fix(ui): thème, textes et lisibilité restants de la revue

Les boutons suivent la couleur d’apparence, les libellés trop petits ou trop techniques sont clarifiés, et le catalogue des fournisseurs se met à jour tout seul.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/components/settings/settings-document-title.tsx

@@ -0,0 +1,31 @@
+'use client'
+
+import { useEffect } from 'react'
+import { usePathname } from 'next/navigation'
+import { useLanguage } from '@/lib/i18n'
+
+const TITLE_KEYS: Record<string, string> = {
+  '/settings/general': 'generalSettings.title',
+  '/settings/ai': 'aiSettings.title',
+  '/settings/billing': 'billing.title',
+  '/settings/appearance': 'appearance.title',
+  '/settings/profile': 'profile.title',
+  '/settings/data': 'dataManagement.title',
+  '/settings/published': 'settings.publishedTitle',
+  '/settings/integrations': 'integrations.title',
+  '/settings/mcp': 'mcpSettings.title',
+  '/settings/about': 'about.title',
+}
+
+export function SettingsDocumentTitle() {
+  const pathname = usePathname()
+  const { t } = useLanguage()
+
+  useEffect(() => {
+    const key = Object.keys(TITLE_KEYS).find((href) => pathname === href || pathname.startsWith(`${href}/`))
+    const section = key ? t(TITLE_KEYS[key]) : t('settings.title')
+    document.title = `${section} — Memento`
+  }, [pathname, t])
+
+  return null
+}