{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "status"
  ],
  "properties": {
    "status": {
      "type": "string",
      "enum": [
        "succeeded",
        "failed"
      ]
    },
    "code": {
      "type": "string",
      "minLength": 1
    },
    "value": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "outcome"
      ],
      "properties": {
        "outcome": {
          "type": "string",
          "enum": [
            "implemented",
            "blocked"
          ]
        },
        "reason": {"type": ["string", "null"]},
        "application": {
          "type": "object",
          "additionalProperties": false,
          "required": [
            "status",
            "note"
          ],
          "properties": {
            "status": {
              "type": "string",
              "enum": [
                "applied",
                "no_relevant_lesson"
              ]
            },
            "note": {
              "type": [
                "string",
                "null"
              ]
            }
          }
        },
        "retrospective": {
          "type": "object",
          "additionalProperties": false,
          "required": [
            "status",
            "candidates",
            "reason"
          ],
          "properties": {
            "status": {
              "type": "string",
              "enum": [
                "no_new_lesson",
                "lesson_candidate",
                "writeback_pending"
              ]
            },
            "candidates": {
              "type": "array",
              "maxItems": 3,
              "items": {
                "type": "object",
                "additionalProperties": false,
                "required": [
                  "classification",
                  "trigger",
                  "action",
                  "evidence"
                ],
                "properties": {
                  "classification": {
                    "type": "string",
                    "enum": [
                      "structured",
                      "memory_only"
                    ]
                  },
                  "trigger": {
                    "type": "string"
                  },
                  "action": {
                    "type": "string"
                  },
                  "evidence": {
                    "type": "array",
                    "items": {
                      "type": "string"
                    }
                  }
                }
              }
            },
            "reason": {
              "type": [
                "string",
                "null"
              ]
            }
          }
        }
      }
    },
    "edits": {
      "type": "array",
      "maxItems": 64,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "path",
          "beforeSha256",
          "content"
        ],
        "properties": {
          "path": {
            "type": "string",
            "minLength": 1
          },
          "beforeSha256": {
            "type": [
              "string",
              "null"
            ],
            "pattern": "^[a-f0-9]{64}$"
          },
          "content": {
            "type": [
              "string",
              "null"
            ]
          }
        }
      }
    }
  }
}