{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://bmad-spec/schemas/system_architecture.schema.json",
  "title": "System Architecture",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "context",
    "decisions",
    "components",
    "data_model",
    "integration",
    "deployment",
    "security",
    "performance"
  ],
  "properties": {
    "context": { "type": "string" },
    "decisions": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "decision", "rationale", "status"],
        "properties": {
          "id": { "type": "string", "pattern": "^ADR-[0-9]{3}$" },
          "decision": { "type": "string" },
          "rationale": { "type": "string" },
          "status": { "type": "string", "enum": ["accepted", "proposed", "rejected"] }
        }
      }
    },
    "components": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["name", "responsibilities", "technology"],
        "properties": {
          "name": { "type": "string" },
          "responsibilities": { "type": "array", "items": { "type": "string" } },
          "technology": { "type": "string" }
        }
      }
    },
    "data_model": {
      "type": "object",
      "additionalProperties": false,
      "required": ["entities"],
      "properties": {
        "entities": {
          "type": "array",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["name", "attributes"],
            "properties": {
              "name": { "type": "string" },
              "attributes": {
                "type": "array",
                "items": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": ["name", "type"],
                  "properties": {
                    "name": { "type": "string" },
                    "type": { "type": "string" },
                    "description": { "type": "string" }
                  }
                }
              },
              "relationships": { "type": "array", "items": { "type": "string" } }
            }
          }
        }
      }
    },
    "integration": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["with", "protocol", "direction"],
        "properties": {
          "with": { "type": "string" },
          "protocol": { "type": "string" },
          "direction": { "type": "string", "enum": ["inbound", "outbound", "bidirectional"] },
          "notes": { "type": "string" }
        }
      }
    },
    "deployment": {
      "type": "object",
      "additionalProperties": false,
      "required": ["strategy"],
      "properties": {
        "strategy": { "type": "string" },
        "diagram": { "type": "string" }
      }
    },
    "security": {
      "type": "object",
      "additionalProperties": false,
      "required": ["threats", "controls"],
      "properties": {
        "threats": { "type": "array", "items": { "type": "string" } },
        "controls": { "type": "array", "items": { "type": "string" } }
      }
    },
    "performance": {
      "type": "object",
      "additionalProperties": false,
      "required": ["targets"],
      "properties": {
        "targets": {
          "type": "array",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": ["metric", "target"],
            "properties": {
              "metric": { "type": "string" },
              "target": { "type": "string" }
            }
          }
        }
      }
    }
  }
}