feat(release): package runtime and operations freezes

scripts/tests/package-aug1-release.test.ps1

@@ -0,0 +1,41 @@
+$ErrorActionPreference = 'Stop'
+$projectRoot = Split-Path -Parent (Split-Path -Parent $PSScriptRoot)
+$scriptPath = Join-Path $projectRoot 'scripts\package-aug1-release.ps1'
+$devSetupPath = Join-Path $projectRoot 'docs\DEV_SETUP.md'
+$source = Get-Content -Raw -Encoding UTF8 -LiteralPath $scriptPath
+
+$requiredFragments = @(
+    'Runtime commit must be an ancestor of the operations commit',
+    'Frozen evidence is not release eligible',
+    'Frozen APK hash mismatch',
+    'Frozen backend JAR hash mismatch',
+    'Content candidate hash mismatch',
+    "'operations/release-backend.sh'",
+    "'operations/release-preflight.sh'",
+    "'operations/verify-aug1-production-api-readonly.sh'",
+    "'operations/capture-android-acceptance.ps1'",
+    "'operations/go-no-go.md'",
+    'Release package already exists and will not be overwritten',
+    'Release package expected 14 files',
+    'ZIP entry hash mismatch',
+    'package_verified=true'
+)
+foreach ($fragment in $requiredFragments) {
+    if (-not $source.Contains($fragment)) {
+        throw "August 1 packager is missing required fragment: $fragment"
+    }
+}
+
+if ($source -match 'Compress-Archive') {
+    throw 'August 1 packager must use sorted entries and a fixed timestamp, not Compress-Archive.'
+}
+if ($source -match '\[switch\]\$Force') {
+    throw 'August 1 packager must not expose an overwrite switch.'
+}
+
+$devSetup = Get-Content -Raw -Encoding UTF8 -LiteralPath $devSetupPath
+if (-not $devSetup.Contains('.\scripts\package-aug1-release.ps1')) {
+    throw 'DEV_SETUP is missing the August 1 release packaging command.'
+}
+
+Write-Output 'PASS: August 1 release packager freezes runtime and operations separately without overwriting prior packages'