i18n: fix hardcoded French in Statistics and Shortcuts panel

- dashboard.js: Fichiers/Tags uniques/Taille totale/Vaults -> t() calls
- config.js: Tags uniques/Vaults in About -> t() calls
- index.html: Raccourcis & Astuces -> data-i18n
- Added 5 new keys: dashboard.stats_*, help.shortcuts_title

frontend/index.html

@@ -999,7 +999,7 @@
                                             data-lucide="keyboard"
                                             style="width: 16px; height: 16px"
                                         ></i>
-                                        <span>Raccourcis &amp; Astuces</span>
+                                        <span data-i18n="help.shortcuts_title">Raccourcis &amp; Astuces</span>
                                         <button
                                             class="qh-toggle"
                                             id="qh-toggle"

frontend/js/config.js

@@ -876,8 +876,8 @@ function renderDiagnostics(container, data) {
       title: "Index",
       rows: [
         [t("about.files_indexed"), data.index.total_files],
-        ["Tags uniques", data.index.total_tags],
-        ["Vaults", Object.keys(data.index.vaults).join(", ")],
+        [t("dashboard.stats_tags"), data.index.total_tags],
+        [t("dashboard.stats_vaults"), Object.keys(data.index.vaults).join(", ")],
       ],
     },
     {

frontend/js/dashboard.js

@@ -34,10 +34,10 @@ const DashboardStatsWidget = {
     if (!grid) return;
     const fmtSize = (bytes) => bytes < 1024 ? `${bytes} o` : bytes < 1048576 ? `${(bytes/1024).toFixed(1)} Ko` : bytes < 1073741824 ? `${(bytes/1048576).toFixed(1)} Mo` : `${(bytes/1073741824).toFixed(1)} Go`;
     const items = [
-      { icon: "files", label: "Fichiers", value: data.total_files.toLocaleString() },
-      { icon: "tags", label: "Tags uniques", value: data.total_tags.toLocaleString() },
-      { icon: "hard-drive", label: "Taille totale", value: fmtSize(data.total_size_bytes) },
-      { icon: "folder-open", label: "Vaults", value: data.vaults.length.toString() },
+      { icon: "files", label: t('dashboard.stats_files'), value: data.total_files.toLocaleString() },
+      { icon: "tags", label: t('dashboard.stats_tags'), value: data.total_tags.toLocaleString() },
+      { icon: "hard-drive", label: t('dashboard.stats_size'), value: fmtSize(data.total_size_bytes) },
+      { icon: "folder-open", label: t('dashboard.stats_vaults'), value: data.vaults.length.toString() },
     ];
     grid.innerHTML = items.map(i => `
       <div class="stat-card">

frontend/locales/en.json

@@ -1035,5 +1035,10 @@
   "config.force_reindex": "Force reindex",
   "search.previous": "← Previous",
   "viewer.copied": "Copied!",
-  "viewer.shared_doc_title": "Shared document — click to manage"
+  "viewer.shared_doc_title": "Shared document — click to manage",
+  "dashboard.stats_files": "Files",
+  "dashboard.stats_size": "Total size",
+  "dashboard.stats_tags": "Unique tags",
+  "dashboard.stats_vaults": "Vaults",
+  "help.shortcuts_title": "Shortcuts & Tips"
 }

frontend/locales/fr.json

@@ -1035,5 +1035,10 @@
   "config.force_reindex": "Forcer réindexation",
   "search.previous": "← Précédent",
   "viewer.copied": "Copié !",
-  "viewer.shared_doc_title": "Document partagé — cliquer pour gérer"
+  "viewer.shared_doc_title": "Document partagé — cliquer pour gérer",
+  "dashboard.stats_files": "Fichiers",
+  "dashboard.stats_size": "Taille totale",
+  "dashboard.stats_tags": "Tags uniques",
+  "dashboard.stats_vaults": "Vaults",
+  "help.shortcuts_title": "Raccourcis & Astuces"
 }