{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sierracatalina.com/context-layer/implementation/memory-update-proposal.schema.json",
  "title": "memory update proposal",
  "description": "Phase 0 v0.2 proposal-only memory writeback contract.",
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    "rationale",
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    },
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      "pattern": "^urn:cl:proposal:[A-Za-z0-9._~-]+$"
    },
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    },
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    "expires_at": {
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    "integrity": {
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      "type": "string",
      "pattern": "^sha256:[0-9a-f]{64}$"
    },
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      "additionalProperties": false,
      "required": [
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      ],
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}