feat: 新增代码

video_worker/scripts/install_windows_env.ps1

@@ -0,0 +1,31 @@
+$ErrorActionPreference = "Stop"
+$Root = Split-Path -Parent (Split-Path -Parent $MyInvocation.MyCommand.Path)
+Set-Location $Root
+
+if (!(Get-Command py -ErrorAction SilentlyContinue) -and !(Get-Command python -ErrorAction SilentlyContinue)) {
+  throw "Python launcher (py) or python not found"
+}
+
+if (Test-Path .venv) {
+  Write-Host ".venv already exists, reusing"
+} else {
+  if (Get-Command py -ErrorAction SilentlyContinue) {
+    py -3 -m venv .venv
+  } else {
+    python -m venv .venv
+  }
+}
+
+.\.venv\Scripts\Activate.ps1
+python -m pip install --upgrade pip
+pip install -r requirements.txt
+
+if (!(Get-Command ffmpeg -ErrorAction SilentlyContinue)) {
+  Write-Warning "ffmpeg not found in PATH. Please install ffmpeg and ensure PATH is updated."
+}
+
+New-Item -ItemType Directory -Force outputs, runtime, runtime\logs, models\ltx, models\hunyuan | Out-Null
+if (!(Test-Path .env)) { Copy-Item .env.example .env }
+
+Write-Host "[OK] install completed"
+Write-Host "next: .\\scripts\\run_server.ps1"