feat: add automated environment report export (#5025)

* feat: add automated environment report export

* refactor: address code review comments

* fix: refresh toggle state in environment report

* fix: surface environment report read failures

* test: make registry failure explicit

---------

Co-authored-by: Chris Titus <contact@christitus.com>

functions/private/Get-WinUtilRecentLogs.ps1

@@ -0,0 +1,39 @@
+function Get-WinUtilRecentLogs {
+    <#
+    .SYNOPSIS
+        Concatenates WinUtil session logs from the last N days into a single text blob.
+
+    .PARAMETER Days
+        How many days back to include. Defaults to 7, matching what the support forum/server
+        typically asks users for.
+
+    .PARAMETER LogDirectory
+        Overrides the log directory (normally $sync.winutildir\logs). Mainly for testing.
+    #>
+    param(
+        [int]$Days = 7,
+        [string]$LogDirectory
+    )
+
+    if ([string]::IsNullOrWhiteSpace($LogDirectory)) {
+        if ($null -eq $sync -or -not $sync.ContainsKey("winutildir") -or [string]::IsNullOrWhiteSpace($sync.winutildir)) {
+            return ""
+        }
+        $LogDirectory = Join-Path $sync.winutildir "logs"
+    }
+
+    if (-not (Test-Path $LogDirectory)) {
+        return ""
+    }
+
+    $cutoff = (Get-Date).AddDays(-$Days)
+    $logFiles = Get-ChildItem -Path $LogDirectory -Filter "winutil_*.log" -File -ErrorAction SilentlyContinue |
+        Where-Object { $_.LastWriteTime -ge $cutoff } |
+        Sort-Object LastWriteTime
+
+    $sections = foreach ($logFile in $logFiles) {
+        "=== $($logFile.Name) ===`n$(Get-Content -Path $logFile.FullName -Raw)"
+    }
+
+    return ($sections -join "`n`n")
+}