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Changelog

Protocol documentation 1.0.0 - 2026-08-25​

Published in the candidate​

  • Complete v1.51 ASCII frame and CRC16/MODBUS rules.
  • Exact MQTT topic templates and 21-command map.
  • Uplink/downlink formats for identity, configuration, inventory, rental, return and maintenance.
  • Result codes, retry, acknowledgement, idempotency and firmware boundaries.
  • Valid synthetic end-to-end frames and physical UAT checklist.
  • Downloadable command catalog JSON, test vectors, reference JavaScript and expanded AsyncAPI.
  • Matching English and Simplified Chinese pages, local search, canonical metadata, sitemap, AI index and llms.txt.

Still assigned or approval-gated​

  • Production connectivity values and credentials.
  • Model/firmware-specific compatibility certification.
  • Private firmware artifacts and production rollout.
  • Final protocol, hardware, security and website-owner approval.

Documentation 0.1.0 - 2026-08-24​

Added​

  • Public-safe Developer Center information architecture.
  • Trust and interoperability rationale.
  • Compatibility record and test template.
  • Conceptual frame and lifecycle models.
  • Error taxonomy and synthetic test-vector envelope.
  • Evidence-status software feature matrix.
  • AsyncAPI, OpenAPI and JSON Schema skeletons.
  • Robots, sitemap configuration, AI index, llms.txt and structured metadata.
  • Publication classification, QA and release-gate documentation.

Superseded boundaries​

  • Exact hardware model and firmware compatibility claims.
  • Executable framing details and the v1.51 command dictionary are now public.
  • Command behavior is public; authentication values and assigned connectivity remain private.
  • Partner sandbox and production API paths.
  • Final security contact and public support workflow.