diff --git a/scripts/windows/README.md b/scripts/windows/README.md
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+++ b/scripts/windows/README.md
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+# Windows host build/deploy scripts
+
+Helper scripts for the Windows host box (the RTX `.173` lab box, repo at
+`C:\Users\Public\punktfunk-native`). Run them from the repo root in an **elevated** PowerShell.
+
+## One-time: persist the build environment
+
+```powershell
+powershell -ExecutionPolicy Bypass -File scripts\windows\setup-build-env.ps1
+```
+
+Persists (Machine scope) the three vars the NVENC build needs:
+
+| var | value | why |
+| --- | --- | --- |
+| `PUNKTFUNK_NVENC_LIB_DIR` | `C:\Users\Public\nvenc` | NVENC import lib (`nvencodeapi.lib`) |
+| `LIBCLANG_PATH` | `C:\Program Files\LLVM\bin` | bindgen (`libclang.dll`) |
+| `CMAKE_POLICY_VERSION_MINIMUM` | `3.5` | `audiopus_sys` / cmake crates |
+
+`FFMPEG_DIR` is **not** set — the `--features nvenc` build the RTX box uses does not link
+libavcodec (that is only the `amf-qsv` feature). The VS C++ toolchain is loaded per-build via
+`vcvars64.bat` (auto-discovered with `vswhere`).
+
+## Rebuild + redeploy the host service
+
+```powershell
+powershell -ExecutionPolicy Bypass -File scripts\windows\deploy-host.ps1
+```
+
+Stops `PunktfunkHost`, backs up the current binary (`punktfunk-host.exe.bak`), builds
+`--release -p punktfunk-host --features nvenc` from the current source, then restarts the
+service on the new binary — **with automatic rollback** if the build fails or the new binary
+won't start. The service is down only for the build duration.
+
+## Rebuild + restart the web console
+
+```powershell
+powershell -ExecutionPolicy Bypass -File scripts\windows\build-web.ps1
+```
+
+`bun install && bun run build`, installs the externalized server deps into `.output/server`
+(with the `@unom` `.npmrc`), then restarts the `PunktfunkWeb` task and checks `:3000/login`.
+
+## Typical flow after pulling new code
+
+```powershell
+git pull
+powershell -ExecutionPolicy Bypass -File scripts\windows\deploy-host.ps1
+powershell -ExecutionPolicy Bypass -File scripts\windows\build-web.ps1
+```
diff --git a/scripts/windows/build-web.ps1 b/scripts/windows/build-web.ps1
new file mode 100644
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+++ b/scripts/windows/build-web.ps1
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+<#
+  Rebuild the web mgmt console from the CURRENT web/ source and restart the PunktfunkWeb task.
+
+    powershell -ExecutionPolicy Bypass -File scripts\windows\build-web.ps1
+
+  bun = build tool, node = runtime (the Nitro bundle externalizes srvx/@unom for SSR, which
+  bun fails to resolve at runtime). The PunktfunkWeb scheduled task runs web\web-run.cmd ->
+  node .output\server\index.mjs on :3000.
+#>
+$ErrorActionPreference = 'Stop'
+$repo = Split-Path (Split-Path $PSScriptRoot)
+$web  = Join-Path $repo 'web'
+$bun  = 'C:\Users\Public\bun\bin\bun.exe'
+$task = 'PunktfunkWeb'
+if (-not (Test-Path $bun)) { throw "bun not found at $bun" }
+
+Set-Location $web
+Write-Host "bun install + build ..."
+& $bun install
+& $bun run build
+if ($LASTEXITCODE -ne 0) { throw "web build failed (exit $LASTEXITCODE)" }
+
+# The Nitro server bundle externalizes its runtime deps - install them in .output/server,
+# with the @unom registry .npmrc present (else @unom/* 404s on npmjs).
+Write-Host "installing externalized server deps ..."
+Copy-Item "$web\.npmrc" "$web\.output\server\.npmrc" -Force
+Set-Location "$web\.output\server"
+& $bun install
+
+Write-Host "restarting $task ..."
+& schtasks /end /tn $task 2>$null | Out-Null
+Get-CimInstance Win32_Process -Filter "Name='node.exe'" -ErrorAction SilentlyContinue |
+  Where-Object { $_.CommandLine -match 'index\.mjs' } |
+  ForEach-Object { Stop-Process -Id $_.ProcessId -Force -ErrorAction SilentlyContinue }
+Start-Sleep 2
+& schtasks /run /tn $task | Out-Null
+Start-Sleep 5
+try {
+  $r = Invoke-WebRequest 'http://127.0.0.1:3000/login' -UseBasicParsing -TimeoutSec 10
+  Write-Host "DONE - web /login -> HTTP $($r.StatusCode)"
+} catch { Write-Warning "web restarted but /login check failed: $($_.Exception.Message)" }
diff --git a/scripts/windows/deploy-host.ps1 b/scripts/windows/deploy-host.ps1
new file mode 100644
index 0000000..7d0d148
--- /dev/null
+++ b/scripts/windows/deploy-host.ps1
@@ -0,0 +1,71 @@
+<#
+  Rebuild the punktfunk Windows host (release + NVENC) from the CURRENT source and
+  restart the LocalSystem service, with automatic rollback if the build fails or the
+  new binary won't start.
+
+    powershell -ExecutionPolicy Bypass -File scripts\windows\deploy-host.ps1
+
+  Prereqs: run setup-build-env.ps1 once (persists the build env), and VS C++ build tools
+  installed (vcvars64.bat is auto-discovered via vswhere). The service is stopped for the
+  duration of the build (the running .exe is locked), then restarted on the new binary.
+#>
+$ErrorActionPreference = 'Stop'
+$repo = Split-Path (Split-Path $PSScriptRoot)        # scripts\windows -> repo root
+$exe  = Join-Path $repo 'target\release\punktfunk-host.exe'
+$bak  = "$exe.bak"
+$svc  = 'PunktfunkHost'
+
+function Find-VcVars {
+  $vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
+  if (Test-Path $vswhere) {
+    $ip = & $vswhere -latest -products * -property installationPath 2>$null
+    if ($ip) { $v = Join-Path $ip 'VC\Auxiliary\Build\vcvars64.bat'; if (Test-Path $v) { return $v } }
+  }
+  $fb = 'C:\Program Files\Microsoft Visual Studio\18\Community\VC\Auxiliary\Build\vcvars64.bat'
+  if (Test-Path $fb) { return $fb }
+  throw "vcvars64.bat not found - install the VS C++ build tools."
+}
+
+function Svc-Running { (& sc.exe query $svc 2>$null) -match 'RUNNING' }
+
+Write-Host "== punktfunk host deploy =="
+$vcvars = Find-VcVars
+Write-Host "vcvars : $vcvars"
+Set-Location $repo
+
+# 1. stop the service so the .exe is writable
+Write-Host "stopping $svc ..."
+& sc.exe stop $svc | Out-Null
+for ($i=0; $i -lt 30 -and (Svc-Running); $i++) { Start-Sleep 1 }
+
+# 2. back up the current binary for rollback
+if (Test-Path $exe) { Copy-Item $exe $bak -Force; Write-Host "backup : $bak" }
+
+# 3. build (release + nvenc); build env is inherited from Machine scope (setup-build-env.ps1)
+Write-Host "building: cargo build --release -p punktfunk-host --features nvenc"
+& cmd.exe /c "call `"$vcvars`" >nul && cargo build --release -p punktfunk-host --features nvenc"
+$built = ($LASTEXITCODE -eq 0)
+
+if (-not $built) {
+  Write-Warning "BUILD FAILED (exit $LASTEXITCODE) - restoring previous binary."
+  if (Test-Path $bak) { Copy-Item $bak $exe -Force }
+  & sc.exe start $svc | Out-Null
+  throw "build failed; previous binary restored and service restarted."
+}
+
+# 4. start on the new binary and confirm it stays up
+Write-Host "build OK - starting $svc ..."
+& sc.exe start $svc | Out-Null
+$running = $false
+for ($i=0; $i -lt 20; $i++) { if (Svc-Running) { $running = $true; break }; Start-Sleep 1 }
+
+if (-not $running) {
+  Write-Warning "new binary did not start - rolling back."
+  & sc.exe stop $svc | Out-Null; Start-Sleep 2
+  if (Test-Path $bak) { Copy-Item $bak $exe -Force }
+  & sc.exe start $svc | Out-Null
+  throw "new binary failed to start; rolled back to previous."
+}
+
+Write-Host "DONE - $svc running the new binary:"
+Get-Item $exe | Select-Object LastWriteTime, Length | Format-List
diff --git a/scripts/windows/setup-build-env.ps1 b/scripts/windows/setup-build-env.ps1
new file mode 100644
index 0000000..f755f22
--- /dev/null
+++ b/scripts/windows/setup-build-env.ps1
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+<#
+  Persist the punktfunk Windows-host build environment (Machine scope, run once, elevated).
+
+  After this, deploy-host.ps1 needs only the VS toolchain (it loads vcvars64.bat itself).
+  These are BUILD-time vars; runtime config lives in C:\ProgramData\punktfunk\host.env.
+
+    powershell -ExecutionPolicy Bypass -File scripts\windows\setup-build-env.ps1
+#>
+$ErrorActionPreference = 'Stop'
+
+$admin = ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()
+         ).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
+if (-not $admin) { throw "Run elevated (Machine-scope env requires Administrator)." }
+
+# NVENC import lib (nvencodeapi.lib); libclang for bindgen; cmake policy floor for audiopus_sys.
+$vars = [ordered]@{
+  'PUNKTFUNK_NVENC_LIB_DIR'      = 'C:\Users\Public\nvenc'
+  'LIBCLANG_PATH'               = 'C:\Program Files\LLVM\bin'
+  'CMAKE_POLICY_VERSION_MINIMUM' = '3.5'
+  # FFMPEG_DIR is only needed for the `amf-qsv` feature (libavcodec). The RTX box builds
+  # `--features nvenc`, which does NOT link FFmpeg, so it is intentionally left unset.
+}
+foreach ($k in $vars.Keys) {
+  [Environment]::SetEnvironmentVariable($k, $vars[$k], 'Machine')
+  Write-Host ("set (Machine)  {0} = {1}" -f $k, $vars[$k])
+}
+Write-Host "Done. Open a fresh shell (or reboot) for these to be inherited by new processes."