Scaffold Odin all-seer service

scripts/start-odin.ps1

@@ -0,0 +1,52 @@
+param(
+  [int] $Port = 8797,
+  [string] $StateDir = "E:\Projects\Odin\scratch\odin",
+  [switch] $Foreground
+)
+
+$ErrorActionPreference = "Stop"
+
+$repoRoot = Split-Path -Parent $PSScriptRoot
+$scriptPath = Join-Path $repoRoot "src\odin-coordinator.cjs"
+$pidPath = Join-Path $StateDir "odin.pid"
+$outLog = Join-Path $StateDir "odin.out.log"
+$errLog = Join-Path $StateDir "odin.err.log"
+
+New-Item -ItemType Directory -Force -Path $StateDir | Out-Null
+
+if (Test-Path $pidPath) {
+  $oldPid = (Get-Content -Raw $pidPath).Trim()
+  if ($oldPid -match "^\d+$") {
+    $old = Get-Process -Id ([int] $oldPid) -ErrorAction SilentlyContinue
+    if ($old) {
+      throw "Odin already appears to be running as PID $oldPid."
+    }
+  }
+  Remove-Item -LiteralPath $pidPath -Force
+}
+
+$env:NODE_PATH = "E:\Projects\CultLib\packages"
+$args = @(
+  $scriptPath,
+  "--port", "$Port",
+  "--stateDir", $StateDir
+)
+
+if ($Foreground) {
+  & node @args
+  exit $LASTEXITCODE
+}
+
+$proc = Start-Process -FilePath "node" -ArgumentList $args -WorkingDirectory $repoRoot -WindowStyle Hidden -PassThru -RedirectStandardOutput $outLog -RedirectStandardError $errLog
+$proc.Id | Set-Content -Encoding ASCII -LiteralPath $pidPath
+Start-Sleep -Seconds 1
+if ($proc.HasExited) {
+  $detail = ""
+  if (Test-Path $outLog) { $detail += Get-Content -Raw $outLog }
+  if (Test-Path $errLog) { $detail += Get-Content -Raw $errLog }
+  throw "Odin exited immediately with code $($proc.ExitCode).`n$detail"
+}
+
+Write-Host "Odin started as PID $($proc.Id)."
+Write-Host "Health: http://127.0.0.1:$Port/health"
+Write-Host "Eve deck: ws://127.0.0.1:$Port/eve/deck"

scripts/stop-odin.ps1

@@ -0,0 +1,22 @@
+param(
+  [string] $StateDir = "E:\Projects\Odin\scratch\odin"
+)
+
+$ErrorActionPreference = "Stop"
+
+$pidPath = Join-Path $StateDir "odin.pid"
+if (-not (Test-Path $pidPath)) {
+  Write-Host "No Odin PID file found at $pidPath."
+  exit 0
+}
+
+$pid = (Get-Content -Raw $pidPath).Trim()
+if ($pid -match "^\d+$") {
+  $process = Get-Process -Id ([int] $pid) -ErrorAction SilentlyContinue
+  if ($process) {
+    Stop-Process -Id $process.Id
+    Write-Host "Stopped Odin PID $pid."
+  }
+}
+
+Remove-Item -LiteralPath $pidPath -Force