Found by running the kit under pwsh 7 against the live API: Invoke-WebRequest
returns header values as string ARRAYS in PS7 (scalars in Windows PowerShell
5.1), so X-Manifest-Version came back as @('1') and [int] on it threw - report
build failed. The target scheduled task runs 5.1 (works), but the kit must be
robust under PS7 too (target preinstalls PowerShell 7). Coerce ETag and
X-Manifest-Version with @(...)[0], a clean scalar in both.
Validated end to end on Linux pwsh 7.6.3 against the dev API: fetch (200) ->
cache-304 -> report sent -> landed received=true/status=ok. All 4 client scripts
parse clean; PSScriptAnalyzer shows only cosmetic warnings (Write-Host in a CLI,
intentional log-guard catch).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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