{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-joinable-mandated-field",
  "id": "joinable-mandated-field",
  "kind": "constraint",
  "layer": {
    "href": "https://banes-lab.com/ontology/schema#layer-execution-core",
    "json": "https://banes-lab.com/json/records/layer/execution-core",
    "label": "Execution Core",
    "markdown": "https://banes-lab.com/records/layer/execution-core.md",
    "ref": "layer:execution-core"
  },
  "name": "Joinable Mandated Field",
  "ref": "architecture:joinable-mandated-field",
  "relations": [
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-carrier-field",
          "json": "https://banes-lab.com/json/records/lexicon/carrier-field",
          "label": "Carrier Field",
          "markdown": "https://banes-lab.com/records/lexicon/carrier-field.md",
          "ref": "lexicon:carrier-field"
        }
      ],
      "relation": "requires"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-carrier-and-payload-split",
          "json": "https://banes-lab.com/json/records/architecture/carrier-and-payload-split",
          "label": "Carrier and Payload Split",
          "markdown": "https://banes-lab.com/records/architecture/carrier-and-payload-split.md",
          "ref": "architecture:carrier-and-payload-split"
        }
      ],
      "relation": "reinforces"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-traceable-guarantee",
          "json": "https://banes-lab.com/json/records/lexicon/traceable-guarantee",
          "label": "Traceable Guarantee",
          "markdown": "https://banes-lab.com/records/lexicon/traceable-guarantee.md",
          "ref": "lexicon:traceable-guarantee"
        }
      ],
      "relation": "enables"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-unread-prose-mandate",
          "json": "https://banes-lab.com/json/records/lexicon/unread-prose-mandate",
          "label": "Unread Prose Mandate",
          "markdown": "https://banes-lab.com/records/lexicon/unread-prose-mandate.md",
          "ref": "lexicon:unread-prose-mandate"
        }
      ],
      "relation": "violated-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-draw-the-value-from-a-closed-set",
          "json": "https://banes-lab.com/json/records/lexicon/draw-the-value-from-a-closed-set",
          "label": "Draw the Value from a Closed Set",
          "markdown": "https://banes-lab.com/records/lexicon/draw-the-value-from-a-closed-set.md",
          "ref": "lexicon:draw-the-value-from-a-closed-set"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-declare-the-field-for-readers",
          "json": "https://banes-lab.com/json/records/lexicon/declare-the-field-for-readers",
          "label": "Declare the Field for Readers",
          "markdown": "https://banes-lab.com/records/lexicon/declare-the-field-for-readers.md",
          "ref": "lexicon:declare-the-field-for-readers"
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      ],
      "relation": "refactored-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#vocabulary-severity-recommended",
          "json": "https://banes-lab.com/json/records/vocabulary/severity-recommended",
          "label": "recommended",
          "markdown": "https://banes-lab.com/records/vocabulary/severity-recommended.md",
          "ref": "vocabulary:severity-recommended"
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      ],
      "relation": "severity"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-coordination-surfaces",
          "json": "https://banes-lab.com/json/records/architecture-category/coordination-surfaces",
          "label": "Coordination Surfaces",
          "markdown": "https://banes-lab.com/records/architecture-category/coordination-surfaces.md",
          "ref": "architecture-category:coordination-surfaces"
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      ],
      "relation": "category"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-coordination-surfaces",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-coordination-surfaces",
          "label": "Coordination Surfaces",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-coordination-surfaces.md",
          "ref": "chapter:/ontology#architecture-category-coordination-surfaces"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-coordination-surfaces",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-coordination-surfaces",
          "label": "Coordination Surfaces",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-coordination-surfaces.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-coordination-surfaces"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-vocabulary-severity",
          "json": "https://banes-lab.com/json/ontology/schema/the-vocabulary-severity",
          "label": "Severity levels",
          "markdown": "https://banes-lab.com/ontology/schema/the-vocabulary-severity.md",
          "ref": "chapter:/ontology/schema#the-vocabulary-severity"
        }
      ],
      "relation": "linked-from"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/anatomy/coordination#file-coordination-models-coordination-model-md",
          "json": "https://banes-lab.com/json/source/coordination/models/coordination.model.md",
          "label": "models/coordination.model.md",
          "markdown": "https://banes-lab.com/source/coordination/models/coordination.model.md.md",
          "ref": "anatomy:file-coordination-models-coordination-model-md"
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      ],
      "relation": "evidence"
    }
  ],
  "summary": "A rule or precondition that a mandated field takes a value from a closed set or an identifier, or declares that it is written for readers, so a governed surface never looks measured on a property nothing can read.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-single-aggregate",
      "json": "https://banes-lab.com/json/records/architecture/single-aggregate",
      "label": "Single Aggregate",
      "markdown": "https://banes-lab.com/records/architecture/single-aggregate.md",
      "ref": "architecture:single-aggregate"
    },
    "previous": {
      "href": "https://banes-lab.com/ontology#architecture-carrier-and-payload-split",
      "json": "https://banes-lab.com/json/records/architecture/carrier-and-payload-split",
      "label": "Carrier and Payload Split",
      "markdown": "https://banes-lab.com/records/architecture/carrier-and-payload-split.md",
      "ref": "architecture:carrier-and-payload-split"
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  },
  "up": {
    "href": null,
    "json": "https://banes-lab.com/json/api/records/architecture",
    "label": "Architecture principles",
    "markdown": "https://banes-lab.com/api/records/architecture.md",
    "ref": "api:records/architecture"
  },
  "aliases": [],
  "exemplar": {
    "after": "lifetime: retention <value>, mutability <value>, removal authority <value> → a check joins on the three values",
    "before": "every record must carry a lifetime paragraph → each author writes one → nothing can join on it",
    "lang": "flow",
    "medium": "composite"
  },
  "formedBy": null,
  "scope": [
    "field",
    "schema"
  ],
  "severity": "recommended"
}