Clarify local backup permission recovery

docs/STORAGE_SCHEMA.md

@@ -36,7 +36,9 @@ locale du navigateur et conservent les dix fichiers `sokkog-global-YYYY-MM-DD.js
 les plus récents. La vérification au démarrage ne demande pas de permission et ne
 crée pas les jours manquants lorsque l'application était fermée. Une nouvelle
 sauvegarde automatique est ignorée si son contenu est identique à la version la
-plus récente, en excluant uniquement l'horodatage d'export.
+plus récente, en excluant uniquement l'horodatage d'export. Si le navigateur ne
+conserve pas l'autorisation du dossier entre deux sessions, l'interface propose
+une réautorisation explicite ; le démarrage n'ouvre aucune demande de permission.
 
 Entrée type dans `modules` :
 

tests/auto-backup.test.mjs

@@ -94,13 +94,17 @@ test("manual backup replaces the day and retains ten non-consecutive versions",
   assert.equal(directory.files.get("notes.json"), "old");
 });
 
-test("permission failure prevents export and cleanup", async () => {
-  const directory = new FakeDirectory();
-  directory.permission = "prompt";
-  let generated = false;
-  const result = await saveBackup({ directoryHandle: directory, generateJson: async () => { generated = true; return "{}"; } });
-  assert.equal(result.reason, "permission");
-  assert.equal(generated, false);
+test("missing permission never opens a prompt or starts an export", async () => {
+  for (const permission of ["prompt", "denied"]) {
+    const directory = new FakeDirectory();
+    directory.permission = permission;
+    directory.requestPermission = () => { throw new Error("Permission popup must require user interaction"); };
+    let generated = false;
+    const result = await saveBackup({ directoryHandle: directory, generateJson: async () => { generated = true; return "{}"; } });
+    assert.equal(result.reason, "permission");
+    assert.equal(result.permission, permission);
+    assert.equal(generated, false);
+  }
 });
 
 test("cleanup failure does not invalidate a successfully written backup", async () => {

tests/helpers/data-validation.mjs

@@ -233,6 +233,7 @@ export function validateSiteContent(site) {
     "toolboxes.autoBackup.chooseFolder",
     "toolboxes.autoBackup.changeFolder",
     "toolboxes.autoBackup.reauthorize",
+    "toolboxes.autoBackup.permissionRequired",
     "toolboxes.autoBackup.saveNow",
     "toolboxes.autoBackup.noFolder",
     "toolboxes.autoBackup.never",

website/public/data/site.json

@@ -1829,6 +1829,7 @@
       "chooseFolder": "Choisir un dossier",
       "changeFolder": "Changer de dossier",
       "reauthorize": "Réautoriser l’accès",
+      "permissionRequired": "L’accès au dossier doit être réautorisé pour reprendre les sauvegardes. Utilisez « Réautoriser l’accès » ci-dessous.",
       "saveNow": "Sauvegarder maintenant",
       "noFolder": "Aucun dossier",
       "never": "Jamais",

website/src/components/ToolboxModals.jsx

@@ -118,10 +118,11 @@ export function AutoBackupModal({ backup, content, onClose }) {
               <span className="switch-track" aria-hidden="true"><span className="switch-thumb" /></span>
               <span className="auto-backup-toggle-copy"><strong>{content.enabled}</strong><small>{content.toggleHelp}</small><small>{content.retention}</small></span>
             </label>
+            {backup.config.directoryHandle && (backup.permission === "prompt" || backup.permission === "denied") && <p className="nds-inline-notice" data-variant="warning" role="status">{content.permissionRequired}</p>}
             {backup.error && <p className="nds-inline-notice" data-variant="danger" role="alert">{backup.error}</p>}
             <footer className="nds-modal-footer auto-backup-modal-footer">
-              {backup.config.directoryHandle && backup.permission !== "granted" && <button className="nds-button" data-size="sm" type="button" disabled={backup.busy} onClick={() => void backup.requestPermission()}>{content.reauthorize}</button>}
-              <button className="nds-button" data-size="sm" data-variant="primary" type="button" disabled={backup.busy || !backup.config.directoryHandle} onClick={() => void backup.saveNow()}>{content.saveNow}</button>
+              {backup.config.directoryHandle && (backup.permission === "prompt" || backup.permission === "denied") && <button className="nds-button" data-size="sm" type="button" disabled={backup.busy} onClick={() => void backup.requestPermission()}>{content.reauthorize}</button>}
+              <button className="nds-button" data-size="sm" data-variant="primary" type="button" disabled={backup.busy || !backup.config.directoryHandle || backup.permission !== "granted"} onClick={() => void backup.saveNow()}>{content.saveNow}</button>
             </footer>
           </>
         )}

website/src/features/toolboxes/storage/useAutoBackup.js

@@ -72,7 +72,7 @@ export function useAutoBackup(store) {
         const next = { ...configOverride, directoryHandle, lastBackup: new Date().toISOString() };
         await persist(next);
       }
-      if (!result.ok) setError(result.error?.message || "La sauvegarde locale a échoué.");
+      if (!result.ok) setError(result.reason === "permission" ? "" : result.error?.message || "La sauvegarde locale a échoué.");
       if (result.ok && result.cleanupError) setError(result.cleanupError);
       return result;
     } catch (runError) {