{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Code Architecture Analysis",
  "description": "Architecture and design analysis of explored code",
  "type": "object",
  "required": ["topic", "patterns", "timestamp"],
  "properties": {
    "topic": { "type": "string", "minLength": 3 },
    "patterns": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name", "where", "why"],
        "properties": {
          "name": { "type": "string" },
          "where": { "type": "string" },
          "why": { "type": "string" },
          "quality": { "type": "string", "enum": ["well-implemented", "adequate", "needs-improvement"] }
        }
      }
    },
    "data_flow": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name"],
        "properties": {
          "name": { "type": "string" },
          "stages": { "type": "array", "items": { "type": "string" } },
          "key_transformations": { "type": "array", "items": { "type": "string" } }
        }
      }
    },
    "error_handling": {
      "type": "object",
      "properties": {
        "strategy": { "type": "string" },
        "patterns": { "type": "array", "items": { "type": "string" } },
        "gaps": { "type": "array", "items": { "type": "string" } }
      }
    },
    "concurrency": {
      "type": "object",
      "properties": {
        "model": { "type": "string" },
        "primitives": { "type": "array", "items": { "type": "string" } },
        "risks": { "type": "array", "items": { "type": "string" } }
      }
    },
    "extension_points": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["interface", "file"],
        "properties": {
          "interface": { "type": "string" },
          "file": { "type": "string" },
          "purpose": { "type": "string" }
        }
      }
    },
    "design_decisions": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["decision"],
        "properties": {
          "decision": { "type": "string" },
          "rationale": { "type": "string" },
          "trade_offs": { "type": "string" }
        }
      }
    },
    "timestamp": { "type": "string", "format": "date-time" }
  }
}