Mirrors the rotatingMachine cutover: assetResolver derives supplier/type/
units from the model id; nodeClass throws a clear "re-select model and
save" error if the saved node still carries denormalized supplier/
category/assetType strings. valve.html defaults trimmed accordingly.
14/14 tests pass.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Refactor of valve to use the platform infrastructure (BaseDomain, BaseNodeAdapter,
ChildRouter, commandRegistry, statusBadge). Extracts concerns into
focused modules per .claude/refactor/MODULE_SPLIT.md generic template.
Tests stay green; CONTRACT.md generated; legacy aliases preserved.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
