feat: establish v0.70 platform milestone

scripts/check.ps1

@@ -3,26 +3,41 @@ $PSNativeCommandUseErrorActionPreference = $true
 $projectRoot = Split-Path -Parent $PSScriptRoot
 Set-Location -LiteralPath $projectRoot
 
+function Assert-NativeSuccess {
+    param([Parameter(Mandatory = $true)][string]$Operation)
+    if ($LASTEXITCODE -ne 0) {
+        throw "$Operation failed with exit code $LASTEXITCODE."
+    }
+}
+
 $unformatted = gofmt -l cmd internal
 if ($unformatted) {
     throw "The following Go files are not formatted:`n$($unformatted -join "`n")"
 }
 
 go vet ./...
-# Database-backed packages share the seeded local tenant. Run packages
-# sequentially whenever integration variables are present so temporary SaaS
-# fixtures cannot become visible to identity assertions in another package.
-go test -p 1 '-coverprofile=coverage.out' ./...
+Assert-NativeSuccess -Operation 'go vet'
+# Unit tests stay independent from local service state. Database-backed suites
+# are executed by test-integration.ps1 against a disposable migrated database.
+go test '-coverprofile=coverage.out' ./...
+Assert-NativeSuccess -Operation 'go test'
+
+& (Join-Path $PSScriptRoot 'test-integration.ps1')
 
 Push-Location web
 try {
     npm ci
+    Assert-NativeSuccess -Operation 'npm ci'
     npm run generate:api
+    Assert-NativeSuccess -Operation 'OpenAPI client generation'
     npm run typecheck
+    Assert-NativeSuccess -Operation 'web typecheck'
     npm run build
+    Assert-NativeSuccess -Operation 'web build'
 } finally {
     Pop-Location
 }
 
 docker compose config --quiet
+Assert-NativeSuccess -Operation 'docker compose config'
 Write-Host 'All local checks passed.'