{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://thinkloom.app/schemas/provenance/1.0/model-capability-snapshot.schema.json",
  "title": "Model capability snapshot",
  "description": "Immutable observed capability set for an invoked model.",
  "type": "object",
  "properties": {
    "schema_version": {
      "const": "1.0"
    },
    "snapshot_id": {
      "type": "string",
      "pattern": "^record_[0-9A-HJKMNP-TV-Z]{26}$"
    },
    "provider_id": {
      "type": "string",
      "minLength": 1
    },
    "model_id": {
      "type": "string",
      "minLength": 1
    },
    "capabilities": {
      "type": "object",
      "properties": {
        "streaming": {
          "type": "boolean"
        },
        "structured_output": {
          "type": "boolean"
        },
        "tools": {
          "type": "boolean"
        },
        "vision": {
          "type": "boolean"
        }
      },
      "required": [
        "streaming",
        "structured_output",
        "tools",
        "vision"
      ],
      "additionalProperties": false
    },
    "observed_at": {
      "type": "string",
      "format": "date-time",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    }
  },
  "required": [
    "schema_version",
    "snapshot_id",
    "provider_id",
    "model_id",
    "capabilities",
    "observed_at"
  ],
  "additionalProperties": false,
  "examples": [
    {
      "schema_version": "1.0",
      "snapshot_id": "record_01J00000000000000000000005",
      "provider_id": "ollama",
      "model_id": "llama3.2",
      "capabilities": {
        "streaming": true,
        "structured_output": false,
        "tools": false,
        "vision": false
      },
      "observed_at": "2026-07-17T18:42:10.123Z"
    }
  ]
}