add: dev environment greetings

Author: lessuselesss

flake.nix

@@ -1,8 +1,8 @@
 {
-  description = "Eliza - An extensible AI agent framework";
+  description = "Eliza - AI Agents for Everyone";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
     flake-utils.url = "github:numtide/flake-utils";
   };
 
@@ -14,67 +14,63 @@
     flake-utils.lib.eachDefaultSystem (
       system: let
         pkgs = nixpkgs.legacyPackages.${system};
-      in {
-        packages.default = pkgs.buildNpmPackage {
-          pname = "eliza";
-          version = "0.0.1";
-
-          src = ./.;
-
-          npmDepsHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
-
-          nativeBuildInputs = with pkgs; [
-            nodejs_23
-            python3
-            pkg-config
-            nodePackages.pnpm
-          ];
 
+        commonConfig = {
+          version = "0.1.5-alpha.5";
+          src = pkgs.fetchFromGitHub {
+            owner = "ai16z";
+            repo = "eliza";
+            rev = "v0.1.5-alpha.5";
+            hash = "sha256-DjeDUBuflP2wPrBuy0uzu4Jm3IhwBQrYe2KDLaigElM=";
+          };
           buildInputs = with pkgs; [
-            vips
-            ffmpeg
+            nodejs_23
+            pnpm
           ];
-
-          # Use pnpm instead of npm
-          npmPackageManager = "pnpm";
-
-          # Generate package-lock.json for Nix build
-          preBuildPhase = ''
-            export HOME=$(mktemp -d)
-            pnpm install --frozen-lockfile
-          '';
-
-          buildPhase = ''
-            pnpm run build
-          '';
-
-          installPhase = ''
-            mkdir -p $out/bin $out/lib
-            cp -r packages/core/dist/* $out/lib/
-            cat > $out/bin/eliza <<EOF
-            #!/bin/sh
-            exec ${pkgs.nodejs_23}/bin/node $out/lib/index.js "\$@"
-            EOF
-            chmod +x $out/bin/eliza
-          '';
         };
-
+      in {
         devShell = pkgs.mkShell {
-          buildInputs = with pkgs; [
-            nodejs_23
-            python3
-            pkg-config
-            nodePackages.pnpm
-            vips
-            ffmpeg
-            nodePackages.typescript
-            nodePackages.typescript-language-server
-          ];
-
+          buildInputs = commonConfig.buildInputs;
           shellHook = ''
-            export PATH="$PWD/node_modules/.bin:$PATH"
+            echo "🤖 Welcome to Eliza Development Environment 🚀"
+            echo ""
+            echo "Quick Start:"
+            echo "  pnpm i          - Install dependencies (run after pulling new changes)"
+            echo "  pnpm build      - Build all packages"
+            echo "  pnpm clean      - Clean build artifacts (run if you encounter issues)"
+            echo ""
+            echo "For more information, visit: https://ai16z.github.io/eliza/"
+            echo ""
           '';
         };
+
+        packages = {
+          eliza = pkgs.stdenv.mkDerivation (commonConfig
+            // {
+              pname = "eliza";
+              buildPhase = ''
+                # Install dependencies and build the project
+                pnpm i
+                pnpm build
+              '';
+              installPhase = ''
+                # Copy built files to the output directory
+                mkdir -p $out/bin
+                cp -r dist/* $out/bin/
+              '';
+              meta = with pkgs.lib; {
+                description = "Autonomous agents for everyone";
+                homepage = "https://github.com/ai16z/eliza";
+                changelog = "https://github.com/ai16z/eliza/blob/v${commonConfig.version}/CHANGELOG.md";
+                license = licenses.mit;
+                maintainers = with maintainers; [];
+                mainProgram = "eliza";
+                platforms = platforms.all;
+              };
+            });
+        };
+
+        defaultPackage = self.packages.${system}.eliza;
       }
     );
 }