Improve local backup permissions and change tracking

tests/auto-backup.test.mjs

@@ -1,7 +1,16 @@
 // Rôle : vérifie les règles de nommage, d’écriture et de rétention des sauvegardes locales.
 import { test } from "node:test";
 import assert from "node:assert/strict";
-import { backupContentsEqual, getBackupFileName, getLocalDateKey, isFileSystemAccessSupported, saveBackup } from "../website/src/features/toolboxes/storage/autoBackup.js";
+import {
+  backupContentsEqual,
+  getBackupContentSignature,
+  getBackupFileName,
+  getLocalDateKey,
+  hasBackupDataChanged,
+  isFileSystemAccessSupported,
+  normalizeAutoBackupConfig,
+  saveBackup
+} from "../website/src/features/toolboxes/storage/autoBackup.js";
 
 class FakeDirectory {
   constructor(names = []) {
@@ -48,6 +57,12 @@ test("feature detection does not rely on the user agent", () => {
   assert.equal(isFileSystemAccessSupported({}), false);
 });
 
+test("legacy enabled configurations start dirty while explicit backup state is preserved", () => {
+  assert.equal(normalizeAutoBackupConfig().hasUnsavedChanges, false);
+  assert.equal(normalizeAutoBackupConfig({ enabled: true, directoryHandle: {} }).hasUnsavedChanges, true);
+  assert.equal(normalizeAutoBackupConfig({ enabled: true, directoryHandle: {}, hasUnsavedChanges: false }).hasUnsavedChanges, false);
+});
+
 test("backup names use the browser local date", () => {
   const date = new Date(2026, 8, 24, 0, 5);
   assert.equal(getLocalDateKey(date), "2026-09-24");
@@ -79,6 +94,19 @@ test("automatic backup skips a new day when the export is unchanged", async () =
   assert.equal(directory.files.has("sokkog-global-2026-09-24.json"), false);
 });
 
+test("content signatures ignore the export timestamp and detect toolbox changes", async () => {
+  const previous = JSON.stringify({ version: 1, exportedAt: "2026-09-23T08:00:00.000Z", toolboxes: [{ id: "one", name: "Avant" }], modules: {}, links: {} });
+  const sameData = JSON.stringify({ version: 1, exportedAt: "2026-09-24T08:00:00.000Z", toolboxes: [{ id: "one", name: "Avant" }], modules: {}, links: {} });
+  const changedData = JSON.stringify({ version: 1, exportedAt: "2026-09-24T08:00:00.000Z", toolboxes: [{ id: "one", name: "Après" }], modules: {}, links: {} });
+  const previousSignature = await getBackupContentSignature(previous, {});
+  const sameSignature = await getBackupContentSignature(sameData, {});
+  const changedSignature = await getBackupContentSignature(changedData, {});
+
+  assert.equal(previousSignature, sameSignature);
+  assert.equal(hasBackupDataChanged({ lastBackupSignature: previousSignature, currentSignature: sameSignature }), false);
+  assert.equal(hasBackupDataChanged({ lastBackupSignature: previousSignature, currentSignature: changedSignature }), true);
+});
+
 test("manual backup replaces the day and retains ten non-consecutive versions", async () => {
   const names = [
     "sokkog-global-2024-01-01.json", "sokkog-global-2024-06-01.json", "sokkog-global-2025-01-01.json",

tests/helpers/data-validation.mjs

@@ -227,6 +227,10 @@ export function validateSiteContent(site) {
     "toolboxes.autoBackup.title",
     "toolboxes.autoBackup.description",
     "toolboxes.autoBackup.compatibleLabel",
+    "toolboxes.autoBackup.permissionTitle",
+    "toolboxes.autoBackup.permissionDescription",
+    "toolboxes.autoBackup.reminderMessage",
+    "toolboxes.autoBackup.reminderAction",
     "toolboxes.autoBackup.folderLabel",
     "toolboxes.autoBackup.enabled",
     "toolboxes.autoBackup.toggleHelp",
@@ -905,6 +909,7 @@ export function validateSiteContent(site) {
 
   assertStringArray(site, "toolboxes.storageHelp.items", 3);
   assertStringArray(site, "toolboxes.autoBackup.browsers", 2);
+  assertStringArray(site, "toolboxes.autoBackup.permissionSteps", 3);
 
   const librarySummaryItems = valueAt(site, "library.summaryItems");
   assert.ok(Array.isArray(librarySummaryItems), "library.summaryItems must be an array");