Scripts module now owns its PostgreSQL schema lifecycle: ScriptsPostgresOptions,
ServiceCollectionExtensions.AddReleaseOrchestratorScripts(), embedded SQL migration,
and MigrationServiceExtensions fix to register multiple IHostedService migrations
without deduplication. Fresh installs auto-converge the scripts catalog without
depending on Scheduler-owned bootstrap SQL.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>