Update shell.nix to use NixOS 24.11 and update cram to prsyk

shell.nix

@@ -1,31 +1,58 @@
-with (import <nixpkgs> {});
-
 let
-  extra_deps = if stdenv.isDarwin then [
-    darwin.apple_sdk.frameworks.Security
-  ] else [];
-  pkgs = import ( fetchTarball {
-      name = "nixos-21.11";
-      url =  "https://github.com/NixOS/nixpkgs/archive/refs/tags/21.11.tar.gz";
-      # Hash obtained using `nix-prefetch-url --unpack <url>`
-      sha256 = "162dywda2dvfj1248afxc45kcrg83appjd0nmdb541hl7rnncf02";
+  pkgs = import (fetchTarball {
+    name = "nixos-24.11";
+    url = "https://github.com/NixOS/nixpkgs/archive/refs/tags/24.11.tar.gz";
+    # Hash obtained using `nix-prefetch-url --unpack <url>`
+    sha256 = "1250a3g9g4id46h9ysy5xfqnjf0yb2mfai366pyj5y2bzb8x0i2l";
   }) {};
-  rust_channel = nixpkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain;
+
+  # Handle darwin-specific dependencies properly
+  extra_deps = if pkgs.stdenv.isDarwin then [
+    pkgs.darwin.apple_sdk.frameworks.Security
+    pkgs.darwin.apple_sdk.frameworks.CoreFoundation
+    pkgs.darwin.apple_sdk.frameworks.SystemConfiguration
+  ] else [];
+
+  # Python with packages needed for prysk
+  pythonWithPackages = pkgs.python3.withPackages (ps: with ps; [
+    pip
+    setuptools
+    wheel
+  ]);
 in
-   pkgs.mkShell {
-     buildInputs = [
-       pkgs.git
-       pkgs.tree
-       pkgs.cargo
-       pkgs.rustc
-       pkgs.trunk
-       pkgs.rustfmt
-       pkgs.libiconv
-       pkgs.openssl.dev
-       pkgs.pkgconfig
-       pkgs.python39Packages.cram
-       pkgs.nodejs-17_x
-     ] ++ extra_deps;
-     RUST_BACKTRACE = 1;
-   }
-
+  pkgs.mkShell {
+    buildInputs = [
+      pkgs.git
+      pkgs.tree
+      pkgs.cargo
+      pkgs.rustc
+      pkgs.trunk
+      pkgs.rustfmt
+      pkgs.libiconv
+      pkgs.openssl.dev
+      pkgs.pkg-config
+      pkgs.nodejs
+      pythonWithPackages
+    ] ++ extra_deps;
+
+    RUST_BACKTRACE = 1;
+
+    shellHook = ''
+      echo "Welcome to Josh development environment!"
+      echo "Rust version: $(rustc --version)"
+      echo "Cargo version: $(cargo --version)"
+      echo "Python version: $(python3 --version)"
+
+      # Install prysk using pip in user space with specific version
+      if ! command -v prysk &> /dev/null; then
+        echo "Installing prysk..."
+        pip install --user "prysk==0.20.0"
+      else
+        # Ensure we have the correct version
+        pip install --user --upgrade "prysk==0.20.0"
+      fi
+
+      echo "Prysk version: $(prysk --version 2>/dev/null || echo 'Installing...')"
+      echo "Environment ready! Run tests with: ./run-tests.sh"
+    '';
+  }