{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Agent Versions Schema",
  "description": "Schema for tracking agent evolution in APAW",
  "type": "object",
  "required": ["version", "lastUpdated", "agents", "providers", "evolution_metrics"],
  "properties": {
    "$schema": {
      "type": "string",
      "description": "Reference to this schema"
    },
    "version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+$",
      "description": "Schema version (semver)"
    },
    "lastUpdated": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp of last update"
    },
    "agents": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "required": ["current", "history", "performance_log"],
        "properties": {
          "current": {
            "type": "object",
            "required": ["model", "provider", "category", "mode", "description"],
            "properties": {
              "model": {
                "type": "string",
                "description": "Current model ID (e.g., ollama-cloud/qwen3-coder:480b)"
              },
              "provider": {
                "type": "string",
                "enum": ["Ollama", "OpenRouter", "Groq", "Unknown"],
                "description": "Model provider"
              },
              "category": {
                "type": "string",
                "description": "Agent category (Core Dev, QA, Security, etc.)"
              },
              "mode": {
                "type": "string",
                "enum": ["primary", "subagent", "all"],
                "description": "Agent invocation mode"
              },
              "color": {
                "type": "string",
                "pattern": "^#[0-9A-Fa-f]{6}$",
                "description": "UI color in hex format"
              },
              "description": {
                "type": "string",
                "description": "Agent purpose description"
              },
              "benchmark": {
                "type": "object",
                "properties": {
                  "swe_bench": { "type": "number", "minimum": 0, "maximum": 100 },
                  "ruler_1m": { "type": "number", "minimum": 0, "maximum": 100 },
                  "terminal_bench": { "type": "number", "minimum": 0, "maximum": 100 },
                  "pinch_bench": { "type": "number", "minimum": 0, "maximum": 100 },
                  "fit_score": { "type": "number", "minimum": 0, "maximum": 100 }
                }
              },
              "capabilities": {
                "type": "array",
                "items": { "type": "string" },
                "description": "List of agent capabilities"
              },
              "recommendations": {
                "type": "array",
                "items": {
                  "type": "object",
                  "required": ["target", "reason", "priority"],
                  "properties": {
                    "target": { "type": "string" },
                    "reason": { "type": "string" },
                    "priority": {
                      "type": "string",
                      "enum": ["critical", "high", "medium", "low"]
                    }
                  }
                }
              },
              "status": {
                "type": "string",
                "enum": ["active", "new", "deprecated", "testing"]
              }
            }
          },
          "history": {
            "type": "array",
            "items": {
              "type": "object",
              "required": ["date", "commit", "type", "to", "reason", "source"],
              "properties": {
                "date": {
                  "type": "string",
                  "format": "date-time"
                },
                "commit": { "type": "string" },
                "type": {
                  "type": "string",
                  "enum": ["model_change", "prompt_change", "agent_created", "agent_removed", "capability_change"]
                },
                "from": { "type": ["string", "null"] },
                "to": { "type": "string" },
                "reason": { "type": "string" },
                "source": {
                  "type": "string",
                  "enum": ["git", "gitea", "manual"]
                },
                "issue_number": { "type": "integer" }
              }
            }
          },
          "performance_log": {
            "type": "array",
            "items": {
              "type": "object",
              "required": ["date", "issue", "score", "success"],
              "properties": {
                "date": { "type": "string", "format": "date-time" },
                "issue": { "type": "integer" },
                "score": { "type": "number", "minimum": 0, "maximum": 10 },
                "duration_ms": { "type": "integer" },
                "success": { "type": "boolean" }
              }
            }
          }
        }
      }
    },
    "providers": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "required": ["models"],
        "properties": {
          "models": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "id": { "type": "string" },
                "swe_bench": { "type": "number" },
                "terminal_bench": { "type": "number" },
                "ruler_1m": { "type": "number" },
                "pinch_bench": { "type": "number" },
                "context": { "type": "string" },
                "active_params": { "type": "string" },
                "speed_tps": { "type": "number" },
                "rpm": { "type": "number" },
                "rpd": { "type": "number" },
                "tpm": { "type": "string" },
                "tpd": { "type": "string" },
                "free": { "type": "boolean" }
              }
            }
          }
        }
      }
    },
    "evolution_metrics": {
      "type": "object",
      "required": ["total_agents", "agents_with_history", "pending_recommendations", "last_sync", "sync_sources"],
      "properties": {
        "total_agents": { "type": "integer", "minimum": 0 },
        "agents_with_history": { "type": "integer", "minimum": 0 },
        "pending_recommendations": { "type": "integer", "minimum": 0 },
        "last_sync": { "type": "string", "format": "date-time" },
        "sync_sources": {
          "type": "array",
          "items": { "type": "string" }
        }
      }
    }
  }
}