yolorouter/dsh-llmasking

Install

session log (real values)
        │ deriveMessages()
        ▼
┌─ dsh-llmasking (llm/stream) ─────────────────────────┐
│  mask request copy: 13800138000 → [PHONE_1]          │
│  re-dispatch masked copy through the waterfall       │
│  restore every response chunk on the way back,       │
│  including placeholders split across SSE boundaries  │
└──────────────────┬───────────────────────────────────┘
                   ▼
        provider / model sees only placeholders

Add yolorouter/dsh-llmasking to your DSH config (web profile) to enable.