[
    {
        "description": "merging: properties accumulate",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "$defs": {
                "base": {
                    "properties": {
                        "base_prop": {
                            "type": "string"
                        }
                    }
                }
            },
            "$ref": "#/$defs/base",
            "properties": {
                "child_prop": {
                    "type": "string"
                }
            }
        },
        "tests": [
            {
                "description": "valid with both properties",
                "data": {
                    "base_prop": "a",
                    "child_prop": "b"
                },
                "valid": true
            },
            {
                "description": "invalid when base property has wrong type",
                "data": {
                    "base_prop": 1,
                    "child_prop": "b"
                },
                "valid": false,
                "expect_errors": [
                    {
                        "code": "TYPE_MISMATCH",
                        "path": "/base_prop"
                    }
                ]
            }
        ]
    },
    {
        "description": "merging: required fields accumulate",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "$defs": {
                "base": {
                    "properties": {
                        "a": {
                            "type": "string"
                        }
                    },
                    "required": [
                        "a"
                    ]
                }
            },
            "$ref": "#/$defs/base",
            "properties": {
                "b": {
                    "type": "string"
                }
            },
            "required": [
                "b"
            ]
        },
        "tests": [
            {
                "description": "valid when both present",
                "data": {
                    "a": "ok",
                    "b": "ok"
                },
                "valid": true
            },
            {
                "description": "invalid when base required missing",
                "data": {
                    "b": "ok"
                },
                "valid": false,
                "expect_errors": [
                    {
                        "code": "REQUIRED_FIELD_MISSING",
                        "path": "/a"
                    }
                ]
            },
            {
                "description": "invalid when child required missing",
                "data": {
                    "a": "ok"
                },
                "valid": false,
                "expect_errors": [
                    {
                        "code": "REQUIRED_FIELD_MISSING",
                        "path": "/b"
                    }
                ]
            }
        ]
    },
    {
        "description": "merging: dependencies accumulate",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "$defs": {
                "base": {
                    "properties": {
                        "trigger": {
                            "type": "string"
                        },
                        "base_dep": {
                            "type": "string"
                        }
                    },
                    "dependencies": {
                        "trigger": [
                            "base_dep"
                        ]
                    }
                }
            },
            "$ref": "#/$defs/base",
            "properties": {
                "child_dep": {
                    "type": "string"
                }
            },
            "dependencies": {
                "trigger": [
                    "child_dep"
                ]
            }
        },
        "tests": [
            {
                "description": "valid with all deps",
                "data": {
                    "trigger": "go",
                    "base_dep": "ok",
                    "child_dep": "ok"
                },
                "valid": true
            },
            {
                "description": "invalid missing base dep",
                "data": {
                    "trigger": "go",
                    "child_dep": "ok"
                },
                "valid": false,
                "expect_errors": [
                    {
                        "code": "DEPENDENCY_FAILED",
                        "path": "/base_dep"
                    }
                ]
            },
            {
                "description": "invalid missing child dep",
                "data": {
                    "trigger": "go",
                    "base_dep": "ok"
                },
                "valid": false,
                "expect_errors": [
                    {
                        "code": "DEPENDENCY_FAILED",
                        "path": "/child_dep"
                    }
                ]
            }
        ]
    },
    {
        "description": "merging: form and display do NOT merge",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "$defs": {
                "base": {
                    "properties": {
                        "a": {
                            "type": "string"
                        },
                        "b": {
                            "type": "string"
                        }
                    },
                    "form": [
                        "a",
                        "b"
                    ]
                }
            },
            "$ref": "#/$defs/base",
            "properties": {
                "c": {
                    "type": "string"
                }
            },
            "form": [
                "c"
            ]
        },
        "tests": [
            {
                "description": "child schema validation",
                "data": {
                    "a": "ok",
                    "b": "ok",
                    "c": "ok"
                },
                "valid": true,
                "comment": "Verifies validator handles the unmerged metadata correctly (ignores it or handles replacement)"
            }
        ]
    }
]