## ✨ What's new

- 🧰 **Tools tab** — Capture shortcuts, QR scan/generate, and a full offline PDF toolkit (read, merge, compress, password, watermark).
- 🤖 **Smarter document detection** — Multi-model corners (Lite / Standard / High / Accurate), physical-document gate, automatic model selection on by default, and a model benchmark screen.
- 📖 **Book-aware scanning** — Gutter trim for adjacent pages and stable outlines that resist jumping to nearby false edges.
- 🎨 **Better filters & dark mode** — Rebuilt document filters and optional pure black (AMOLED) surfaces under Look & feel.
- 📱 **Large-screen Tools UI** — Tablet-friendly hub, QR, and PDF flows with constrained actions and landscape-safe pickers.

## 🛠️ Fixes

- ✅ Gallery imports keep good offline detections; live import progress on Home, Tools, and Document detail.
- 📄 PDF toolkit reliability — merge stream handling, compress streaming, watermark export-accurate previews, and in-app result preview.
- 📐 QR mode survives rotation; PDF “Add selected” stays reachable in landscape.

> 📦 Automatic model selection calibrates Lite/Standard/High on your device. Accurate remains available as a manual option.