feat(commands): unify command envelope across all nodes — msg.origin + unit shorthand
Platform-wide command-message contract:
- Document the envelope in .claude/refactor/CONTRACTS.md §4: unit shorthand +
derived measure, always-convert (incl. numeric strings), msg.origin
provenance (parent|GUI|fysical, default parent) + gated mode arbitration.
- wiki-gen: normalise descriptors through createRegistry().list() so the Unit
column resolves both the unit: shorthand and legacy units:{} shapes.
- Bump submodule pointers: generalFunctions (registry), rotatingMachine, valve,
valveGroupControl, machineGroupControl (msg.origin), diffuser, pumpingStation,
monster (unit shorthand + handler dedup), dashboardAPI (wiki sync).
- Log decision in OPEN_QUESTIONS.md (2026-05-29).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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