---
convoy: tighten-scan-identify-hot-path
brief_number: 4
depends_on: [2]
recommended_model: composer-2.5-fast
model_tier: fast
files:
  - lib/use-scanner-identification.js
  - docs/SCHEMA_MAP.md
---

# Brief 4: Skip L1 disambiguation refine

## Goal

Do not auto-call Gemini when L1 already opened the printing picker.

## Acceptance criteria

- [ ] `fromLayer1` on disambiguation state when `result.layer === 1`
- [ ] useEffect refine skipped when `fromLayer1`
- [ ] SCHEMA_MAP documents layer 1 = Tesseract