{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Compass case feature snapshot",
  "type": "object",
  "required": [
    "payment_claim",
    "dispute_mention",
    "financial_hardship",
    "cease_contact_request",
    "insolvency_mention",
    "recorded_uncredited_amount"
  ],
  "additionalProperties": false,
  "properties": {
    "payment_claim": {
      "$ref": "#/$defs/feature"
    },
    "dispute_mention": {
      "$ref": "#/$defs/feature"
    },
    "financial_hardship": {
      "$ref": "#/$defs/feature"
    },
    "cease_contact_request": {
      "$ref": "#/$defs/feature"
    },
    "insolvency_mention": {
      "$ref": "#/$defs/feature"
    },
    "recorded_uncredited_amount": {
      "$ref": "#/$defs/money_feature"
    }
  },
  "$defs": {
    "feature": {
      "type": "object",
      "required": [
        "value",
        "quality",
        "evidence",
        "version",
        "allowed_use",
        "snapshot_id",
        "known_at_utc",
        "entity_id",
        "as_of_date"
      ],
      "additionalProperties": false,
      "properties": {
        "value": {
          "type": [
            "boolean",
            "number",
            "null"
          ]
        },
        "quality": {
          "enum": [
            "supported_signal",
            "unknown"
          ]
        },
        "evidence": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "source_id",
              "method"
            ],
            "properties": {
              "source_id": {
                "type": "string"
              },
              "method": {
                "enum": [
                  "unvalidated_pattern_baseline",
                  "released_structured_field",
                  "validated_ai_span_v1",
                  "cited_human_review_v1"
                ]
              }
            }
          }
        },
        "version": {
          "const": "shared-features-6"
        },
        "allowed_use": {
          "type": "string",
          "minLength": 1
        },
        "snapshot_id": {
          "type": "string",
          "minLength": 1
        },
        "known_at_utc": {
          "type": "string",
          "format": "date-time"
        },
        "entity_id": {
          "type": "string",
          "minLength": 1
        },
        "as_of_date": {
          "type": [
            "string",
            "null"
          ],
          "format": "date"
        },
        "model_metadata": {
          "type": "object"
        }
      }
    },
    "money_feature": {
      "type": "object",
      "required": [
        "value",
        "quality",
        "evidence",
        "version",
        "allowed_use",
        "snapshot_id",
        "known_at_utc",
        "entity_id",
        "as_of_date"
      ],
      "additionalProperties": false,
      "properties": {
        "value": {
          "type": [
            "string",
            "null"
          ],
          "pattern": "^\\d+\\.\\d{2}$"
        },
        "quality": {
          "enum": [
            "supported_signal",
            "unknown"
          ]
        },
        "evidence": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "source_id",
              "method"
            ],
            "properties": {
              "source_id": {
                "type": "string"
              },
              "method": {
                "enum": [
                  "unvalidated_pattern_baseline",
                  "released_structured_field",
                  "released_transaction_record",
                  "validated_ai_span_v1",
                  "cited_human_review_v1"
                ]
              }
            }
          }
        },
        "version": {
          "const": "shared-features-6"
        },
        "allowed_use": {
          "type": "string",
          "minLength": 1
        },
        "snapshot_id": {
          "type": "string",
          "minLength": 1
        },
        "known_at_utc": {
          "type": "string",
          "format": "date-time"
        },
        "entity_id": {
          "type": "string",
          "minLength": 1
        },
        "as_of_date": {
          "type": [
            "string",
            "null"
          ],
          "format": "date"
        },
        "currency": {
          "enum": [
            "CAD",
            "USD"
          ]
        },
        "allocation_hash": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "allocation_version": {
          "type": "string"
        },
        "model_metadata": {
          "type": "object"
        }
      }
    }
  },
  "x-owner": "Coffeebeans prototype; bank operational owner TBC",
  "x-grain": "Case features, with recorded_uncredited_amount scoped to an explicitly selected promise",
  "x-computation": "src.decisioning.engine.shared_features; same function for live decisions and offline fixtures",
  "x-storage": "Immutable feature values are sealed inside the SQLite Decision Record; no separate feature platform",
  "x-allowed-uses": [
    "Evidence investigation",
    "Protective verification",
    "Reviewed internal proposals"
  ],
  "x-prohibited-uses": [
    "Protected-field treatment decisions",
    "Automated contact",
    "Proof of non-payment",
    "Verified legal status inferred from a mention"
  ],
  "x-invariants": [
    "Every feature references the same case, snapshot and calculation version as its Decision Record",
    "Absent detection is unknown, never false",
    "A text quote must equal its exact recorded span and carry the input content hash",
    "Outcome analytics and future fields never enter shared_features",
    "Only supplied structured flags and cited financial/protective mentions may influence review",
    "recorded_uncredited_amount is a decimal string only for a validated selected-promise allocation; otherwise null"
  ]
}