feat: visibilité & recherche des partages dirigés #196

- icône share-2 bleue sur les fichiers partagés dans l'arborescence
- dossier virtuel Partage/ à la racine du home du destinataire (lecture seule /s/{token})
- recherche plein texte couvre les documents reçus (merge search_vaults, share_token)
- cache front invalidé à la création/révocation ; +2 tests non-fuite

frontend/js/config.js

@@ -2,7 +2,7 @@
 import { api, AuthManager, initMfaSettings } from './auth.js';
 import { state } from './state.js';
 import { el, icon, openFile, filterSavedSearches } from './viewer.js';
-import { syncVaultSelectors, setSelectedVaultContext, refreshSidebarForContext, loadVaults, loadVaultSettings, loadTags, TagFilterService, refreshSidebarTreePreservingState } from './sidebar.js';
+import { syncVaultSelectors, setSelectedVaultContext, refreshSidebarForContext, loadVaults, loadVaultSettings, loadTags, TagFilterService, refreshSidebarTreePreservingState, invalidateSharedPaths } from './sidebar.js';
 import {  escapeHtml, safeCreateIcons } from './utils.js';
 import { showToast, closeHeaderMenu, closeMobileSidebar } from './ui.js';
 import { t, setLocale, getLocale } from './i18n.js';
@@ -1691,6 +1691,7 @@ export async function openShareDialog(vault, path) {
       div.querySelector(".share-revoke-btn").addEventListener("click", async () => {
         try {
           await api(`/api/share/${existingShare.id}`, { method: "DELETE" });
+          invalidateSharedPaths();
           showToast(t("config.share_revoked"), "success");
           existingShare = null;
           renderContent();
@@ -1744,6 +1745,7 @@ export async function openShareDialog(vault, path) {
             body: JSON.stringify({ path, expires_in_hours: expiry ? parseInt(expiry) : null, shared_with: recipients }),
           });
           existingShare = share;
+          invalidateSharedPaths();
           renderContent();
           showToast(t("config.link_created"), "success");
         } catch (err) { showToast("Erreur: " + err.message, "error"); }