[
  {
    "description": "Strict Inheritance",
    "database": {
      "schemas": {
        "parent_type": {
          "type": "object",
          "properties": {
            "a": {
              "type": "integer"
            }
          },
          "required": [
            "a"
          ]
        },
        "child_type": {
          "type": "parent_type",
          "properties": {
            "b": {
              "type": "integer"
            }
          }
        }
      }
    },
    "tests": [
      {
        "description": "valid child inherits properties and strictness",
        "schema_id": "child_type",
        "data": {
          "a": 1,
          "b": 2
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "missing inherited required property fails",
        "schema_id": "child_type",
        "data": {
          "b": 2
        },
        "action": "validate",
        "expect": {
          "success": false
        }
      },
      {
        "description": "additional properties fail due to inherited strictness",
        "schema_id": "child_type",
        "data": {
          "a": 1,
          "b": 2,
          "c": 3
        },
        "action": "validate",
        "expect": {
          "success": false
        }
      }
    ]
  },
  {
    "description": "Local Shadowing (Composition & Proxies)",
    "database": {
      "schemas": {
        "budget": {
          "type": "object",
          "properties": {
            "max": {
              "type": "integer",
              "maximum": 100
            }
          }
        },
        "custom_budget": {
          "type": "budget",
          "properties": {
            "max": {
              "type": "integer",
              "maximum": 50
            }
          }
        }
      }
    },
    "tests": [
      {
        "description": "shadowing override applies (50 is locally allowed)",
        "schema_id": "custom_budget",
        "data": {
          "max": 40
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "shadowing override applies natively, rejecting 60 even though parent allowed 100",
        "schema_id": "custom_budget",
        "data": {
          "max": 60
        },
        "action": "validate",
        "expect": {
          "success": false
        }
      }
    ]
  },
  {
    "description": "Primitive Array Shorthand (Optionality)",
    "database": {
      "schemas": {
        "invoice": {
          "type": "object",
          "properties": {
            "amount": {
              "type": "integer"
            }
          },
          "required": [
            "amount"
          ]
        },
        "request": {
          "type": "object",
          "properties": {
            "inv": {
              "type": [
                "invoice",
                "null"
              ]
            }
          }
        }
      }
    },
    "tests": [
      {
        "description": "valid object passes shorthand inheritance check",
        "schema_id": "request",
        "data": {
          "inv": {
            "amount": 5
          }
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "null passes shorthand inheritance check",
        "schema_id": "request",
        "data": {
          "inv": null
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "invalid object fails inner constraints safely",
        "schema_id": "request",
        "data": {
          "inv": {
            "amount": "string"
          }
        },
        "action": "validate",
        "expect": {
          "success": false
        }
      }
    ]
  }
]