Add Windows service host and system tray controller

README.md

@@ -109,6 +109,77 @@ Or use the PowerShell launcher:
 .\start_backend.ps1
 ```
 
+### Windows Service
+
+Run these from an elevated PowerShell session (Run as Administrator):
+Requires .NET SDK 10+ (installer publishes a native service host executable).
+
+Install and start at boot:
+
+```powershell
+.\install_backend_service.ps1 -ForceReinstall -StartAfterInstall -DelayedAutoStart
+```
+
+Check status:
+
+```powershell
+Get-Service -Name ScreenJobBackend
+```
+
+Stop/start manually:
+
+```powershell
+Stop-Service -Name ScreenJobBackend
+Start-Service -Name ScreenJobBackend
+```
+
+Uninstall:
+
+```powershell
+.\uninstall_backend_service.ps1
+```
+
+Service logs are written to:
+
+```text
+screenjob_runs/service/backend-service.stdout.log
+screenjob_runs/service/backend-service.stderr.log
+```
+
+### System Tray Icon (Windows)
+
+Start tray icon now:
+
+```powershell
+powershell -NoProfile -ExecutionPolicy Bypass -STA -File .\screenjob_tray.ps1
+```
+
+Install startup shortcut (current user):
+
+```powershell
+.\install_tray_startup_shortcut.ps1
+```
+
+Install startup shortcut for all users:
+
+```powershell
+.\install_tray_startup_shortcut.ps1 -AllUsers
+```
+
+Remove startup shortcut:
+
+```powershell
+.\install_tray_startup_shortcut.ps1 -Remove
+```
+
+Tray menu actions:
+
+- Refresh service status
+- Start/Stop/Restart service (prompts for admin/UAC)
+- Open dashboard URL from `.env` `SCREENJOB_HOST` / `SCREENJOB_PORT`
+- Open service logs folder
+- Exit tray icon process
+
 Auth for all API routes:
 
 - `Authorization: Bearer <SCREENJOB_TOKEN>`