Co-Authored-By: Virgil <virgil@lethean.io>
Replaces ~46 fmt.Errorf and errors.New calls in production code across pkg/lint, pkg/php, cmd/core-lint, and cmd/qa with structured coreerr.E() calls using the forge.lthn.ai/core/go-log convention. Co-Authored-By: Virgil <virgil@lethean.io>
QA commands (watch, review, health, issues, docblock) now live alongside the lint library they depend on. Co-Authored-By: Virgil <virgil@lethean.io>