curl --request GET \
  --url https://api.promptguard.dev/api/v1/memory/stats \
  --header 'Authorization: Bearer <token>'

{
  "total_entries": 123,
  "total_agents": 123,
  "avg_entries_per_agent": 123,
  "estimated_tokens_saved": 123,
  "storage_used_mb": 123
}