nix: add tui lockfile update script

.envrc

@@ -1,5 +1,5 @@
 watch_file pyproject.toml uv.lock
 watch_file ui-tui/package-lock.json ui-tui/package.json
-watch_file nix/
+watch_file flake.nix flake.lock nix/devShell.nix nix/tui.nix nix/package.nix nix/python.nix
 
 use flake

flake.lock

@@ -36,6 +36,26 @@
         "type": "github"
       }
     },
+    "npm-lockfile-fix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1734767823,
+        "narHash": "sha256-UHVfdyuOdGEDRPkoSJRsX7HhN8oL/g903QUlzhBTadI=",
+        "owner": "jeslie0",
+        "repo": "npm-lockfile-fix",
+        "rev": "193e463bf27a36f85775eddde7189f93a493d2b3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "jeslie0",
+        "repo": "npm-lockfile-fix",
+        "type": "github"
+      }
+    },
     "pyproject-build-systems": {
       "inputs": {
         "nixpkgs": [
@@ -124,6 +144,7 @@
       "inputs": {
         "flake-parts": "flake-parts",
         "nixpkgs": "nixpkgs",
+        "npm-lockfile-fix": "npm-lockfile-fix",
         "pyproject-build-systems": "pyproject-build-systems",
         "pyproject-nix": "pyproject-nix_2",
         "uv2nix": "uv2nix_2"

flake.nix

@@ -19,11 +19,20 @@
       url = "github:pyproject-nix/build-system-pkgs";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    npm-lockfile-fix = {
+      url = "github:jeslie0/npm-lockfile-fix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = inputs:
+  outputs =
+    inputs:
     inputs.flake-parts.lib.mkFlake { inherit inputs; } {
-      systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" ];
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ];
 
       imports = [
         ./nix/packages.nix

nix/packages.nix

@@ -2,13 +2,15 @@
 { inputs, ... }:
 {
   perSystem =
-    { pkgs, ... }:
+    { pkgs, inputs', ... }:
     let
       hermesVenv = pkgs.callPackage ./python.nix {
         inherit (inputs) uv2nix pyproject-nix pyproject-build-systems;
       };
 
-      hermesTui = pkgs.callPackage ./tui.nix { };
+      hermesTui = pkgs.callPackage ./tui.nix {
+        npm-lockfile-fix = inputs'.npm-lockfile-fix.packages.default;
+      };
 
       # Import bundled skills, excluding runtime caches
       bundledSkills = pkgs.lib.cleanSourceWith {

nix/tui.nix

@@ -1,10 +1,10 @@
 # nix/tui.nix — Hermes TUI (Ink/React) compiled with tsc and bundled
-{ pkgs, ... }:
+{ pkgs, npm-lockfile-fix, ... }:
 let
   src = ../ui-tui;
   npmDeps = pkgs.fetchNpmDeps {
     inherit src;
-    hash = "sha256-iz6TrWec4MpfDLZR48V6XHoKnZkEn9x2t97YOqWZt5k=";
+    hash = "sha256-tlQ43Dv5S2p5Aw6ChSTvPXcI5/kkXHoeZsTlSLm75eM=";
   };
 
   packageJson = builtins.fromJSON (builtins.readFile (src + "/package.json"));
@@ -34,6 +34,29 @@ pkgs.buildNpmPackage {
     runHook postInstall
   '';
 
+  nativeBuildInputs = [
+    (pkgs.writeShellScriptBin "update_tui_lockfile" ''
+      set -euo pipefail
+
+      # get root of repo
+      REPO_ROOT=$(git rev-parse --show-toplevel)
+
+      # cd into ui-tui and reinstall
+      cd "$REPO_ROOT/ui-tui"
+      rm -rf node_modules/
+      npm install --package-lock-only
+      ${pkgs.lib.getExe' npm-lockfile-fix "npm-lockfile-fix"} ./package-lock.json
+
+      # compute the new hash
+      sed -i "s/hash = \"[^\"]*\";/hash = \"\";/" "$REPO_ROOT/nix/tui.nix"
+      NIX_OUTPUT=$(nix build .#tui 2>&1 || true)
+      NEW_HASH=$(echo "$NIX_OUTPUT" | grep 'got:' | awk '{print $2}') 
+      echo got new hash $NEW_HASH
+      sed -i "s|hash = \"[^\"]*\";|hash = \"$NEW_HASH\";|" "$REPO_ROOT/nix/tui.nix"
+      echo "Updated npm hash in $NIX_FILE to $NEW_HASH"
+    '')
+  ];
+
   passthru.devShellHook = ''
     STAMP=".nix-stamps/hermes-tui"
     STAMP_VALUE="${npmLockHash}"