Eduardo Rios 5318c82677 feat(SIENTIAPDE-2202): write timestamp and quality per OPC server ...

- write_timestamp/write_quality come from the command, then the server
  document (connectors/opc-servers, read even when the reads have the
  connection open, same 60 s cache), then the WRITE_TIMESTAMP/WRITE_QUALITY
  env defaults.
- The quality comes from the command's `quality` (the prediction status:
  Good/Bad/Uncertain, Good when absent); an unknown one is a bad_quality error.
- A server that refuses them (BadWriteNotSupported, e.g. Kepware) gets the
  value written again alone and is remembered until restart: one warning and
  opc_write_value_only_fallback_total per server.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-10-28 14:29:33 -03:00

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