chore(i18n): auto-update translations via LLM

frontend/translations/cy.json

@@ -535,6 +535,7 @@
   "index.page_title_dashboard": "Dangosfa",
   "index.page_title_public": "Prosesu Dogfennau deallus",
   "index.platform_overview": "Trosolwg o'r llwyfan",
+  "index.processing_stats": "Ystadegau Prosesu",
   "index.quick_actions": "Camau Cyflym",
   "index.quick_documents": "Fy Ndogfennau",
   "index.quick_documents_desc": "Bwrw golwg ar eich ffeiliau proseswyd",
@@ -553,9 +554,13 @@
   "index.stat_active_integrations": "Integreiddiadau Actif",
   "index.stat_active_users": "Defnyddwyr actif",
   "index.stat_files_month": "Ffeiliau eleni",
+  "index.stat_files_ocr": "Ffeiliau gyda OCR",
   "index.stat_files_today": "Ffeiliau heddiw",
   "index.stat_storage_targets": "Targetau Storio",
+  "index.stat_this_month": "Y mis hwn",
+  "index.stat_today": "Heddiw",
   "index.stat_total_files": "Cyfanswm ffeiliau",
+  "index.stat_total_processed": "Cyfanswm wedi'i brosesu",
   "index.tier_plan": "Cynllun",
   "index.tier_upgrade": "Uwchsgilio",
   "index.tier_view_details": "Gweld manylion llawn",