Review of my own text found an unattributed claim — "the mesh's claim that a node
can be rebuilt from its declarations" — which is not a stated principle anywhere.
Replaced with the design position that genuinely covers it: to-be 07 chooses
references over payload because "reproducibility comes from pinning the identity of
a thing rather than carrying its bytes". This incident is that choice's failure mode
when the identity stops resolving, which is a sharper point than the one I made.
Scope stated honestly: the passage is about the foundation bundle and this module is
not in it, but pin-identity-fetch-bytes is how every module gets third-party images.
Also names the tension the mirroring question actually carries — mirroring is a move
away from references-over-payload, so it is a decision, not a fix.
jochen
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