Wire machine/[id].vue to import from extracted utility modules
(customFieldUtils, productDisplayUtils, useMachineHierarchy, useMachinePrint).
Remove ~1400 LOC of inline functions replaced by imports.
Fix TypeScript errors in extracted composables (AnyRecord/ConstructeurSummary
boundary casts, Map generics, optional chaining on unknown).
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>