Joseph Doherty d5322b0f9a fix(driver-modbus): resolve Low code-review findings (Driver.Modbus-003,007,008,009,010,011,012) ...

- Driver.Modbus-003: route every _health access through ReadHealth /
  WriteHealth helpers backed by Volatile.Read / Volatile.Write so a
  burst of concurrent ReadAsync callers always sees a complete snapshot.
- Driver.Modbus-007: promoted the Int64 / UInt64 → Int32 surfacing
  caveat to a full <remarks> block; rewrote DisableFC23's doc to flag it
  as reserved / no-op.
- Driver.Modbus-008: deleted stale duplicate doc, rewrote the
  prohibition-block summaries to credit the shipped re-probe loop, and
  removed the unused 'status' local in the ModbusException catch arm.
- Driver.Modbus-009: bind-time validation rejects StringLength < 1 for
  String tags; ModbusTcpTransport clamps keep-alive intervals to whole
  seconds (>=1).
- Driver.Modbus-010: documented WriteOnChangeOnly's cache-invalidation
  policy (reads-only) and the write-only-tag caveat.
- Driver.Modbus-011: collected the scattered instance fields into a
  single contiguous block at the top of ModbusDriver.
- Driver.Modbus-012: covered the previously-uncovered Reinitialize
  state-hygiene, malformed/truncated/empty-bitmap response, and
  DisposeAsync teardown paths.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-23 08:17:51 -04:00

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