/var/nix/profiles/default/bin";
-  darwinHomebrewDir = if pkgs.stdenv.hostPlatform.isAarch64 then
-    "/opt/homebrew"
-  else
-    "/usr/local";
-  homebrewBin = "${darwinHomebrewDir}/bin";
-  homebrewSbin = "${darwinHomebrewDir}/sbin";
-  homebrewPaths = if pkgs.stdenv.hostPlatform.isDarwin then
-    lib.unique [ homebrewBin homebrewSbin ]
-  else
-    [ ];
-  # Add common macOS system paths that may contain user-installed CLIs
-  macosSystemPaths = if pkgs.stdenv.hostPlatform.isDarwin then [
-    "/usr/local/bin"
-    "/usr/bin"
-    "/bin"
-    "/usr/sbin"
-    "/sbin"
-  ] else
-    [ ];
-  formatPathList = paths:
-    lib.concatMapStrings (path: "      \"${path}\"\n") paths;
-in {
-  imports = [ ./starship ];
-
-  programs.nushell.enable = lib.mkDefault true;
-
-  programs.nushell.extraConfig = ''
-    # Dotfiles QA validation command
-      def dotfiles-qa [] {
-        let dotfiles_dir = "${config.home.homeDirectory}/Development/dotfiles"
-
-        print $"(ansi green_bold)Running dotfiles QA validation...(ansi reset)\n"
-
-        # Step 1: Format check
-        print $"(ansi blue)1. Formatting nix files...(ansi reset)"
-        cd $dotfiles_dir
-        nix fmt .
-        if $env.LAST_EXIT_CODE != 0 {
-          print $"(ansi red_bold)✗ Formatting failed(ansi reset)"
-          return
-        }
-        print $"(ansi green)✓ Formatting complete(ansi reset)\n"
-
-        # Step 2: Flake check
-        print $"(ansi blue)2. Running flake check...(ansi reset)"
-        nix flake check
-        if $env.LAST_EXIT_CODE != 0 {
-          print $"(ansi red_bold)✗ Flake check failed(ansi reset)"
-          return
-        }
-        print $"(ansi green)✓ Flake check passed(ansi reset)\n"
-
-        # Step 3: Build (without activation)
-        print $"(ansi blue)3. Building darwin configuration (no activation)...(ansi reset)"
-        darwin-rebuild build --flake $"($dotfiles_dir)#macbook-pro"
-        if $env.LAST_EXIT_CODE != 0 {
-          print $"(ansi yellow)⚠ Build had warnings, but may still work(ansi reset)\n"
-        } else {
-          print $"(ansi green)✓ Build successful(ansi reset)\n"
-        }
-
-        print $"(ansi green_bold)✓ Core QA checks passed!(ansi reset)"
-      }
-  '';
-
-  programs.nushell.envFile.text = ''
-        # Set XDG Base Directory environment variables
-        $env.XDG_CONFIG_HOME = "${config.xdg.configHome}"
-        $env.XDG_DATA_HOME = "${config.xdg.dataHome}"
-        $env.XDG_CACHE_HOME = "${config.xdg.cacheHome}"
-
-        let nix_paths = [
-    ${formatPathList [ profileBin systemBin defaultBin ]}    ]
-
-        let homebrew_paths = [
-    ${formatPathList homebrewPaths}    ]
-
-        let macos_system_paths = [
-    ${formatPathList macosSystemPaths}    ]
-
-        let path_candidates = ($nix_paths | append $homebrew_paths | append $macos_system_paths | flatten)
-
-        if ($env.PATH? == null) {
-          $env.PATH = $path_candidates
-        } else {
-          for path in $path_candidates {
-            if not ($env.PATH | any {|it| $it == $path}) {
-              $env.PATH = ($env.PATH | append $path)
-            }
-          }
-        }
-
-        $env.NIX_PROFILES = "/run/current-system/sw ${config.home.profileDirectory}"
-
-        # Load sops-managed API keys as environment variables
-        let secrets_dir = "${config.xdg.configHome}/secrets"
-
-        def --env load-secret [secret_name: string, env_var: string] {
-          let secret_file = ($secrets_dir | path join $secret_name)
-          if ($secret_file | path exists) {
-            let secret_value = (open --raw $secret_file | str trim)
-            {} | insert $env_var $secret_value | load-env
-          }
-        }
-
-        load-secret "zai-api-key" "ZAI_API_KEY"
-        load-secret "openai-api-key" "OPENAI_API_KEY"
-        load-secret "openrouter-api-key" "OPENROUTER_API_KEY"
-        load-secret "moonshot-api-key" "MOONSHOT_API_KEY"
-        load-secret "anthropic-api-key" "ANTHROPIC_API_KEY"
-        load-secret "exa-api-key" "EXA_API_KEY"
-        load-secret "fal-api-key" "FAL_API_KEY"
-        load-secret "groq-api-key" "GROQ_API_KEY"
-        load-secret "firecrawl-api-key" "FIRECRAWL_API_KEY"
-  '';
-}