Add novelty-aware herald mood drift

scripts/install-void-mood-drift-task.ps1

@@ -0,0 +1,89 @@
+param(
+  [string] $TaskName,
+  [int] $IntervalMinutes,
+  [switch] $RunNow
+)
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+$ProgressPreference = "SilentlyContinue"
+
+$repoRoot = Split-Path -Parent $PSScriptRoot
+$envFile = Join-Path $repoRoot ".env"
+$runnerScript = Join-Path $PSScriptRoot "run-void-mood-drift.ps1"
+$hiddenLauncher = Join-Path $PSScriptRoot "run-hidden-powershell.vbs"
+
+function Read-DotEnv {
+  param(
+    [Parameter(Mandatory = $true)]
+    [string] $Path
+  )
+
+  $values = @{}
+
+  if (-not (Test-Path $Path)) {
+    return $values
+  }
+
+  foreach ($line in Get-Content -Path $Path) {
+    if ([string]::IsNullOrWhiteSpace($line)) {
+      continue
+    }
+
+    if ($line.TrimStart().StartsWith("#")) {
+      continue
+    }
+
+    $separatorIndex = $line.IndexOf("=")
+
+    if ($separatorIndex -lt 1) {
+      continue
+    }
+
+    $key = $line.Substring(0, $separatorIndex).Trim()
+    $value = $line.Substring($separatorIndex + 1)
+    $values[$key] = $value
+  }
+
+  return $values
+}
+
+$config = Read-DotEnv -Path $envFile
+$taskNameValue = if (-not [string]::IsNullOrWhiteSpace($TaskName)) {
+  $TaskName
+} elseif ($config.ContainsKey("VOIDBOT_MOOD_TASK_NAME") -and -not [string]::IsNullOrWhiteSpace($config["VOIDBOT_MOOD_TASK_NAME"])) {
+  $config["VOIDBOT_MOOD_TASK_NAME"]
+} else {
+  "Void Mood Drift"
+}
+$intervalMinutesValue = if ($PSBoundParameters.ContainsKey("IntervalMinutes")) {
+  $IntervalMinutes
+} elseif ($config.ContainsKey("VOIDBOT_MOOD_INTERVAL_MINUTES") -and -not [string]::IsNullOrWhiteSpace($config["VOIDBOT_MOOD_INTERVAL_MINUTES"])) {
+  [int]$config["VOIDBOT_MOOD_INTERVAL_MINUTES"]
+} else {
+  5
+}
+
+if ($intervalMinutesValue -lt 5) {
+  throw "VOIDBOT_MOOD_INTERVAL_MINUTES must be at least 5."
+}
+
+$startAt = (Get-Date).AddMinutes(1)
+$action = New-ScheduledTaskAction -Execute "wscript.exe" -Argument "//B //nologo `"$hiddenLauncher`" -NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File `"$runnerScript`""
+$trigger = New-ScheduledTaskTrigger -Once -At $startAt -RepetitionInterval (New-TimeSpan -Minutes $intervalMinutesValue) -RepetitionDuration (New-TimeSpan -Days 3650)
+$settings = New-ScheduledTaskSettingsSet -StartWhenAvailable -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit (New-TimeSpan -Minutes 3) -MultipleInstances IgnoreNew
+$principal = New-ScheduledTaskPrincipal -UserId "$env:USERDOMAIN\$env:USERNAME" -LogonType Interactive -RunLevel Limited
+$description = "Runs Void's background mood-drift pass every $intervalMinutesValue minutes so current activations and speaking pressure do not stay emotionally flat between moderation loops."
+
+Register-ScheduledTask -TaskName $taskNameValue -Action $action -Trigger $trigger -Settings $settings -Principal $principal -Description $description -Force | Out-Null
+
+Write-Host "Installed scheduled task: $taskNameValue"
+Write-Host "Schedule: every $intervalMinutesValue minute(s), starting at $($startAt.ToString('yyyy-MM-dd HH:mm'))"
+Write-Host "Task runs as: $($env:USERDOMAIN)\$($env:USERNAME)"
+Write-Host "Execution time limit: 3 minutes"
+Write-Host "Runner script: $runnerScript"
+
+if ($RunNow) {
+  Start-ScheduledTask -TaskName $taskNameValue
+  Write-Host "Started task immediately."
+}