{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://assetoverflow.dev/core/schemas/probe",
  "title": "CORE Probe Record",
  "description": "A deterministic probe for pack validation. Probes are the executable assertions that verify a pack's contract against real inputs.",
  "type": "object",
  "required": ["probe_id", "kind", "input", "expected"],
  "properties": {
    "probe_id": {
      "type": "string",
      "description": "Stable unique identifier. Convention: {lang}:{gate}:{probe-name}."
    },
    "kind": {
      "type": "string",
      "description": "Which gate this probe tests. One of: 'schema', 'lexical', 'morphology', 'lift', 'readback', 'determinism', 'alignment', 'coverage'.",
      "enum": ["schema", "lexical", "morphology", "lift", "readback", "determinism", "alignment", "coverage"]
    },
    "input": {
      "description": "The input to the operation under test. Shape depends on kind."
    },
    "expected": {
      "description": "The expected output or outcome. Shape depends on kind."
    },
    "tolerance": {
      "type": ["number", "null"],
      "description": "For numeric comparisons, the acceptable deviation. Null for exact-match probes."
    },
    "notes": {
      "type": ["string", "null"],
      "description": "Optional commentary on what this probe is checking and why."
    }
  },
  "additionalProperties": false
}