Split toolbox storage by module

website/src/features/toolboxes/storage/modules/counters.js

@@ -0,0 +1,28 @@
+// Rôle : normalise et compacte les compteurs toolbox.
+import { uid } from "./shared.js";
+
+function normalizeCounterValue(value) {
+  const parsed = Number.parseInt(value, 10);
+  return Number.isFinite(parsed) ? parsed : 0;
+}
+
+export function normalizeCountersData(data) {
+  return {
+    counters: (data?.counters || [])
+      .map((counter) => ({
+        id: counter?.id || uid("counter"),
+        label: String(counter?.label || "").trim(),
+        value: normalizeCounterValue(counter?.value)
+      }))
+      .filter((counter) => counter.label)
+  };
+}
+
+export function compactCountersDataForStorage(value) {
+  const counters = normalizeCountersData(value).counters.map((counter) => ({
+    id: counter.id,
+    label: counter.label,
+    value: counter.value
+  }));
+  return counters.length ? { counters } : null;
+}