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docs(contract): exemplar centroid moves required -> optional (kannaka-memory#703) - #72
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…-memory#703) The exemplar publisher never sent centroid and the requirement turned out to be wrong by design, not just by size: HRM encodings are per-agent — each agent's encoder maps content into its own wave space, and divergence between encoders is deliberate — so an absorbing agent cannot use a foreign centroid. It re-encodes the exemplar's CONTENT into its own space; content plus content_hash is the interchange payload, and always was. Size seconds the motion: a full centroid is WAVEFRONT_DIM floats, and at large dims the top-25 post-dream batch brushes NATS's 1 MB payload cap. The envelope half of kannaka-memory#703 (schema_version + ts via add_envelope) already landed on the publisher side; with this amendment the shipped payload is fully on-contract. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Companion to the publisher-side envelope fix already on kannaka-memory master.
The requirement was wrong by design, not just by size: HRM encodings are per-agent — each agent's encoder maps content into its own wave space, and divergence between encoders is deliberate — so an absorbing agent cannot use a foreign centroid. It re-encodes the exemplar's content into its own space;
content+content_hashis the interchange payload, and always was. Size seconds the motion: a full centroid is WAVEFRONT_DIM floats, and the top-25 post-dream batch brushes NATS's 1 MB cap at large dims.With this amendment plus the landed
add_envelopechange, the shipped exemplar payload is fully on-contract. A regression test pinning the envelope keys lands separately in kannaka-memory.