{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "evidence/context-schema-v1.json",
  "title": "context.json — metadados de reprodutibilidade por corrida (v1)",
  "description": "Schema estendido para evidence/<runId>/context.json. Campos legados mantidos; v1 adiciona inferência LLM e versionamento de prompts.",
  "type": "object",
  "required": [
    "runId",
    "campaignId",
    "provider",
    "modelVersion",
    "seed",
    "commitHash",
    "datasetVersion",
    "contractsVersion",
    "toolBudget",
    "promptVersion",
    "inferenceConfigVersion",
    "inferenceConfig",
    "promptArtifacts",
    "promptArtifactsHash"
  ],
  "properties": {
    "runId": {
      "type": "string",
      "pattern": "^run-[0-9]{8}-[0-9]{4}-[a-z0-9]+$",
      "description": "Identificador único da corrida"
    },
    "campaignId": {
      "type": "string",
      "enum": ["mcp", "baseline-static"]
    },
    "provider": {
      "type": "string",
      "enum": ["google", "openai"]
    },
    "modelVersion": {
      "type": "string",
      "description": "Versão fixa do modelo (ex.: gemini-3.5-flash, gpt-5.4-nano)"
    },
    "seed": {
      "type": "integer",
      "description": "Seed explícita da campanha"
    },
    "commitHash": {
      "type": "string",
      "minLength": 7,
      "description": "Hash Git do código-fonte do artefato no congelamento da corrida"
    },
    "datasetVersion": {
      "type": "string",
      "description": "Versão da massa laboratorial / DDL de referência"
    },
    "contractsVersion": {
      "type": "string",
      "description": "Versão semântica dos contratos MCP (modo mcp)"
    },
    "toolBudget": {
      "type": "integer",
      "minimum": 0,
      "maximum": 10,
      "description": "Limite de tool calls por sessão (0 no baseline)"
    },
    "promptVersion": {
      "type": "string",
      "const": "v1"
    },
    "inferenceConfigVersion": {
      "type": "string",
      "const": "v1"
    },
    "inferenceConfig": {
      "type": "object",
      "required": [
        "temperatureSupported",
        "topP",
        "maxOutputTokens"
      ],
      "properties": {
        "temperature": {
          "type": ["number", "null"],
          "minimum": 0,
          "maximum": 1,
          "description": "0 quando suportado; null quando temperatureSupported=false"
        },
        "temperatureSupported": {
          "type": "boolean"
        },
        "topP": {
          "type": ["number", "null"],
          "description": "Omitido (null) na política v1"
        },
        "maxOutputTokens": {
          "type": "integer",
          "minimum": 1,
          "description": "Limite de tokens de saída por request"
        },
        "maxInputTokens": {
          "type": ["integer", "null"],
          "description": "Opcional; null se não fixado pelo harness"
        }
      },
      "additionalProperties": false
    },
    "promptArtifacts": {
      "type": "object",
      "required": ["systemShared", "systemMode", "userTemplate"],
      "properties": {
        "systemShared": {
          "type": "string",
          "description": "Caminho relativo à raiz do projeto do bloco compartilhado"
        },
        "systemMode": {
          "type": "string",
          "description": "system-mcp-v1.md ou system-baseline-v1.md conforme campaignId"
        },
        "userTemplate": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "promptArtifactsHash": {
      "type": "string",
      "pattern": "^[a-f0-9]{64}$",
      "description": "SHA-256 dos quatro arquivos .md do manifesto v1"
    },
    "questionId": {
      "type": "string",
      "pattern": "^Q[0-9]{2}$",
      "description": "Opcional: Q01–Q30 na bateria v1"
    }
  },
  "additionalProperties": false,
  "allOf": [
    {
      "if": {
        "properties": { "campaignId": { "const": "baseline-static" } }
      },
      "then": {
        "properties": {
          "toolBudget": { "const": 0 },
          "promptArtifacts": {
            "properties": {
              "systemMode": {
                "const": "templates/prompts/system-baseline-v1.md"
              }
            }
          }
        }
      }
    },
    {
      "if": {
        "properties": { "campaignId": { "const": "mcp" } }
      },
      "then": {
        "properties": {
          "promptArtifacts": {
            "properties": {
              "systemMode": {
                "const": "templates/prompts/system-mcp-v1.md"
              }
            }
          }
        }
      }
    },
    {
      "if": {
        "properties": {
          "inferenceConfig": {
            "properties": { "temperatureSupported": { "const": true } }
          }
        }
      },
      "then": {
        "properties": {
          "inferenceConfig": {
            "required": ["temperature"],
            "properties": {
              "temperature": { "const": 0 }
            }
          }
        }
      }
    }
  ]
}