[F51] live ASB type-matrix: provision UDAs + capture wire fixtures + round-trip tests · c7505f9570 - mxaccess

[F51] live ASB type-matrix: provision UDAs + capture wire fixtures + round-trip tests

rust / build / test / clippy / fmt (push) Has been cancelled

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rust / cargo public-api drift check (F41) (push) Has been cancelled

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Provisioned 7 new UDAs on $TestMachine via wwtools/graccesscli
object uda add (then deployed to TestMachine_001):

  TestFloat          MxFloat        scalar
  TestFloatArray     MxFloat        array (4)
  TestDouble         MxDouble       scalar
  TestDoubleArray    MxDouble       array (4)
  TestDateTime       MxTime         scalar
  TestDuration       MxElapsedTime  scalar
  TestDurationArray  MxElapsedTime  array (4)

New crates/mxaccess/examples/asb-type-matrix.rs reads all 14 tags
(7 pre-existing + 7 new) in a single batch and dumps the live
AsbVariant bytes per tag when MX_ASB_DUMP_FIXTURES=<dir> is set.
Single-attempt register (no retry — F31 InvalidConnectionId
cool-down re-arms on every retry, making backoff
counter-productive; if the cool-down is engaged, wait 60+ seconds
without ASB activity then re-run).

Captured live evidence (single cold-start run, all 14 register
calls returned error_code=0x0000):

  TestChangingInt   type_id=4  (Int32)        length=4   payload=4
  TestAlarm001      type_id=17 (Boolean)      length=1   payload=1
  MachineCode       type_id=10 (String)       length=30  payload=30
  TestFloat         type_id=8  (Float)        length=4   payload=4
  TestDouble        type_id=9  (Double)       length=8   payload=8
  TestDateTime      type_id=11 (DateTime)     length=8   payload=8
  TestDuration      type_id=12 (ElapsedTime)  length=8   payload=8

  TestIntArray, TestBoolArray, TestStringArray, TestDateTimeArray,
  TestFloatArray, TestDoubleArray, TestDurationArray
                    type_id=0 length=0 payload=0
                    (provisioned but no value written yet)

Per-tag fixture .bin files saved under
crates/mxaccess-codec/tests/fixtures/f51-type-matrix/ — full
14-byte to 40-byte AsbVariant byte sequences (i32 type_id LE +
i32 length LE + payload bytes).

crates/mxaccess-codec/tests/f51_type_matrix_parity.rs round-trips
each scalar fixture: decode -> re-encode -> assert byte-equal +
type_id / length pin. Tests skip with [skip] message when fixtures
are absent (so the suite passes on a fresh checkout without live
captures). 7 scalar tests pass against the captured fixtures.

Array tags excluded from round-trip pinning because the live
engine returns empty payloads for unwritten arrays. Codec-side
array round-trip is covered by asb_variant's existing synthetic-
payload unit tests.

docs/galaxy-test-fixtures.md inventories all $TestMachine UDAs
(pre-existing + F51-provisioned), the graccesscli provisioning
recipe, the fixture-regeneration pattern, and the F31 cool-down
caveat.

design/followups.md F51 marked resolved.

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

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