feat: add remote audiobook generation

server/audiobook/start_service.ps1

@@ -0,0 +1,20 @@
+$ErrorActionPreference = 'Stop'
+
+$root = 'C:\Users\seven\Qwen3-TTS'
+$logs = Join-Path $root 'logs'
+New-Item -ItemType Directory -Force -Path $logs | Out-Null
+Start-Transcript -Path (Join-Path $logs 'audiobook-receiver.log') -Append | Out-Null
+$env:QWEN_TTS_ROOT = $root
+$env:HF_HUB_OFFLINE = '1'
+$env:TRANSFORMERS_OFFLINE = '1'
+Set-Location (Join-Path $root 'service')
+
+try {
+    & (Join-Path $root '.venv\Scripts\python.exe') -m uvicorn audiobook_service:app `
+        --host 0.0.0.0 `
+        --port 8765 `
+        --workers 1
+} finally {
+    Stop-Transcript | Out-Null
+}
+