encrypt overhead fix (33→36, noencrypt_len), mtu default 1280, connmonitor window, total_decrypted for TCP, check.sh

tools/chatgui-android/AGENTS.md

@@ -137,6 +137,12 @@ sdkmanager "platforms;android-36" "build-tools;36.0.0" "ndk;29.0.14206865"
 
 ## Сборка
 
+```
+./build.sh              # APK
+./build.sh install      # сборка + прошивка на подключённый телефон
+./build.sh install <SN> # на конкретный девайс
+```
+
 ### APK (Android)
 
 ```bash

tools/chatgui-android/build.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+set -eo pipefail
+cd "$(dirname "$0")"
+export ANDROID_HOME="${ANDROID_HOME:-/home/user/android}"
+echo "Building..."
+TMP=$(mktemp)
+if ! ./gradlew assembleDebug > "$TMP" 2>&1; then
+    cat "$TMP"
+    rm -f "$TMP"
+    exit 1
+fi
+rm -f "$TMP"
+echo "Build OK"
+if [ "$1" = "install" ]; then
+    DEV=${2:-$(adb devices 2>/dev/null | awk 'NR==2{print $1}')}
+    ADB=adb; [ -n "$DEV" ] && ADB="adb -s $DEV"
+    $ADB install -r app/build/outputs/apk/debug/app-debug.apk
+    echo "Install OK"
+fi