feat: secrets masqués — couverture universelle clés API/mots de passe + clic pour copier (#188)

frontend/locales/en.json

@@ -1004,7 +1004,7 @@
   "help.desc_8f0bffe3": "JWT tokens",
   "help.desc_9186a3a3": "Explorez l'arborescence : Naviguez dans les dossiers",
   "help.desc_93902d18": "Utilisez les tags : Filtrez par tags pour affiner",
-  "help.desc_9846fc07": "In the",
+  "help.desc_9846fc07": ": Masks JWTs, passwords and API keys (OpenAI, Anthropic, GitHub, Google, AWS, Slack, Stripe, GitLab, Hugging Face…) in markdown previews — click a mask to copy the value to the clipboard",
   "help.desc_985d759b": "Token unique : 64 caractères hexadécimaux, impossible à deviner",
   "help.desc_991307d6": " — Generate content from the selection:",
   "help.desc_995a711f": ": Opens the CodeMirror editor",
@@ -2221,6 +2221,9 @@
   "viewer.export_html": "Export as HTML",
   "viewer.export_md_bundle": "Export as Markdown bundle (.zip)",
   "viewer.export_start": "Exporting...",
+  "viewer.secret_copy_hint": "Click to copy the value",
+  "viewer.secret_copied": "Value copied to the clipboard",
+  "viewer.secret_copy_failed": "Copy failed",
   "viewer.export_title": "Export document",
   "viewer.forge_brand": "Forge",
   "viewer.forge_title": "Forge (new editor)",