chore(deps): Bump dotenv from 17.4.2 to 18.0.1 - #42

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Overall this is a routine, low-risk dependency bump that cleanly updates the dotenv runtime constraint from ^17.4.2 to ^18.0.1. The semver jump from 17 to 18 is technically a major-version increment, so it warrants at least a quick glance at the upstream release notes for any breaking changes around config(), parse(), option handling, or the default behavior of dotenv.config() (e.g., override, debug, path, encoding). In practice, dotenv has historically been conservative with breaking changes, and nothing in the diff suggests this repo relies on any deprecated or internal surface — the only change is the version range in package.json, with no source, lockfile churn, or configuration call sites affected. CI and the test suite should be the definitive confirmation that nothing regressed, but the change as presented looks sound.

The main residual concern is the usual supply-chain hygiene: a major version bump of a runtime dependency should be backed by npm audit and, ideally, a CI run that exercises environment-variable loading paths on representative platforms (especially the Windows quoting/escaping edge cases that dotenv releases occasionally touch). It's also worth confirming that the lockfile was regenerated and that no transitive dependency was unintentionally widened — given the single-line diff shown, the rest of the tree appears untouched, which is the expected outcome for a direct dependency bump.

No code-level findings were identified in this review. Recommendation: proceed with the bump after a green CI run and a brief check of the dotenv 18.0.0 / 18.0.1 release notes; if everything passes, this is safe to merge.