diff --git a/crates/npm_scaffolding_utils/src/lib.rs b/crates/npm_scaffolding_utils/src/lib.rs
index 534a599..1573163 100644
--- a/crates/npm_scaffolding_utils/src/lib.rs
+++ b/crates/npm_scaffolding_utils/src/lib.rs
@@ -2,6 +2,7 @@ use std::path::PathBuf;
 
 use dialoguer::{theme::ColorfulTheme, Select};
 use file_tree_utils::{find_files_by_name, map_file, FileTree, FileTreeError, file_exists, file_content};
+use serde::{Serialize, Deserialize};
 use serde_json::{Map, Value};
 use thiserror::Error;
 
@@ -269,7 +270,7 @@ pub fn get_name_of_root_package(file_tree: &FileTree) -> Result<String, NpmScaff
     Ok(name.clone())
 }
 
-#[derive(Debug,Clone, Copy)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 pub enum PackageManager {
 	Npm,
 	Pnpm,
diff --git a/flake.nix b/flake.nix
index b9b12fb..07eabf2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -68,19 +68,20 @@
             { crateCargoToml, holochain, workspacePath, excludedCrates ? [ ] }:
             let
               deterministicCraneLib = let
-#                system =;
-                              system = holochain.devShells.holonix.system;
+                #                system =;
+                system = holochain.devShells.holonix.system;
                 pkgs = import inputs.nixpkgs {
                   localSystem = system;
                   crossSystem = "x86_64-linux";
                   overlays = [ (import inputs.rust-overlay) ];
                 };
 
-                rustToolchain = (if system == "x86_64-linux" then pkgs else pkgs.pkgsBuildHost).rust-bin.stable."1.77.2".minimal.override {
-                  # Set the build targets supported by the toolchain,
-                  # wasm32-unknown-unknown is required for trunk.
-                  targets = [ "wasm32-unknown-unknown" ];
-                };
+                rustToolchain =
+                  pkgs.pkgsBuildHost.rust-bin.stable."1.77.2".minimal.override {
+                    # Set the build targets supported by the toolchain,
+                    # wasm32-unknown-unknown is required for trunk.
+                    targets = [ "wasm32-unknown-unknown" ];
+                  };
               in (inputs.crane.mkLib pkgs).overrideToolchain rustToolchain;
 
               system = holochain.devShells.holonix.system;
diff --git a/nix/fixtures/module-repo/flake.lock b/nix/fixtures/module-repo/flake.lock
index df789a2..6e892e2 100644
--- a/nix/fixtures/module-repo/flake.lock
+++ b/nix/fixtures/module-repo/flake.lock
@@ -203,11 +203,11 @@
         "nixpkgs": "nixpkgs_4"
       },
       "locked": {
-        "lastModified": 1716156051,
-        "narHash": "sha256-TjUX7WWRcrhuUxDHsR8pDR2N7jitqZehgCVSy3kBeS8=",
+        "lastModified": 1714864355,
+        "narHash": "sha256-uXNW6bapWFfkYIkK1EagydSrFMqycOYEDSq75GmUpjk=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "7443df1c478947bf96a2e699209f53b2db26209d",
+        "rev": "442a7a6152f49b907e73206dc8e1f46a61e8e873",
         "type": "github"
       },
       "original": {
@@ -643,11 +643,11 @@
         "versions": "versions_2"
       },
       "locked": {
-        "lastModified": 1716361767,
-        "narHash": "sha256-+bO8DCUM8UBzVLv/AAf3CSXWq/hpuLTN9ypK3LFIA7Q=",
+        "lastModified": 1715079199,
+        "narHash": "sha256-x4SQ5u6KumRhIaNAkigBYWgvHTR9sPYKsi68iebFisU=",
         "owner": "holochain-open-dev",
         "repo": "infrastructure",
-        "rev": "2a3b89f2fd0e24773841aaa61ec0047cc31c12a8",
+        "rev": "2ddc14df21e42cb3cb9a5d832eb0f13fa0267fc2",
         "type": "github"
       },
       "original": {
@@ -670,7 +670,7 @@
       },
       "locked": {
         "lastModified": 0,
-        "narHash": "sha256-hQKBbUu2cdP74760AndyBUBK3Lht4tr3W2qTTC5FFjk=",
+        "narHash": "sha256-+gG9DafyteVAlEE4rGfXvjY8UkDvEFxyeOHzTo2fHBc=",
         "path": "../../..",
         "type": "path"
       },
@@ -842,11 +842,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716359692,
-        "narHash": "sha256-ou3hiv/kPyQ/OJ8COwD2sjGYWQQ+9NQ7iss9VL8glFA=",
+        "lastModified": 1714997624,
+        "narHash": "sha256-eCM6JEukjMdjFwjBm/FEKRUvBZIzGYE0gP71EWHs4lE=",
         "owner": "holochain",
         "repo": "holochain",
-        "rev": "c56786d48865da5360a6a90d1e806fdf40bfa96d",
+        "rev": "993e875c10204870644a73125d63fb13b1f1070b",
         "type": "github"
       },
       "original": {
@@ -858,16 +858,16 @@
     "holochain_5": {
       "flake": false,
       "locked": {
-        "lastModified": 1715896367,
-        "narHash": "sha256-jRxb8HsXUV7Fba3hMCL+TycbvF7v+JT53eIryZPu878=",
+        "lastModified": 1714046698,
+        "narHash": "sha256-vGOWRJXR64qXRe4MCg13xNyww904KPFvYZIQyRhuPsU=",
         "owner": "holochain",
         "repo": "holochain",
-        "rev": "9f293072c41bd053e9cd88f746a456ee1dee1990",
+        "rev": "b48562aa081b1dd177ec43035650262fbdb40d0e",
         "type": "github"
       },
       "original": {
         "owner": "holochain",
-        "ref": "holochain-0.3.1-rc.0",
+        "ref": "holochain-0.3.0-beta-dev.48",
         "repo": "holochain",
         "type": "github"
       }
@@ -912,11 +912,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716359692,
-        "narHash": "sha256-ou3hiv/kPyQ/OJ8COwD2sjGYWQQ+9NQ7iss9VL8glFA=",
+        "lastModified": 1715075584,
+        "narHash": "sha256-AZbckXdtu526rjCP+CNhLBmPFs2tKVwfvhvmKBDuH4c=",
         "owner": "holochain",
         "repo": "holochain",
-        "rev": "c56786d48865da5360a6a90d1e806fdf40bfa96d",
+        "rev": "de729662e1d0812ef008bf56fde2c0cfcc3c5232",
         "type": "github"
       },
       "original": {
@@ -928,16 +928,16 @@
     "holochain_7": {
       "flake": false,
       "locked": {
-        "lastModified": 1715896367,
-        "narHash": "sha256-jRxb8HsXUV7Fba3hMCL+TycbvF7v+JT53eIryZPu878=",
+        "lastModified": 1714046698,
+        "narHash": "sha256-vGOWRJXR64qXRe4MCg13xNyww904KPFvYZIQyRhuPsU=",
         "owner": "holochain",
         "repo": "holochain",
-        "rev": "9f293072c41bd053e9cd88f746a456ee1dee1990",
+        "rev": "b48562aa081b1dd177ec43035650262fbdb40d0e",
         "type": "github"
       },
       "original": {
         "owner": "holochain",
-        "ref": "holochain-0.3.1-rc.0",
+        "ref": "holochain-0.3.0-beta-dev.48",
         "repo": "holochain",
         "type": "github"
       }
@@ -1291,11 +1291,11 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1716293225,
-        "narHash": "sha256-pU9ViBVE3XYb70xZx+jK6SEVphvt7xMTbm6yDIF4xPs=",
+        "lastModified": 1714906307,
+        "narHash": "sha256-UlRZtrCnhPFSJlDQE7M0eyhgvuuHBTe1eJ9N9AQlJQ0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3eaeaeb6b1e08a016380c279f8846e0bd8808916",
+        "rev": "25865a40d14b3f9cf19f19b924e2ab4069b09588",
         "type": "github"
       },
       "original": {
@@ -1306,11 +1306,11 @@
     },
     "nixpkgs_6": {
       "locked": {
-        "lastModified": 1716293225,
-        "narHash": "sha256-pU9ViBVE3XYb70xZx+jK6SEVphvt7xMTbm6yDIF4xPs=",
+        "lastModified": 1714906307,
+        "narHash": "sha256-UlRZtrCnhPFSJlDQE7M0eyhgvuuHBTe1eJ9N9AQlJQ0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3eaeaeb6b1e08a016380c279f8846e0bd8808916",
+        "rev": "25865a40d14b3f9cf19f19b924e2ab4069b09588",
         "type": "github"
       },
       "original": {
@@ -1395,11 +1395,11 @@
         "versions": "versions_3"
       },
       "locked": {
-        "lastModified": 1716379300,
-        "narHash": "sha256-4L0xarrhw7JkA2dVHQskZPVDQXc70IDMJn/2NrKsfeA=",
+        "lastModified": 1715165894,
+        "narHash": "sha256-Z5CEFONL8myNtqBO7Kw5+VO4vp/6G6HYMIvrzf5Mdfo=",
         "owner": "holochain-open-dev",
         "repo": "profiles",
-        "rev": "7dc05a2c5e681fb32d3faef5be297f14cf3d7402",
+        "rev": "a4731cf3c007d2cb354442f64e35a56c6a515369",
         "type": "github"
       },
       "original": {
@@ -1547,11 +1547,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716344225,
-        "narHash": "sha256-e4tYIu1BOcq2DiGSQqynyREXCnKohjdcMS9wvLVxT38=",
+        "lastModified": 1714961776,
+        "narHash": "sha256-LiIxWRKbm1DZ+7l1a6FMmIO8leQx5yrRLIApCMai1DY=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "e8239080c897174a646c36a88789c9cbf53b7951",
+        "rev": "f3b20ea4131408ea585bddb1f41f91c4de9499cf",
         "type": "github"
       },
       "original": {
@@ -1570,11 +1570,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716344225,
-        "narHash": "sha256-e4tYIu1BOcq2DiGSQqynyREXCnKohjdcMS9wvLVxT38=",
+        "lastModified": 1714961776,
+        "narHash": "sha256-LiIxWRKbm1DZ+7l1a6FMmIO8leQx5yrRLIApCMai1DY=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "e8239080c897174a646c36a88789c9cbf53b7951",
+        "rev": "f3b20ea4131408ea585bddb1f41f91c4de9499cf",
         "type": "github"
       },
       "original": {
@@ -1593,11 +1593,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716344225,
-        "narHash": "sha256-e4tYIu1BOcq2DiGSQqynyREXCnKohjdcMS9wvLVxT38=",
+        "lastModified": 1715048276,
+        "narHash": "sha256-SqWSTvCjNBBnV/WIQdaxVi5V9H3VJ7cOJAxPQdR1TBY=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "e8239080c897174a646c36a88789c9cbf53b7951",
+        "rev": "b037d65c988421b54024e62691eace4f2fe623bc",
         "type": "github"
       },
       "original": {
@@ -1626,11 +1626,11 @@
     "scaffolding_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1715862126,
-        "narHash": "sha256-tagPkr1n3rHg3UMnPn8oW6wgEy5Q+2NBs3YddtSJ7sg=",
+        "lastModified": 1714147981,
+        "narHash": "sha256-PIWouOg4W2jVFjsHexAqOCdnwy6gQgll7kWRHssiid0=",
         "owner": "holochain",
         "repo": "scaffolding",
-        "rev": "5c5e19cad570046291c7526da780d1c94d13918f",
+        "rev": "6582621e73b5127ed863b13f5648d9a333542623",
         "type": "github"
       },
       "original": {
@@ -1643,11 +1643,11 @@
     "scaffolding_3": {
       "flake": false,
       "locked": {
-        "lastModified": 1715862126,
-        "narHash": "sha256-tagPkr1n3rHg3UMnPn8oW6wgEy5Q+2NBs3YddtSJ7sg=",
+        "lastModified": 1714147981,
+        "narHash": "sha256-PIWouOg4W2jVFjsHexAqOCdnwy6gQgll7kWRHssiid0=",
         "owner": "holochain",
         "repo": "scaffolding",
-        "rev": "5c5e19cad570046291c7526da780d1c94d13918f",
+        "rev": "6582621e73b5127ed863b13f5648d9a333542623",
         "type": "github"
       },
       "original": {
@@ -1796,11 +1796,11 @@
       },
       "locked": {
         "dir": "versions/0_3_rc",
-        "lastModified": 1716359692,
-        "narHash": "sha256-ou3hiv/kPyQ/OJ8COwD2sjGYWQQ+9NQ7iss9VL8glFA=",
+        "lastModified": 1714997624,
+        "narHash": "sha256-eCM6JEukjMdjFwjBm/FEKRUvBZIzGYE0gP71EWHs4lE=",
         "owner": "holochain",
         "repo": "holochain",
-        "rev": "c56786d48865da5360a6a90d1e806fdf40bfa96d",
+        "rev": "993e875c10204870644a73125d63fb13b1f1070b",
         "type": "github"
       },
       "original": {
@@ -1819,11 +1819,11 @@
       },
       "locked": {
         "dir": "versions/0_3_rc",
-        "lastModified": 1716359692,
-        "narHash": "sha256-ou3hiv/kPyQ/OJ8COwD2sjGYWQQ+9NQ7iss9VL8glFA=",
+        "lastModified": 1715075584,
+        "narHash": "sha256-AZbckXdtu526rjCP+CNhLBmPFs2tKVwfvhvmKBDuH4c=",
         "owner": "holochain",
         "repo": "holochain",
-        "rev": "c56786d48865da5360a6a90d1e806fdf40bfa96d",
+        "rev": "de729662e1d0812ef008bf56fde2c0cfcc3c5232",
         "type": "github"
       },
       "original": {
diff --git a/nix/zome.nix b/nix/zome.nix
index 89da51b..07fdbe4 100644
--- a/nix/zome.nix
+++ b/nix/zome.nix
@@ -1,105 +1,87 @@
-{ 
-	runCommandLocal,
-	runCommandNoCC,
-	binaryen,
-    deterministicCraneLib,
-    craneLib,
-    workspacePath,
-    system,
-	lib,
-	pkgs,
-	crateCargoToml,
-	excludedCrates
-}:
+{ runCommandLocal, runCommandNoCC, binaryen, deterministicCraneLib, craneLib
+, workspacePath, system, lib, pkgs, crateCargoToml, excludedCrates }:
 
-let 
-	cargoExtraArgs = "--workspace ${if excludedCrates != null then builtins.concatStringsSep " " (builtins.map (excludedCrate: ''--exclude ${excludedCrate}'') excludedCrates) else ''''}";
+let
+  cargoExtraArgs = "--workspace ${
+      if excludedCrates != null then
+        builtins.concatStringsSep " "
+        (builtins.map (excludedCrate: "--exclude ${excludedCrate}")
+          excludedCrates)
+      else
+        ""
+    }";
 
-	cargoToml = builtins.fromTOML (builtins.readFile crateCargoToml);
+  cargoToml = builtins.fromTOML (builtins.readFile crateCargoToml);
   crate = cargoToml.package.name;
 
-	commonArgs = {
-		strictDeps = true;
-		doCheck = false;
-	  src = craneLib.cleanCargoSource (craneLib.path workspacePath);
-	  CARGO_BUILD_TARGET = "wasm32-unknown-unknown";
-	};
-	
+  commonArgs = {
+    strictDeps = true;
+    doCheck = false;
+    src = craneLib.cleanCargoSource (craneLib.path workspacePath);
+    CARGO_BUILD_TARGET = "wasm32-unknown-unknown";
+  };
+
   wasmDeps = craneLib.buildDepsOnly (commonArgs // {
-		inherit cargoExtraArgs;
-		pname = "happ-workspace";
-		version = "workspace";
-	});
-	wasm = craneLib.buildPackage (commonArgs // {
-		cargoToml = crateCargoToml;
-		cargoLock = workspacePath + /Cargo.lock;
-		cargoArtifacts = wasmDeps;
-		cargoExtraArgs = "-p ${crate} --locked";
-	  pname = crate;
-		version = cargoToml.package.version;
-	});
-	debug = runCommandLocal "${crate}-debug" {
-		meta = {
-			holochainPackageType = "zome";
-		};
-	} ''
-		cp ${wasm}/lib/${crate}.wasm $out 
-	'';
+    inherit cargoExtraArgs;
+    pname = "happ-workspace";
+    version = "workspace";
+  });
+  wasm = craneLib.buildPackage (commonArgs // {
+    cargoToml = crateCargoToml;
+    cargoLock = workspacePath + /Cargo.lock;
+    cargoArtifacts = wasmDeps;
+    cargoExtraArgs = "-p ${crate} --locked";
+    pname = crate;
+    version = cargoToml.package.version;
+  });
+  debug = runCommandLocal "${crate}-debug" {
+    meta = { holochainPackageType = "zome"; };
+  } "	cp ${wasm}/lib/${crate}.wasm $out \n";
 
-	deterministicWasm = 
-	let 
-	  deterministicCommonArgs = (commonArgs // {
-			cargoToml = crateCargoToml;
-			cargoLock = workspacePath + /Cargo.lock;
-			cargoExtraArgs = "-p ${crate} --locked";
-		    pname = crate;
-			version = cargoToml.package.version;
-		});
+  deterministicWasm = let
+    deterministicCommonArgs = (commonArgs // {
+      cargoToml = crateCargoToml;
+      cargoLock = workspacePath + /Cargo.lock;
+      cargoExtraArgs = "-p ${crate} --locked";
+      pname = crate;
+      version = cargoToml.package.version;
+    });
 
-      wasm = if system == "x86_64-linux" then 
-	  	    (deterministicCraneLib.buildPackage (deterministicCommonArgs // {
-				cargoArtifacts = deterministicCraneLib.buildDepsOnly (deterministicCommonArgs // {
-			inherit cargoExtraArgs;
-			pname = "happ-workspace";
-			version = "workspace";
-		});
-			})) 
-		else let 
-		    crossDeterministicCommonArgs = (deterministicCommonArgs // {
-				CARGO_TARGET_WASM32_UNKNOWN_UNKNOWN_RUNNER = "qemu-system-x86_64";
-				depsBuildBuild = [
-					pkgs.qemu
-				];
-				nativeBuildInputs = [
-					pkgs.pkg-config
-				] ++ lib.optionals pkgs.stdenv.buildPlatform.isDarwin [
-					pkgs.libiconv
-					pkgs.darwin.apple_sdk_11_0.frameworks.CoreFoundation
-				];
-			});
-			cargoArtifacts = deterministicCraneLib.buildDepsOnly (crossDeterministicCommonArgs // {
-				inherit cargoExtraArgs;
-				pname = "happ-workspace";
-				version = "workspace";
-			});
-		  in (deterministicCraneLib.buildPackage (deterministicCommonArgs // {
-			inherit cargoArtifacts;
-		}));
-	in
-		runCommandLocal "${crate}-deterministic" {
-			meta = {
-				holochainPackageType = "zome";
-			};
-		} ''
-			cp ${wasm}/lib/${crate}.wasm $out 
-		'';
-in
-	runCommandNoCC crate {
-		meta = {
-			inherit debug;
-			holochainPackageType = "zome";
-		};
-		buildInputs = [ binaryen ];
-	} ''
-	  wasm-opt --strip-debug -Oz -o $out ${deterministicWasm}
-	''
+    wasm = if system == "x86_64-linuix" then
+      (deterministicCraneLib.buildPackage (deterministicCommonArgs // {
+        cargoArtifacts = deterministicCraneLib.buildDepsOnly
+          (deterministicCommonArgs // {
+            inherit cargoExtraArgs;
+            pname = "happ-workspace";
+            version = "workspace";
+          });
+      }))
+    else
+      let
+        crossDeterministicCommonArgs = (deterministicCommonArgs // {
+          CARGO_TARGET_WASM32_UNKNOWN_UNKNOWN_RUNNER = "qemu-x86_64";
+          depsBuildBuild = [ pkgs.qemu ];
+          nativeBuildInputs = [ pkgs.pkg-config ]
+            ++ lib.optionals pkgs.stdenv.buildPlatform.isDarwin [
+              pkgs.libiconv
+              pkgs.darwin.apple_sdk_11_0.frameworks.CoreFoundation
+            ];
+        });
+        cargoArtifacts = deterministicCraneLib.buildDepsOnly
+          (crossDeterministicCommonArgs // {
+            inherit cargoExtraArgs;
+            pname = "happ-workspace";
+            version = "workspace";
+          });
+      in (deterministicCraneLib.buildPackage
+        (deterministicCommonArgs // { inherit cargoArtifacts; }));
+  in runCommandLocal "${crate}-deterministic" {
+    meta = { holochainPackageType = "zome"; };
+  } "	cp ${wasm}/lib/${crate}.wasm $out \n";
+in runCommandNoCC crate {
+  meta = {
+    inherit debug;
+    holochainPackageType = "zome";
+  };
+  buildInputs = [ binaryen ];
+} "  wasm-opt --strip-debug -Oz -o $out ${deterministicWasm}\n"