feat: implement cross-platform hotkey management and update frontend build infrastructure

scripts/VERSION

@@ -0,0 +1 @@
+1.67.0

scripts/build-linux.sh

@@ -15,6 +15,18 @@ echo "   wis-free-v3 - Linux Build Script"
 echo "========================================"
 echo ""
 
+VERSION_FILE="$(dirname "$0")/VERSION"
+APP_VERSION="dev"
+if [ -f "$VERSION_FILE" ]; then
+    APP_VERSION="$(head -n1 "$VERSION_FILE" | tr -d '\r\n')"
+    APP_VERSION="$(echo "$APP_VERSION" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')"
+fi
+if [ -z "$APP_VERSION" ]; then
+    APP_VERSION="dev"
+fi
+echo "[0/3] App version: $APP_VERSION"
+echo ""
+
 # Function to check if a command exists
 command_exists() {
     command -v "$1" >/dev/null 2>&1
@@ -98,7 +110,7 @@ if [ -d "frontend/node_modules/.bin" ]; then
     chmod +x frontend/node_modules/.bin/* 2>/dev/null || true
 fi
 
-wails build -platform linux/amd64 -clean
+wails build -platform linux/amd64 -clean -ldflags "-X main.AppVersion=${APP_VERSION}"
 
 if [ ! -f "$EXECUTABLE" ]; then
     echo "[ERROR] Build failed. Binary not found at $EXECUTABLE."

scripts/build.bat

@@ -10,6 +10,15 @@ echo    wis-free-v3 - Build Script
 echo ========================================
 echo.
 
+REM App version from scripts\VERSION (single line, e.g. 1.2.3)
+set "APP_VERSION=dev"
+if exist "%~dp0VERSION" (
+    for /f "delims=" %%V in ('powershell -NoProfile -Command "(Get-Content -LiteralPath '%~dp0VERSION' -Raw).Trim()" 2^>nul') do set "APP_VERSION=%%V"
+)
+if "!APP_VERSION!"=="" set "APP_VERSION=dev"
+echo [0/2] App version: !APP_VERSION!
+echo.
+
 REM Check if wails is installed
 where wails >nul 2>&1
 if %ERRORLEVEL% NEQ 0 (
@@ -72,7 +81,7 @@ if %ERRORLEVEL% NEQ 0 (
     exit /b 1
 )
 
-wails build -clean -ldflags="-linkmode internal" -skipbindings
+wails build -clean -ldflags "-linkmode internal -X main.AppVersion=!APP_VERSION!" -skipbindings
 
 if %ERRORLEVEL% NEQ 0 (
     echo.