diff --git a/build-vulcast-vertical.ps1 b/build-vulcast-vertical.ps1
index 37a1dc6..0cd2a01 100644
--- a/build-vulcast-vertical.ps1
+++ b/build-vulcast-vertical.ps1
@@ -1,169 +1,51 @@
-#Requires -Version 7.2
+#Requires -Version 5.1
+param()
 $ErrorActionPreference = 'Stop'
-$ProgressPreference = 'SilentlyContinue'
+$CacheDir = Join-Path $env:LOCALAPPDATA "vulcast-build"
+$PluginDir = Join-Path $CacheDir "vulcast-vertical"
+$PluginBuild = Join-Path $PluginDir "build"
 
-$OBS_VERSION = '31.1.1'
-$DEPS_DATE = '2025-07-11'
-$WORK = "$env:LOCALAPPDATA\vulcast-build"
-$SRC = "$WORK\vulcast-vertical"
-$OBS_PLUGIN_DIR = "${env:ProgramFiles}\obs-studio\obs-plugins\64bit"
+Write-Host "=== Vulcast Vertical Build ===" -ForegroundColor Cyan
 
-Write-Host "=== Vulcast Vertical Build Script ===" -ForegroundColor Cyan
-Write-Host ""
+# 1. Find VS Build Tools
+$vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
+if (!(Test-Path $vswhere)) { throw "VS Build Tools not found. Install from https://visualstudio.microsoft.com/downloads/#build-tools-for-visual-studio-2022" }
+$installPath = & $vswhere -latest -products * -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -property installationPath 2>$null
+if (!$installPath) { throw "VS Build Tools not found" }
+$vcvarsall = Join-Path $installPath "VC\Auxiliary\Build\vcvarsall.bat"
+if (!(Test-Path $vcvarsall)) { throw "vcvarsall.bat not found" }
 
-# ---------- Build Tools ----------
-function Find-MSVC {
-    $vsWhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
-    if (Test-Path $vsWhere) {
-        $p = & $vsWhere -latest -property installationPath 2>$null
-        if ($p) { return $p }
-    }
-    foreach ($v in '2022','2019') {
-        foreach ($ed in 'BuildTools','Community','Professional','Enterprise') {
-            foreach ($base in "${env:ProgramFiles(x86)}","${env:ProgramFiles}") {
-                $p = "$base\Microsoft Visual Studio\$v\$ed"
-                if (Test-Path "$p\VC\Auxiliary\Build\vcvarsall.bat") { return $p }
-            }
-        }
-    }
-    return $null
-}
-
-$vsPath = Find-MSVC
-if (-not $vsPath) {
-    Write-Host "Installing VS 2022 Build Tools (~3GB, 5-15 min)..." -ForegroundColor Yellow
-    $installer = "$env:TEMP\vs_buildtools.exe"
-    if (-not (Test-Path $installer)) {
-        Invoke-WebRequest -Uri 'https://aka.ms/vs/17/release/vs_BuildTools.exe' -OutFile $installer
-    }
-    $proc = Start-Process -FilePath $installer -ArgumentList @(
-        '--quiet','--wait','--norestart',
-        '--add','Microsoft.VisualStudio.Workload.VCTools',
-        '--add','Microsoft.VisualStudio.Component.VC.Tools.x86.x64',
-        '--add','Microsoft.VisualStudio.Component.Windows11SDK.22621',
-        '--includeRecommended'
-    ) -Wait -PassThru
-    if ($proc.ExitCode -ne 0 -and $proc.ExitCode -ne 3010) {
-        Write-Error "Install failed. Get it from https://visualstudio.microsoft.com/downloads/"
-        exit 1
-    }
-    $vsPath = Find-MSVC
-    if (-not $vsPath) { Write-Error "Restart terminal and run again."; exit 1 }
-    Write-Host "[OK] Installed: $vsPath`n" -ForegroundColor Green
+# 2. Clone or update plugin source (deps live in .deps/ inside source - persists)
+if (!(Test-Path (Join-Path $PluginDir ".git"))) {
+    Write-Host "[1/3] Cloning source..." -ForegroundColor Cyan
+    if (Test-Path $PluginDir) { Remove-Item $PluginDir -Recurse -Force }
+    git clone --depth 1 "ssh://git@git.216-75-142-55.sslip.io:2222/wawadmin/vulcast-vertical.git" $PluginDir
 } else {
-    Write-Host "[OK] Build Tools: $vsPath`n" -ForegroundColor Green
+    Write-Host "[1/3] Pulling updates..." -ForegroundColor Cyan
+    git -C $PluginDir pull
 }
 
-$vcvars = Get-ChildItem -Path $vsPath -Recurse -Filter 'vcvarsall.bat' -ErrorAction SilentlyContinue |
-    Select-Object -First 1 -ExpandProperty FullName
-Write-Host "Setting up MSVC x64..." -ForegroundColor Yellow
-cmd /c "`"$vcvars`" x64 >nul 2>&1 && set" | ForEach-Object {
-    if ($_ -match '^([^=]+)=(.*)$') {
-        [System.Environment]::SetEnvironmentVariable($Matches[1], $Matches[2])
-    }
-}
-if (Get-Command cl.exe -ErrorAction SilentlyContinue) { Write-Host "[OK] cl.exe ready`n" -ForegroundColor Green }
+# 3. Build plugin (incremental - cmake caches deps in .deps/)
+Write-Host "[2/3] Configuring cmake..." -ForegroundColor Cyan
+New-Item -ItemType Directory -Path $PluginBuild -Force | Out-Null
 
-# ---------- Directories ----------
-New-Item -ItemType Directory -Path $WORK -Force | Out-Null
-$DEPS = "$WORK\deps"
-$OBS = "$WORK\obs-studio"
+cmd /c "call `"$vcvarsall`" x64 && cmake -S `"$PluginDir`" -B `"$PluginBuild`" -G `"Visual Studio 17 2022`" -A x64 -DCMAKE_BUILD_TYPE=Release"
+if ($LASTEXITCODE -ne 0) { throw "cmake configure failed" }
 
-# ---------- Step 1: Source ----------
-Write-Host "[1/5] Source code" -ForegroundColor Cyan
-if (-not (Test-Path "$SRC\CMakeLists.txt")) {
-    Write-Host "  Downloading..." -ForegroundColor Yellow
-    Invoke-WebRequest -Uri 'https://vulcast.xyz/dl/vulcast-vertical-source.zip' -OutFile "$WORK\source.zip"
-    Expand-Archive -Path "$WORK\source.zip" -DestinationPath $WORK -Force
+Write-Host "[3/3] Building DLL..." -ForegroundColor Cyan
+cmd /c "call `"$vcvarsall`" x64 && cmake --build `"$PluginBuild`" --config Release -- /p:BuildInParallel=true"
+if ($LASTEXITCODE -ne 0) { throw "Build failed" }
+
+# Find and install DLL
+$dll = Get-ChildItem -Path $PluginBuild -Recurse -Filter "vulcast-vertical.dll" -ErrorAction SilentlyContinue | Select-Object -First 1
+if (!$dll) { $dll = Get-ChildItem -Path $PluginBuild -Recurse -Filter "vertical-canvas.dll" -ErrorAction SilentlyContinue | Select-Object -First 1 }
+if (!$dll) { $dll = Get-ChildItem -Path $PluginBuild -Recurse -Filter "*.dll" -ErrorAction SilentlyContinue | Where-Object { $_.FullName -notmatch "Qt6|obs" } | Select-Object -First 1 }
+
+if ($dll) {
+    $pluginsDir = Join-Path $env:ProgramFiles "obs-studio\obs-plugins\64bit"
+    if (!(Test-Path $pluginsDir)) { $pluginsDir = Join-Path $CacheDir "obs-plugins"; New-Item -ItemType Directory -Path $pluginsDir -Force | Out-Null }
+    Copy-Item $dll.FullName $pluginsDir -Force
+    Write-Host "`nDone! DLL: $pluginsDir\$($dll.Name)" -ForegroundColor Green
 } else {
-    Write-Host "  Source (cached)" -ForegroundColor DarkGray
+    throw "DLL not found"
 }
-
-# ---------- Step 2: OBS source ----------
-Write-Host "[2/5] OBS Studio source" -ForegroundColor Cyan
-if (-not (Test-Path "$OBS\CMakeLists.txt")) {
-    Write-Host "  Downloading..." -ForegroundColor Yellow
-    Invoke-WebRequest -Uri "https://github.com/obsproject/obs-studio/archive/refs/tags/$OBS_VERSION.zip" -OutFile "$WORK\obs.zip"
-    Expand-Archive -Path "$WORK\obs.zip" -DestinationPath $WORK -Force
-    if (Test-Path "$WORK\obs-studio-$OBS_VERSION") { Rename-Item "$WORK\obs-studio-$OBS_VERSION" $OBS }
-} else {
-    Write-Host "  OBS source (cached)" -ForegroundColor DarkGray
-}
-
-# ---------- Step 3: Dependencies ----------
-Write-Host "[3/5] OBS pre-built dependencies" -ForegroundColor Cyan
-New-Item -ItemType Directory -Path $DEPS -Force | Out-Null
-if (-not (Test-Path "$DEPS\include\obs\obs.h")) {
-    Write-Host "  Downloading deps (~60MB)..." -ForegroundColor Yellow
-    Invoke-WebRequest -Uri "https://github.com/obsproject/obs-deps/releases/download/$DEPS_DATE/windows-deps-$DEPS_DATE-x64.zip" -OutFile "$DEPS\deps.zip"
-    Expand-Archive -Path "$DEPS\deps.zip" -DestinationPath $DEPS -Force
-} else {
-    Write-Host "  Deps (cached)" -ForegroundColor DarkGray
-}
-if (-not (Test-Path "$DEPS\lib\cmake\Qt6\Qt6Config.cmake")) {
-    Write-Host "  Downloading Qt6 (~250MB)..." -ForegroundColor Yellow
-    Invoke-WebRequest -Uri "https://github.com/obsproject/obs-deps/releases/download/$DEPS_DATE/windows-deps-qt6-$DEPS_DATE-x64.zip" -OutFile "$DEPS\qt6.zip"
-    Expand-Archive -Path "$DEPS\qt6.zip" -DestinationPath $DEPS -Force
-} else {
-    Write-Host "  Qt6 (cached)" -ForegroundColor DarkGray
-}
-
-# ---------- Step 4: Build OBS ----------
-Write-Host "[4/5] Building OBS libraries" -ForegroundColor Cyan
-$obsBuild = "$OBS\build_x64"
-if (-not (Test-Path "$obsBuild\libobs\Release\obs.lib")) {
-    cmake -S $OBS -B $obsBuild `
-        -G "Visual Studio 17 2022" -A x64 `
-        -DENABLE_PLUGINS=OFF `
-        -DENABLE_UI=OFF `
-        -DENABLE_SCRIPTING=OFF `
-        -DCMAKE_PREFIX_PATH="$DEPS" 2>&1 | Write-Host
-
-    cmake --build $obsBuild --config Debug --target obs-frontend-api -- /m /noLogo 2>&1 | Write-Host
-    cmake --build $obsBuild --config Release --target obs-frontend-api -- /m /noLogo 2>&1 | Write-Host
-    cmake --install $obsBuild --component Development --config Debug --prefix "$DEPS" 2>&1 | Write-Host
-    cmake --install $obsBuild --component Development --config Release --prefix "$DEPS" 2>&1 | Write-Host
-} else {
-    Write-Host "  OBS libs (cached)" -ForegroundColor DarkGray
-}
-
-# ---------- Step 5: Build plugin ----------
-Write-Host "[5/5] Building Vulcast Vertical" -ForegroundColor Cyan
-Push-Location $SRC
-
-if (-not (Test-Path "build\CMakeCache.txt")) {
-    cmake -S . -B build `
-        -G "Visual Studio 17 2022" -A x64 `
-        -DBUILD_OUT_OF_TREE=On `
-        -DCMAKE_PREFIX_PATH="$DEPS" `
-        -DQT_VERSION=6 `
-        -DCMAKE_BUILD_TYPE=Release `
-        -DFETCHCONTENT_FULLY_DISCONNECTED=ON 2>&1 | Write-Host
-}
-cmake --build build --config Release -- /m /noLogo 2>&1 | Write-Host
-Pop-Location
-
-# ---------- Install to OBS ----------
-$dll = Get-ChildItem -Path "$SRC\build" -Recurse -Filter "*.dll" -ErrorAction SilentlyContinue |
-    Where-Object { $_.Name -notmatch 'Qt6|obs-' } | Select-Object -First 1
-
-if (-not $dll) {
-    Write-Error "DLL not found. Check output above."
-    exit 1
-}
-
-if (-not (Test-Path $OBS_PLUGIN_DIR)) {
-    Write-Warning "OBS not found at default path. Searching..."
-    $OBS_PLUGIN_DIR = Get-ChildItem -Path "C:\Program Files","C:\Program Files (x86)" -Recurse -Filter "obs-plugins" -Directory -ErrorAction SilentlyContinue |
-        Where-Object { $_.Parent.Name -eq 'obs-studio' } | Select-Object -First 1 -ExpandProperty FullName
-    if (-not $OBS_PLUGIN_DIR) {
-        Write-Error "Can't find OBS plugins folder. Copy manually:"
-        Write-Error "  $($dll.FullName)"
-        exit 1
-    }
-}
-
-Copy-Item $dll.FullName "$OBS_PLUGIN_DIR\vulcast-vertical.dll" -Force
-Write-Host "`n=== BUILD SUCCESSFUL ===" -ForegroundColor Green
-Write-Host "Installed: $OBS_PLUGIN_DIR\vulcast-vertical.dll" -ForegroundColor Green
-Write-Host "`nRestart OBS Studio to load the plugin."