AU lifecycle extension · application-layer study
Follow the decision.
Keep the evidence.
One configuration, three BOM views, and a reviewable handoff at every boundary.
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Continuous validation
What happens when the source changes?
Revise the manufacturing BOM. Earlier reviews remain intact; shop and downstream acceptance must be repeated. Source history is retained.
Reality → reviewed release
Improve the next kit, not yesterday’s evidence.
After the complete thread, propose a 1100 mm standard width within the declared limits, inspect it, then review a successor release. The current configuration stays pinned to kit revision 1.
Owner-roadmap interface study
A queued packet is only the beginning.
After engineering and manufacturing review, try one synthetic consumer exchange. Reject it, revise and re-review the MBOM, then resubmit and compare an independent fixture read-back. This is a proposed contract, not a Stratus, MSUITE or Nomadic connector.
No exchange prepared. Complete the first seven lifecycle reviews.
Shop pins, prerequisites & receipts
Receipts & retained history
Hash-linked local events detect accidental changes. They are not signatures, trusted timestamps, or production authorization.