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Checklist items can now be either 'checkbox' (tick/untick) or 'input' (text value with optional unit). Useful for recording measurements like RPM, wow & flutter, torque, voltage, dB levels, etc. - itemType and unit fields on template_items and checklist_items - Template page shows type selector and unit field when adding items - Device checklist renders input items as labeled text fields with unit - Save button persists measured values - Import copies item types and units from templates Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>