BMS Telemetry Sync — From Pack to Passport Registry

The BMS knows more than the factory did on day one. BMS telemetry passport sync closes the loop — cycle counts, SoH estimates, and fault flags flow into the registry buyers trust on the exchange.

Integration patterns

1. Fleet telematics platform → nightly API PATCH by serial
2. Workshop diagnostic tool → manual dashboard update after service
3. Decommission scan → trigger final SoH commit before listing

Manufacturing Annex XIII fields remain immutable; performance fields update in designated columns.