- Remove redundant double ?? [] patterns in ProviderConfig, RegisterProviders,
  RegisterFacades, VendorPublishCommand
- Fix operator precedence issues: (int) $x ?? 0 → (int) ($x ?? 0) in SqsQueue,
  $a . $b ?? '' → $a . ($b ?? '') in Event
- Remove dead ?? fallbacks after string casts/functions that never return null
- Add ignore for defensive fallback in exception handler