{"input": "1.1.1.1", "source_db": "ec", "how": "pattern", "category": "valid", "expect": {"valid": true, "normalized": "1.1.1.1", "suggestion": null}}
{"input": "1.1.1.1!", "source_db": "ec", "how": "pattern", "category": "invalid", "expect": {"valid": false, "normalized": null, "suggestion": null}}
{"input": null, "source_db": "ec", "how": "pattern", "category": "missing", "expect": {"valid": null, "normalized": null, "suggestion": null}}
{"input": "1.1.1.2", "source_db": "ec", "how": "pattern", "category": "valid", "expect": {"valid": true, "normalized": "1.1.1.2", "suggestion": null}}
