Hi Sangam,

I mean the first: durable custody and prevention of bypass are part of
the intended execution model. The deployment has to implement and
demonstrate them; they are not optional assumptions outside the claim.

The published AEB -04 makes that distinction explicitly. Section 5.8
requires an atomic durable reservation or consumption before
invocation. Section 8 permits a complete-mediation claim only when the
protected system rejects material alternate paths or subjects them to
an equivalent boundary:
https://www.ietf.org/archive/id/draft-schrock-action-evidence-boundary-04.html#section-8

In practice, that means controlling the credentials and interfaces
that can cause the protected effect, sharing the relevant reservation
state across every executor that can reach it, and retaining
unresolved attempts through recovery. A wrapper that an agent can
bypass with another credential does not meet that claim.

The AuthZEN harness establishes only the narrower single-instance
behavior. It is not evidence that those deployment conditions have
been met.

So I think we are aiming at the same invariant within a declared
protected boundary. The remaining qualification is the remote
provider: AEB does not make our local transaction atomic with its
effect, or prove that the provider physically did what it reported.
That is why post-dispatch uncertainty stays unresolved until matching
authoritative evidence is available.

Best,
Iman
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