feat: mobile-like window size and always-visible stats

- Changed window size to mobile phone format (400x800)
- Removed width condition for ActiveProxyFooter - now always visible
- Added run-umbrix.sh launch script with icon copying
- Stats cards now display on all screen sizes

scripts/post-build-linux.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+# Скрипт для копирования libcore.so после Flutter build
+
+BUNDLE_DIR="build/linux/x64/release/bundle/lib"
+SOURCE_FILE="libcore/bin/lib/hiddify-core.so"
+
+if [ -f "$SOURCE_FILE" ]; then
+    echo "Копируем libcore.so в bundle..."
+    rm -f "$BUNDLE_DIR/libcore.so"
+    cp "$SOURCE_FILE" "$BUNDLE_DIR/libcore.so"
+    echo "✓ libcore.so скопирован"
+else
+    echo "⚠ Файл $SOURCE_FILE не найден. Запустите: make linux-libs"
+    exit 1
+fi