diff --git a/HANDOFF.md b/HANDOFF.md
index 149932e..1db4401 100644
--- a/HANDOFF.md
+++ b/HANDOFF.md
@@ -1,5 +1,23 @@
 # Gallery — development hand-off
 
+> **CURRENT (2026-11-02): the active app is the Tauri/WebView port in
+> `harnesses/gtauri/`** (package `wow.gmp.gallery`). Slint was concluded
+> janky at its base level; egui and Tauri were A/B/C tested — Tauri won
+> (0.00% dropped frames scripted on the 120 Hz phone). The Slint
+> material below is historical. Current watch architecture: MediaStore
+> ContentObserver in `MainActivity.kt` receives the changed URI, queries
+> that one row, drops a one-line payload (`.ms_recent.N`: `A|id|path|size`
+> or `D|id`), wakes Rust via zero-arg JNI; Rust applies it directly.
+> FS walk = startup baseline + 5-min reconciliation + mtime-diff
+> incremental; a walk that ERRORS is never applied (see scan.rs docs).
+>
+> **Emulator `pad_aosp` gotcha:** the image ships with
+> `debug.hwui.drawing_enabled=0` — every window renders BLACK (HWUI
+> drawing disabled system-wide). After each cold boot run:
+> `adb shell setprop debug.hwui.drawing_enabled 1` (runtime prop, not
+> persistent). Boot with `emulator -avd pad_aosp -no-window -no-audio`
+> (AVD has hw.gpu.enabled=no; do NOT pass -gpu flags).
+
 A high-performance image gallery for Android (primary), Linux and macOS,
 written in Rust with the **Slint** UI toolkit. This document is the starting
 point for development: it captures every decision, gotcha, and measurement