UnRot v0.5.5

Follow-up precision patch from independent review.

• Treat root-level bun run build.ts-style commands as file execution
• Preserve dotted Bun package-script names such as build.prod
• Scope my/your tool and feature placeholders to tutorial wording
• Keep factual references with those names eligible for validation

Verified with 351 passing tests and an unchanged 20-repository corpus result.