fix: rely entirely on nix packages

.github/workflows/lint.yml

@@ -28,14 +28,6 @@ jobs:
           purge-prefixes: nix-${{ runner.os }}-
           purge-created: 0
           purge-primary-key: never
-          paths: |
-            ~/.cache/go-build
-            ~/go/pkg/mod
-            ~/.npm
-
-      - name: Install npm packages
-        working-directory: ./client
-        run: npm ci --legacy-peer-deps
         
       - name: Lint
         run: nix develop --command ts-lint

flake.nix

@@ -72,6 +72,9 @@
 
             # Svelte frontend
             nodejs_22
+            eslint
+            nodePackages.svelte-check
+            nodePackages.prettier
 
             # Helper scripts
             (writeShellApplication {
@@ -180,8 +183,9 @@
 
                 cd "''${git_root}/client"
                 echo "Linting client"
-                npm run check
-                npm run lint
+                svelte-check --tsconfig ./tsconfig.json
+                prettier --check .
+                eslint .
 
                 cd "''${git_root}/server"
                 echo "Linting server"