Adds Powershell scripts to tools.

tools/powershell/Build-Plugin.ps1

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+#!/usr/bin/env pwsh
+
+# Set strict mode for better error handling
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+# Find project root (two directories above this script)
+$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+$ProjectRoot = Split-Path -Parent (Split-Path -Parent $ScriptDir)
+
+# Save current location and change to project root
+Push-Location $ProjectRoot
+
+try {
+    # Build the project using Gradle
+    & ".\gradlew.bat" build
+} finally {
+    # Always restore the original location
+    Pop-Location
+}

tools/powershell/Deploy-Plugin.ps1

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+#!/usr/bin/env pwsh
+
+# Set strict mode for better error handling
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+# Check required environment variable
+if (-not $env:MINECRAFT_SERVER_PATH) {
+    Write-Error "Error: MINECRAFT_SERVER_PATH environment variable is not set."
+    exit 1
+}
+
+# Find project root (two directories above this script)
+$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+$ProjectRoot = Split-Path -Parent (Split-Path -Parent $ScriptDir)
+
+# Find the most recent plugin jar file
+$LibsPath = Join-Path $ProjectRoot "build\libs"
+$PluginJar = Get-ChildItem -Path "$LibsPath\*.jar" -ErrorAction SilentlyContinue | 
+    Sort-Object LastWriteTime -Descending | 
+    Select-Object -First 1
+
+if (-not $PluginJar) {
+    Write-Error "Error: No plugin jar found in $LibsPath. Build the plugin first."
+    exit 1
+}
+
+# Optional: Warn if jar is older than any source file
+$SourcePaths = @(
+    (Join-Path $ProjectRoot "src\main\java"),
+    (Join-Path $ProjectRoot "src\main\resources")
+)
+
+$NewerSourceFiles = Get-ChildItem -Path $SourcePaths -Recurse -File -ErrorAction SilentlyContinue | 
+    Where-Object { $_.LastWriteTime -gt $PluginJar.LastWriteTime }
+
+if ($NewerSourceFiles) {
+    Write-Host "Warning: The built plugin jar is older than some source files. Consider rebuilding." -ForegroundColor Yellow
+}
+
+# Create plugins directory if it doesn't exist
+$PluginsPath = Join-Path $env:MINECRAFT_SERVER_PATH "plugins"
+if (-not (Test-Path $PluginsPath)) {
+    New-Item -ItemType Directory -Path $PluginsPath -Force | Out-Null
+}
+
+# Copy the plugin jar to the plugins directory
+Copy-Item -Path $PluginJar.FullName -Destination $PluginsPath -Force
+Write-Host "Deployed $($PluginJar.Name) to $PluginsPath\"

tools/powershell/Start-Server.ps1

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+#!/usr/bin/env pwsh
+
+# Set strict mode for better error handling
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+# Check required environment variables
+if (-not $env:MINECRAFT_SERVER_PATH -or -not $env:MINECRAFT_SERVER_JAR) {
+    Write-Error "Error: MINECRAFT_SERVER_PATH and MINECRAFT_SERVER_JAR must be set."
+    exit 1
+}
+
+Push-Location $env:MINECRAFT_SERVER_PATH
+
+# Find running server process (java with the server jar)
+$ServerProcess = Get-Process -Name "java" -ErrorAction SilentlyContinue | Where-Object { 
+    $_.CommandLine -like "*$($env:MINECRAFT_SERVER_JAR)*" 
+}
+
+if ($ServerProcess) {
+    Write-Host "Minecraft server is running (PID: $($ServerProcess.Id)). Stopping it..."
+    Stop-Process -Id $ServerProcess.Id -Force
+    Start-Sleep -Seconds 5
+} else {
+    Write-Host "Minecraft server is not running."
+}
+
+# Start the server in a new window
+try {
+    $ServerJob = Start-Process -FilePath "java" -ArgumentList "-jar", $env:MINECRAFT_SERVER_JAR -PassThru
+    Write-Host "Minecraft server started in new window with PID: $($ServerJob.Id)"
+} finally {
+    Pop-Location
+}

tools/powershell/Stop-Server.ps1

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+#!/usr/bin/env pwsh
+
+# Set strict mode for better error handling
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+# Check required environment variables
+if (-not $env:MINECRAFT_SERVER_PATH -or -not $env:MINECRAFT_SERVER_JAR) {
+    Write-Error "Error: MINECRAFT_SERVER_PATH and MINECRAFT_SERVER_JAR must be set."
+    exit 1
+}
+
+# Find running server process (java with the server jar)
+$ServerProcess = Get-Process -Name "java" -ErrorAction SilentlyContinue | Where-Object { 
+    $_.CommandLine -like "*$($env:MINECRAFT_SERVER_JAR)*" 
+}
+
+if ($ServerProcess) {
+    Write-Host "Minecraft server is running (PID: $($ServerProcess.Id)). Stopping it..."
+    Stop-Process -Id $ServerProcess.Id -Force
+    Start-Sleep -Seconds 5
+    Write-Host "Minecraft server stopped."
+} else {
+    Write-Host "Minecraft server is not running."
+}