first commit

SwyxWeb: React-Frontend und Spring-Boot-Backend mit SwyxTray-Mock.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

backend/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,3 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip

backend/mvnw

@@ -0,0 +1,295 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.3.4
+#
+# Optional ENV vars
+# -----------------
+#   JAVA_HOME - location of a JDK home dir, required when download maven via java source
+#   MVNW_REPOURL - repo url base for downloading maven distribution
+#   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+#   MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
+# ----------------------------------------------------------------------------
+
+set -euf
+[ "${MVNW_VERBOSE-}" != debug ] || set -x
+
+# OS specific support.
+native_path() { printf %s\\n "$1"; }
+case "$(uname)" in
+CYGWIN* | MINGW*)
+  [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
+  native_path() { cygpath --path --windows "$1"; }
+  ;;
+esac
+
+# set JAVACMD and JAVACCMD
+set_java_home() {
+  # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+  if [ -n "${JAVA_HOME-}" ]; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ]; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+      JAVACCMD="$JAVA_HOME/jre/sh/javac"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACCMD="$JAVA_HOME/bin/javac"
+
+      if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
+        echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
+        echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
+        return 1
+      fi
+    fi
+  else
+    JAVACMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v java
+    )" || :
+    JAVACCMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v javac
+    )" || :
+
+    if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
+      echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
+      return 1
+    fi
+  fi
+}
+
+# hash string like Java String::hashCode
+hash_string() {
+  str="${1:-}" h=0
+  while [ -n "$str" ]; do
+    char="${str%"${str#?}"}"
+    h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
+    str="${str#?}"
+  done
+  printf %x\\n $h
+}
+
+verbose() { :; }
+[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
+
+die() {
+  printf %s\\n "$1" >&2
+  exit 1
+}
+
+trim() {
+  # MWRAPPER-139:
+  #   Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
+  #   Needed for removing poorly interpreted newline sequences when running in more
+  #   exotic environments such as mingw bash on Windows.
+  printf "%s" "${1}" | tr -d '[:space:]'
+}
+
+scriptDir="$(dirname "$0")"
+scriptName="$(basename "$0")"
+
+# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
+while IFS="=" read -r key value; do
+  case "${key-}" in
+  distributionUrl) distributionUrl=$(trim "${value-}") ;;
+  distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
+  esac
+done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties"
+[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+
+case "${distributionUrl##*/}" in
+maven-mvnd-*bin.*)
+  MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
+  case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
+  *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
+  :Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
+  :Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
+  :Linux*x86_64*) distributionPlatform=linux-amd64 ;;
+  *)
+    echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
+    distributionPlatform=linux-amd64
+    ;;
+  esac
+  distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
+  ;;
+maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
+*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
+esac
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
+distributionUrlName="${distributionUrl##*/}"
+distributionUrlNameMain="${distributionUrlName%.*}"
+distributionUrlNameMain="${distributionUrlNameMain%-bin}"
+MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
+MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
+
+exec_maven() {
+  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
+  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
+}
+
+if [ -d "$MAVEN_HOME" ]; then
+  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  exec_maven "$@"
+fi
+
+case "${distributionUrl-}" in
+*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
+*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
+esac
+
+# prepare tmp dir
+if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
+  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
+  trap clean HUP INT TERM EXIT
+else
+  die "cannot create temp dir"
+fi
+
+mkdir -p -- "${MAVEN_HOME%/*}"
+
+# Download and Install Apache Maven
+verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+verbose "Downloading from: $distributionUrl"
+verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+# select .zip or .tar.gz
+if ! command -v unzip >/dev/null; then
+  distributionUrl="${distributionUrl%.zip}.tar.gz"
+  distributionUrlName="${distributionUrl##*/}"
+fi
+
+# verbose opt
+__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
+[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
+
+# normalize http auth
+case "${MVNW_PASSWORD:+has-password}" in
+'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+esac
+
+if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
+  verbose "Found wget ... using wget"
+  wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
+elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
+  verbose "Found curl ... using curl"
+  curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
+elif set_java_home; then
+  verbose "Falling back to use Java to download"
+  javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
+  targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
+  cat >"$javaSource" <<-END
+	public class Downloader extends java.net.Authenticator
+	{
+	  protected java.net.PasswordAuthentication getPasswordAuthentication()
+	  {
+	    return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
+	  }
+	  public static void main( String[] args ) throws Exception
+	  {
+	    setDefault( new Downloader() );
+	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
+	  }
+	}
+	END
+  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
+  verbose " - Compiling Downloader.java ..."
+  "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
+  verbose " - Running Downloader.java ..."
+  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
+fi
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+if [ -n "${distributionSha256Sum-}" ]; then
+  distributionSha256Result=false
+  if [ "$MVN_CMD" = mvnd.sh ]; then
+    echo "Checksum validation is not supported for maven-mvnd." >&2
+    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  elif command -v sha256sum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  elif command -v shasum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
+    echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  fi
+  if [ $distributionSha256Result = false ]; then
+    echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
+    echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+# unzip and move
+if command -v unzip >/dev/null; then
+  unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
+else
+  tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
+fi
+
+# Find the actual extracted directory name (handles snapshots where filename != directory name)
+actualDistributionDir=""
+
+# First try the expected directory name (for regular distributions)
+if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then
+  if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then
+    actualDistributionDir="$distributionUrlNameMain"
+  fi
+fi
+
+# If not found, search for any directory with the Maven executable (for snapshots)
+if [ -z "$actualDistributionDir" ]; then
+  # enable globbing to iterate over items
+  set +f
+  for dir in "$TMP_DOWNLOAD_DIR"/*; do
+    if [ -d "$dir" ]; then
+      if [ -f "$dir/bin/$MVN_CMD" ]; then
+        actualDistributionDir="$(basename "$dir")"
+        break
+      fi
+    fi
+  done
+  set -f
+fi
+
+if [ -z "$actualDistributionDir" ]; then
+  verbose "Contents of $TMP_DOWNLOAD_DIR:"
+  verbose "$(ls -la "$TMP_DOWNLOAD_DIR")"
+  die "Could not find Maven distribution directory in extracted archive"
+fi
+
+verbose "Found extracted Maven distribution directory: $actualDistributionDir"
+printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url"
+mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
+
+clean || :
+exec_maven "$@"

backend/mvnw.cmd

@@ -0,0 +1,189 @@
+<# : batch portion
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.3.4
+@REM
+@REM Optional ENV vars
+@REM   MVNW_REPOURL - repo url base for downloading maven distribution
+@REM   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+@REM   MVNW_VERBOSE - true: enable verbose log; others: silence the output
+@REM ----------------------------------------------------------------------------
+
+@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
+@SET __MVNW_CMD__=
+@SET __MVNW_ERROR__=
+@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
+@SET PSModulePath=
+@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
+  IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
+)
+@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
+@SET __MVNW_PSMODULEP_SAVE=
+@SET __MVNW_ARG0_NAME__=
+@SET MVNW_USERNAME=
+@SET MVNW_PASSWORD=
+@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*)
+@echo Cannot start maven from wrapper >&2 && exit /b 1
+@GOTO :EOF
+: end batch / begin powershell #>
+
+$ErrorActionPreference = "Stop"
+if ($env:MVNW_VERBOSE -eq "true") {
+  $VerbosePreference = "Continue"
+}
+
+# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
+$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
+if (!$distributionUrl) {
+  Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+}
+
+switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
+  "maven-mvnd-*" {
+    $USE_MVND = $true
+    $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
+    $MVN_CMD = "mvnd.cmd"
+    break
+  }
+  default {
+    $USE_MVND = $false
+    $MVN_CMD = $script -replace '^mvnw','mvn'
+    break
+  }
+}
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+if ($env:MVNW_REPOURL) {
+  $MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" }
+  $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')"
+}
+$distributionUrlName = $distributionUrl -replace '^.*/',''
+$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
+
+$MAVEN_M2_PATH = "$HOME/.m2"
+if ($env:MAVEN_USER_HOME) {
+  $MAVEN_M2_PATH = "$env:MAVEN_USER_HOME"
+}
+
+if (-not (Test-Path -Path $MAVEN_M2_PATH)) {
+    New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null
+}
+
+$MAVEN_WRAPPER_DISTS = $null
+if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) {
+  $MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists"
+} else {
+  $MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists"
+}
+
+$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain"
+$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
+$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
+
+if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
+  Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
+  exit $?
+}
+
+if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
+  Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
+}
+
+# prepare tmp dir
+$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
+$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
+$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
+trap {
+  if ($TMP_DOWNLOAD_DIR.Exists) {
+    try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+    catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+  }
+}
+
+New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
+
+# Download and Install Apache Maven
+Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+Write-Verbose "Downloading from: $distributionUrl"
+Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+$webclient = New-Object System.Net.WebClient
+if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
+  $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
+}
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
+if ($distributionSha256Sum) {
+  if ($USE_MVND) {
+    Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
+  }
+  Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
+  if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
+    Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
+  }
+}
+
+# unzip and move
+Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
+
+# Find the actual extracted directory name (handles snapshots where filename != directory name)
+$actualDistributionDir = ""
+
+# First try the expected directory name (for regular distributions)
+$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain"
+$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD"
+if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) {
+  $actualDistributionDir = $distributionUrlNameMain
+}
+
+# If not found, search for any directory with the Maven executable (for snapshots)
+if (!$actualDistributionDir) {
+  Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object {
+    $testPath = Join-Path $_.FullName "bin/$MVN_CMD"
+    if (Test-Path -Path $testPath -PathType Leaf) {
+      $actualDistributionDir = $_.Name
+    }
+  }
+}
+
+if (!$actualDistributionDir) {
+  Write-Error "Could not find Maven distribution directory in extracted archive"
+}
+
+Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir"
+Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null
+try {
+  Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
+} catch {
+  if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
+    Write-Error "fail to move MAVEN_HOME"
+  }
+} finally {
+  try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+  catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+}
+
+Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"

backend/pom.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>4.1.0</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>de.appcreation</groupId>
+	<artifactId>backend</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>swyxweb-backend</name>
+	<description>Spring-Boot-Backend mit WebSocket-Endpunkt für die SwyxWeb-Startseite</description>
+
+	<properties>
+		<java.version>21</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-webmvc</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-websocket</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-webmvc-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-websocket-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

backend/src/main/java/de/appcreation/swyxweb/BackendApplication.java

@@ -0,0 +1,15 @@
+package de.appcreation.swyxweb;
+
+import de.appcreation.swyxweb.config.WebSocketProperties;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+
+@SpringBootApplication
+@EnableConfigurationProperties(WebSocketProperties.class)
+public class BackendApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(BackendApplication.class, args);
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/config/CorsConfig.java

@@ -0,0 +1,19 @@
+package de.appcreation.swyxweb.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/**
+ * Erlaubt dem Vite-Dev-Server den Zugriff auf die REST-Endpunkte.
+ */
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/api/**")
+                .allowedOriginPatterns("*")
+                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS");
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/config/WebSocketConfig.java

@@ -0,0 +1,31 @@
+package de.appcreation.swyxweb.config;
+
+import de.appcreation.swyxweb.websocket.SwyxTrayMockHandler;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.socket.config.annotation.EnableWebSocket;
+import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
+import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
+
+/**
+ * Stellt den SwyxTray-Mock unter dem konfigurierten Pfad bereit, damit sich die
+ * Startseite auch ohne die echte SwyxTray-App testen lässt.
+ */
+@Configuration
+@EnableWebSocket
+public class WebSocketConfig implements WebSocketConfigurer {
+
+    private final SwyxTrayMockHandler handler;
+    private final WebSocketProperties properties;
+
+    public WebSocketConfig(SwyxTrayMockHandler handler, WebSocketProperties properties) {
+        this.handler = handler;
+        this.properties = properties;
+    }
+
+    @Override
+    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
+        registry.addHandler(handler, properties.path())
+                // Der Browser meldet sich von einem anderen Origin (Vite-Dev-Server) aus an.
+                .setAllowedOriginPatterns("*");
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/config/WebSocketProperties.java

@@ -0,0 +1,15 @@
+package de.appcreation.swyxweb.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Verbindungsdaten des WebSocket-Servers, die das Frontend über /api/config abholt.
+ */
+@ConfigurationProperties(prefix = "app.websocket")
+public record WebSocketProperties(String host, int port, String path, boolean secure) {
+
+    /** Fertige URL, z. B. ws://192.168.180.135:8080/ws */
+    public String url() {
+        return (secure ? "wss" : "ws") + "://" + host + ":" + port + path;
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/web/ConfigController.java

@@ -0,0 +1,38 @@
+package de.appcreation.swyxweb.web;
+
+import de.appcreation.swyxweb.config.WebSocketProperties;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Liefert dem Frontend die Laufzeit-Konfiguration, damit die WebSocket-Adresse
+ * nicht im JavaScript-Bundle fest verdrahtet werden muss.
+ */
+@RestController
+@RequestMapping("/api")
+public class ConfigController {
+
+    private final WebSocketProperties properties;
+
+    public ConfigController(WebSocketProperties properties) {
+        this.properties = properties;
+    }
+
+    public record ClientConfig(String websocketUrl, String host, int port, String path) {
+    }
+
+    @GetMapping("/config")
+    public ClientConfig config() {
+        return new ClientConfig(
+                properties.url(),
+                properties.host(),
+                properties.port(),
+                properties.path());
+    }
+
+    @GetMapping("/health")
+    public java.util.Map<String, String> health() {
+        return java.util.Map.of("status", "UP");
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/web/MockController.java

@@ -0,0 +1,32 @@
+package de.appcreation.swyxweb.web;
+
+import de.appcreation.swyxweb.websocket.LineState;
+import de.appcreation.swyxweb.websocket.SwyxTrayMockHandler;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Auslöser für den SwyxTray-Mock: simuliert einen eingehenden Anruf, damit sich
+ * die Anrufmeldung der Startseite ohne echte Telefonanlage prüfen lässt.
+ *
+ * <pre>curl -X POST "http://localhost:8080/api/mock/incoming-call?number=%2B493012345&name=Muster%20GmbH"</pre>
+ */
+@RestController
+@RequestMapping("/api/mock")
+public class MockController {
+
+    private final SwyxTrayMockHandler mock;
+
+    public MockController(SwyxTrayMockHandler mock) {
+        this.mock = mock;
+    }
+
+    @PostMapping("/incoming-call")
+    public LineState incomingCall(
+            @RequestParam(required = false) String number,
+            @RequestParam(required = false) String name) {
+        return mock.simulateIncomingCall(number, name);
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/websocket/LineState.java

@@ -0,0 +1,86 @@
+package de.appcreation.swyxweb.websocket;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+/**
+ * Leitungseintrag im Snapshot – Feldnamen und Werte wie bei der echten
+ * SwyxTray-App: {@code state} trägt den Namen aus der CLMgr-Aufzählung
+ * {@code LineState}, {@code stateText} den deutschen Klartext aus SwyxIt!.
+ *
+ * <p>Mitgeschnitten und damit bestätigt sind {@code LSInactive / 0 / "frei"} und
+ * {@code LSRinging / 3 / "klingelt"}; die Werte für Wählen und Gespräch sind der
+ * Aufzählung nachempfunden. Die Startseite wertet {@code state} und
+ * {@code stateText} aus, nicht {@code stateCode}.
+ */
+public record LineState(
+        int line,
+        String state,
+        int stateCode,
+        String stateText,
+        String peer,
+        String peerNumber,
+        String peerName,
+        boolean busy,
+        boolean selected) {
+
+    public static final String FREE = "LSInactive";
+    public static final String RINGING = "LSRinging";
+    public static final String DIALING = "LSDialing";
+    public static final String ACTIVE = "LSActive";
+
+    /** Platzhalter der App für eine Leitung ohne Gegenstelle. */
+    private static final String NO_PEER = "unbekannt";
+
+    public static LineState free(int line) {
+        return new LineState(line, FREE, 0, "frei", NO_PEER, "", "", false, false);
+    }
+
+    public static LineState ringing(int line, String number, String name) {
+        return occupied(line, RINGING, 3, "klingelt", number, name);
+    }
+
+    @JsonIgnore
+    public boolean isRinging() {
+        return RINGING.equals(state);
+    }
+
+    public static LineState dialing(int line, String number, String name) {
+        return occupied(line, DIALING, 2, "wählt", number, name);
+    }
+
+    public LineState connected() {
+        return occupied(line, ACTIVE, 6, "verbunden", peerNumber, peerName);
+    }
+
+    /** Nur für den Mock – die App kennt dieses Feld nicht, also nicht serialisieren. */
+    @JsonIgnore
+    public boolean isFree() {
+        return FREE.equals(state);
+    }
+
+    private static LineState occupied(
+            int line, String state, int stateCode, String stateText, String number, String name) {
+        return new LineState(
+                line, state, stateCode, stateText,
+                peerOf(number, name),
+                number == null ? "" : number,
+                name == null ? "" : name,
+                true, true);
+    }
+
+    /**
+     * Fertige Anzeigeform: Name mit Nummer in Klammern; fehlt eines, nur der
+     * vorhandene Wert.
+     */
+    private static String peerOf(String number, String name) {
+        boolean hasName = name != null && !name.isBlank();
+        boolean hasNumber = number != null && !number.isBlank();
+        if (hasName && hasNumber) {
+            return name + " (" + number + ")";
+        }
+        if (hasName) {
+            return name;
+        }
+        return hasNumber ? number : NO_PEER;
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/websocket/MockTab.java

@@ -0,0 +1,15 @@
+package de.appcreation.swyxweb.websocket;
+
+/**
+ * Tab des Firefox-Plugins im Mock – Feldnamen wie in der Quittung auf
+ * {@code tabs}: {@code {"id":43,"title":"…","url":"https://…","active":true}}.
+ *
+ * <p>Die echte SwyxTray-App erzeugt diese Einträge nicht selbst; sie reicht die
+ * Antwort des Plugins unverändert durch.
+ */
+public record MockTab(int id, String title, String url, boolean active) {
+
+    public MockTab withActive(boolean nowActive) {
+        return new MockTab(id, title, url, nowActive);
+    }
+}

backend/src/main/java/de/appcreation/swyxweb/websocket/SwyxTrayMockHandler.java

@@ -0,0 +1,405 @@
+package de.appcreation.swyxweb.websocket;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import tools.jackson.databind.JsonNode;
+import tools.jackson.databind.ObjectMapper;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+import org.springframework.web.socket.CloseStatus;
+import org.springframework.web.socket.TextMessage;
+import org.springframework.web.socket.WebSocketSession;
+import org.springframework.web.socket.handler.TextWebSocketHandler;
+
+/**
+ * Simuliert die SwyxTray-App für Entwicklung und Test – im Format, das gegen die
+ * echte App (Version 1.0.0.0, {@code protocol: 1}) mitgeschnitten wurde.
+ *
+ * <ul>
+ *   <li>Beim Verbinden: {@code {"app":"SwyxTray",…,"type":"hello"}}, danach ein Snapshot.</li>
+ *   <li>Kommando: {@code {"id":7,"cmd":"call","number":"…"}}
+ *       → {@code {"id":7,"ok":true,"line":2,"type":"result"}}</li>
+ *   <li><b>Keine Ereignisnachrichten.</b> Jede Änderung geht als vollständiger
+ *       {@code snapshot} über alle Leitungen raus – auch ein eingehender Anruf.</li>
+ * </ul>
+ *
+ * Ein eingehender Anruf lässt sich über {@code POST /api/mock/incoming-call} auslösen.
+ *
+ * <p>Seit Protokoll 6 beantwortet der Mock zusätzlich {@code tabs}, {@code opentab} und
+ * {@code closetab}. Die echte App reicht diese Kommandos an das Firefox-Plugin durch;
+ * der Mock spielt das Plugin und führt eine Liste vorgetäuschter Tabs im Speicher.
+ */
+@Component
+public class SwyxTrayMockHandler extends TextWebSocketHandler {
+
+    private static final Logger log = LoggerFactory.getLogger(SwyxTrayMockHandler.class);
+
+    /** So viele Leitungen meldet die echte App. */
+    private static final int LINE_COUNT = 4;
+
+    /** Vorgetäuschte Fenstertitel für {@code focus} – damit beide Zweige prüfbar sind. */
+    private static final List<String> MOCK_WINDOWS = List.of(
+            "SwyxIt!", "SwyxWeb – Google Chrome", "Kundenakte Muster GmbH");
+
+    /** Protokollstand der echten App seit der Tab-Verwaltung. */
+    private static final int PROTOCOL_VERSION = 6;
+
+    private final ObjectMapper mapper;
+    private final Map<String, WebSocketSession> sessions = new ConcurrentHashMap<>();
+    private final Map<Integer, LineState> lines = new ConcurrentHashMap<>();
+    // Vorgetäuschte Tabs des Firefox-Plugins, in der Reihenfolge des Öffnens.
+    private final Map<Integer, MockTab> tabs = Collections.synchronizedMap(new LinkedHashMap<>());
+    private final AtomicInteger nextTabId = new AtomicInteger(41);
+    private final AtomicInteger nextSession = new AtomicInteger();
+    // Serialisiert Begrüßung und Snapshot, damit die Reihenfolge garantiert ist.
+    private final Object sendLock = new Object();
+
+    public SwyxTrayMockHandler(ObjectMapper mapper) {
+        this.mapper = mapper;
+        for (int line = 1; line <= LINE_COUNT; line++) {
+            lines.put(line, LineState.free(line));
+        }
+        // Zwei Tabs von Anfang an, damit die Startseite etwas anzuzeigen hat.
+        addTab("SwyxWeb", "http://localhost:5173/");
+        addTab("Kundenakte Muster GmbH", "https://crm.example.local/kunden/4711");
+    }
+
+    @Override
+    public void afterConnectionEstablished(WebSocketSession session) {
+        sessions.put(session.getId(), session);
+        log.info("SwyxTray-Mock: Client {} verbunden ({} aktiv)", session.getId(), sessions.size());
+        synchronized (sendLock) {
+            sendText(session, toJson(hello()));
+            sendText(session, toJson(snapshot()));
+        }
+    }
+
+    @Override
+    public void afterConnectionClosed(WebSocketSession session, CloseStatus status) {
+        sessions.remove(session.getId());
+        log.info("SwyxTray-Mock: Client {} getrennt ({}) – {} aktiv", session.getId(), status, sessions.size());
+    }
+
+    @Override
+    protected void handleTextMessage(WebSocketSession session, TextMessage message) {
+        JsonNode request;
+        try {
+            request = mapper.readTree(message.getPayload());
+        } catch (Exception e) {
+            sendText(session, toJson(result(0, false, null, "Ungültiges JSON: " + e.getMessage())));
+            return;
+        }
+
+        int id = request.path("id").asInt(0);
+        String cmd = request.path("cmd").asString(null);
+        log.debug("SwyxTray-Mock: Kommando {} (id={})", cmd, id);
+
+        if (cmd == null) {
+            sendText(session, toJson(result(id, false, null, "Feld 'cmd' fehlt.")));
+            return;
+        }
+
+        try {
+            // `focus` rührt keine Leitung an und schickt deshalb auch keinen Snapshot.
+            if ("focus".equals(cmd)) {
+                boolean focused = focus(request.path("title").asString(null),
+                        request.path("url").asString(null));
+                sendText(session, toJson(focusResult(id, focused)));
+                return;
+            }
+
+            // Die drei Tab-Kommandos gehen bei der echten App ans Firefox-Plugin;
+            // sie berühren die Leitungen ebenfalls nicht.
+            switch (cmd) {
+                case "tabs" -> {
+                    sendText(session, toJson(tabsResult(id, listTabs())));
+                    return;
+                }
+                case "opentab" -> {
+                    sendText(session, toJson(openTabResult(id, openTab(request.path("url").asString(null)))));
+                    return;
+                }
+                case "closetab" -> {
+                    closeTab(request.path("tabId"));
+                    sendText(session, toJson(result(id, true, null, null)));
+                    return;
+                }
+                default -> { /* weiter unten */ }
+            }
+
+            Integer line = switch (cmd) {
+                case "call" -> dial(request.path("number").asString(null));
+                case "answer" -> answer(requiredLine(request));
+                case "hangup" -> hangup(requiredLine(request));
+                case "ping", "status" -> null;
+                default -> throw new IllegalArgumentException("Unbekanntes Kommando '" + cmd + "'.");
+            };
+            sendText(session, toJson(result(id, true, line, null)));
+            broadcastSnapshot();
+        } catch (IllegalArgumentException | IllegalStateException e) {
+            sendText(session, toJson(result(id, false, null, e.getMessage())));
+        }
+    }
+
+    // --- Kommandos -------------------------------------------------------
+
+    /**
+     * Nimmt den Wählauftrag an und belegt eine freie Leitung – wie CLMgr, das
+     * asynchron wählt; der Verlauf kommt über die folgenden Snapshots.
+     */
+    private int dial(String number) {
+        if (number == null || number.isBlank()) {
+            throw new IllegalArgumentException("Parameter 'number' fehlt.");
+        }
+        int line = freeLine();
+        lines.put(line, LineState.dialing(line, number.trim(), null));
+        log.info("SwyxTray-Mock: Wähle {} auf Leitung {}", number, line);
+        return line;
+    }
+
+    private int answer(int line) {
+        lines.put(line, occupied(line).connected());
+        return line;
+    }
+
+    private int hangup(int line) {
+        occupied(line);
+        lines.put(line, LineState.free(line));
+        return line;
+    }
+
+    /**
+     * Simuliert {@code focus}: Fenster mit passendem Titel „in den Vordergrund holen",
+     * sonst „Browser starten". Der Mock öffnet natürlich nichts, er protokolliert nur –
+     * die Antworten entsprechen aber denen der echten App.
+     *
+     * @return {@code true}, wenn ein Fenster gefunden wurde
+     */
+    private boolean focus(String title, String url) {
+        if (title == null || title.isBlank()) {
+            throw new IllegalArgumentException("Feld 'title' fehlt.");
+        }
+        String wanted = title.trim();
+        boolean found = MOCK_WINDOWS.stream()
+                .anyMatch(window -> window.toLowerCase().contains(wanted.toLowerCase()));
+        if (found) {
+            log.info("SwyxTray-Mock: Fenster '{}' in den Vordergrund geholt", wanted);
+            return true;
+        }
+        if (url == null || url.isBlank()) {
+            throw new IllegalArgumentException(
+                    "Kein Fenster mit Titel '" + wanted + "' gefunden und keine URL angegeben.");
+        }
+        log.info("SwyxTray-Mock: Kein Fenster '{}' – würde {} im Browser öffnen", wanted, url.trim());
+        return false;
+    }
+
+    /** Die offenen Tabs in der Reihenfolge des Öffnens. */
+    private List<MockTab> listTabs() {
+        synchronized (tabs) {
+            return List.copyOf(tabs.values());
+        }
+    }
+
+    /**
+     * Simuliert {@code opentab}. Die echte App prüft die Adresse selbst und lässt
+     * nur absolute http(s)-Adressen durch – der Mock hält sich an dieselbe Regel.
+     *
+     * @return Kennung des neuen Tabs
+     */
+    private int openTab(String url) {
+        if (url == null || url.isBlank()) {
+            throw new IllegalArgumentException("Feld 'url' fehlt.");
+        }
+        String wanted = url.trim();
+        URI uri;
+        try {
+            uri = URI.create(wanted);
+        } catch (IllegalArgumentException e) {
+            throw new IllegalArgumentException("Ungültige URL '" + wanted + "'.");
+        }
+        String scheme = uri.getScheme() == null ? "" : uri.getScheme().toLowerCase();
+        if (!uri.isAbsolute() || !(scheme.equals("http") || scheme.equals("https"))) {
+            throw new IllegalArgumentException(
+                    "Nur absolute http(s)-Adressen sind erlaubt, nicht '" + wanted + "'.");
+        }
+        MockTab tab = addTab(uri.getHost() == null ? wanted : uri.getHost(), wanted);
+        log.info("SwyxTray-Mock: Tab {} für {} geöffnet", tab.id(), wanted);
+        return tab.id();
+    }
+
+    /** Simuliert {@code closetab}; eine unbekannte Kennung ergibt einen Fehler. */
+    private void closeTab(JsonNode tabId) {
+        if (!tabId.isNumber()) {
+            throw new IllegalArgumentException("Feld 'tabId' fehlt.");
+        }
+        int id = tabId.asInt();
+        synchronized (tabs) {
+            if (tabs.remove(id) == null) {
+                throw new IllegalArgumentException("Kein Tab mit der Kennung " + id + ".");
+            }
+        }
+        log.info("SwyxTray-Mock: Tab {} geschlossen", id);
+    }
+
+    /** Legt einen Tab an; der zuletzt geöffnete ist der aktive. */
+    private MockTab addTab(String title, String url) {
+        MockTab tab = new MockTab(nextTabId.incrementAndGet(), title, url, true);
+        synchronized (tabs) {
+            tabs.replaceAll((id, existing) -> existing.withActive(false));
+            tabs.put(tab.id(), tab);
+        }
+        return tab;
+    }
+
+    /** Löst einen eingehenden Anruf aus: Leitung belegen, Snapshot verschicken. */
+    public LineState simulateIncomingCall(String number, String name) {
+        int line = freeLine();
+        LineState state = LineState.ringing(
+                line,
+                number == null || number.isBlank() ? "+493012345" : number.trim(),
+                name == null || name.isBlank() ? null : name.trim());
+        lines.put(line, state);
+        log.info("SwyxTray-Mock: Eingehender Anruf von {} auf Leitung {}", state.peer(), line);
+        broadcastSnapshot();
+        return state;
+    }
+
+    // --- Hilfsmittel -----------------------------------------------------
+
+    private int requiredLine(JsonNode request) {
+        JsonNode node = request.path("line");
+        if (!node.isNumber()) {
+            throw new IllegalArgumentException("Parameter 'line' fehlt.");
+        }
+        return node.asInt();
+    }
+
+    private LineState occupied(int line) {
+        LineState state = lines.get(line);
+        if (state == null || state.isFree()) {
+            throw new IllegalArgumentException("Leitung " + line + " ist nicht belegt.");
+        }
+        return state;
+    }
+
+    private int freeLine() {
+        for (int line = 1; line <= LINE_COUNT; line++) {
+            if (lines.get(line).isFree()) {
+                return line;
+            }
+        }
+        throw new IllegalStateException("Alle Leitungen sind belegt.");
+    }
+
+    private Map<String, Object> hello() {
+        Map<String, Object> message = new LinkedHashMap<>();
+        message.put("app", "SwyxTray");
+        message.put("version", "mock");
+        message.put("protocol", PROTOCOL_VERSION);
+        message.put("session", nextSession.incrementAndGet());
+        message.put("type", "hello");
+        return message;
+    }
+
+    /** Vollzustand über <b>alle</b> Leitungen, auch die freien – wie die echte App. */
+    private Map<String, Object> snapshot() {
+        List<LineState> entries = new ArrayList<>(LINE_COUNT);
+        for (int line = 1; line <= LINE_COUNT; line++) {
+            entries.add(lines.get(line));
+        }
+        boolean anyRinging = entries.stream().anyMatch(state -> state.isRinging());
+        boolean anyBusy = entries.stream().anyMatch(state -> !state.isFree());
+
+        Map<String, Object> message = new LinkedHashMap<>();
+        message.put("connected", true);
+        message.put("serverUp", true);
+        // Gesamtzustand wie die echte App: "Ringing"/"Eingehender Ruf" bzw. "Idle"/"Bereit".
+        message.put("overall", anyRinging ? "Ringing" : anyBusy ? "Busy" : "Idle");
+        message.put("statusText", anyRinging ? "Eingehender Ruf" : anyBusy ? "Im Gespräch" : "Bereit");
+        message.put("user", "Mock, M.");
+        message.put("server", "127.0.0.1");
+        message.put("lines", entries);
+        message.put("type", "snapshot");
+        return message;
+    }
+
+    /** Quittung auf {@code focus}; trägt statt der Leitung das Feld {@code focused}. */
+    private Map<String, Object> focusResult(int id, boolean focused) {
+        Map<String, Object> message = new LinkedHashMap<>();
+        message.put("id", id);
+        message.put("ok", true);
+        message.put("focused", focused);
+        message.put("type", "result");
+        return message;
+    }
+
+    /** Quittung auf {@code tabs}; trägt die Liste der Tabs. */
+    private Map<String, Object> tabsResult(int id, List<MockTab> entries) {
+        Map<String, Object> message = new LinkedHashMap<>();
+        message.put("id", id);
+        message.put("ok", true);
+        message.put("tabs", entries);
+        message.put("type", "result");
+        return message;
+    }
+
+    /** Quittung auf {@code opentab}; trägt die Kennung des neuen Tabs. */
+    private Map<String, Object> openTabResult(int id, int tabId) {
+        Map<String, Object> message = new LinkedHashMap<>();
+        message.put("id", id);
+        message.put("ok", true);
+        message.put("tabId", tabId);
+        message.put("type", "result");
+        return message;
+    }
+
+    private Map<String, Object> result(int id, boolean ok, Integer line, String error) {
+        Map<String, Object> message = new LinkedHashMap<>();
+        message.put("id", id);
+        message.put("ok", ok);
+        if (line != null) {
+            message.put("line", line);
+        }
+        if (error != null) {
+            message.put("error", error);
+        }
+        message.put("type", "result");
+        return message;
+    }
+
+    private void broadcastSnapshot() {
+        String json = toJson(snapshot());
+        synchronized (sendLock) {
+            sessions.values().forEach(session -> sendText(session, json));
+        }
+    }
+
+    private String toJson(Object value) {
+        return mapper.writeValueAsString(value);
+    }
+
+    private void sendText(WebSocketSession session, String json) {
+        if (!session.isOpen()) {
+            return;
+        }
+        // sendMessage ist nicht threadsicher – Zugriffe pro Session serialisieren.
+        synchronized (session) {
+            try {
+                session.sendMessage(new TextMessage(json));
+            } catch (IOException e) {
+                log.warn("Senden an {} fehlgeschlagen: {}", session.getId(), e.getMessage());
+            }
+        }
+    }
+}

backend/src/main/resources/application.properties

@@ -0,0 +1,14 @@
+spring.application.name=swyxweb-backend
+
+# Port dieser Anwendung (REST-API und der eingebaute Test-Endpunkt /ws).
+server.address=0.0.0.0
+server.port=8080
+
+# Adresse des WebSocket-Servers, die das Frontend über /api/config als
+# Verbindungsziel bekommt. Unabhängig vom Port dieser Anwendung.
+app.websocket.host=192.168.180.135
+app.websocket.port=17654
+app.websocket.path=/ws
+app.websocket.secure=false
+
+logging.level.de.appcreation.swyxweb=DEBUG

backend/src/test/java/de/appcreation/swyxweb/BackendApplicationTests.java

@@ -0,0 +1,13 @@
+package de.appcreation.swyxweb;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class BackendApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}