Keep clean installation compatible with npm 10

.github/workflows/unit-ci.yml

@@ -121,6 +121,9 @@ jobs:
           node-version: '24.x'
           cache: 'npm'
 
+      - name: Verify clean installation with npm 10
+        run: npx --yes npm@10.9.4 ci --ignore-scripts --no-audit --no-fund
+
       - name: Install dependencies
         run: npm ci
 

package-lock.json

@@ -4320,7 +4320,7 @@
             "version": "8.69.0",
             "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.69.0.tgz",
             "integrity": "sha512-K3VrubUPhlo9VDBS6QdI8YB5j7ClpqLRdefcz6PFrhnwicehBweqQ9Evhl4l+FYz0HdDmMqIiSX0aldGRYtDCA==",
-            "devOptional": true,
+            "dev": true,
             "license": "MIT",
             "engines": {
                 "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -11408,6 +11408,21 @@
                 }
             }
         },
+        "node_modules/svelte-check/node_modules/picomatch": {
+            "version": "4.0.7",
+            "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.7.tgz",
+            "integrity": "sha512-qcJu88Q2IWqJsDD529JKMdwGm/dvInW4HvQnRwiH9JtihJvzGOscDtHE3x1pBKeUOTysQ8kVmLnJ2kJu7yhcGA==",
+            "dev": true,
+            "license": "MIT",
+            "optional": true,
+            "peer": true,
+            "engines": {
+                "node": ">=12"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/jonschlinkert"
+            }
+        },
         "node_modules/svelte-eslint-parser": {
             "version": "1.8.0",
             "resolved": "https://registry.npmjs.org/svelte-eslint-parser/-/svelte-eslint-parser-1.8.0.tgz",