{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "phase4-workflow/skill-execution-logging/v1.0.0",
  "title": "Skill Execution Logging Schema",
  "description": "Schema for skill execution dual logging (Integration Point 4.4)",
  "type": "object",
  "required": ["execution_id", "skill_id", "version", "timestamp", "logs"],
  "properties": {
    "execution_id": {
      "type": "string",
      "description": "Unique identifier for execution",
      "pattern": "^exec-[a-z0-9-]+$"
    },
    "skill_id": {
      "type": "string",
      "description": "Skill identifier",
      "pattern": "^[a-z0-9-]+$"
    },
    "version": {
      "type": "string",
      "description": "Skill version executed",
      "pattern": "^\\d+\\.\\d+\\.\\d+$"
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "Execution timestamp"
    },
    "logs": {
      "type": "object",
      "description": "Dual logging targets",
      "required": ["postgres", "phase4_db"],
      "properties": {
        "postgres": {
          "type": "object",
          "description": "PostgreSQL execution log",
          "required": ["logged", "record_id"],
          "properties": {
            "logged": {
              "type": "boolean"
            },
            "record_id": {
              "type": "string"
            },
            "table": {
              "type": "string",
              "default": "skill_executions"
            }
          }
        },
        "phase4_db": {
          "type": "object",
          "description": "Phase 4 metrics database log",
          "required": ["logged", "record_id"],
          "properties": {
            "logged": {
              "type": "boolean"
            },
            "record_id": {
              "type": "string"
            },
            "table": {
              "type": "string",
              "default": "execution_metrics"
            }
          }
        }
      }
    },
    "execution_metrics": {
      "type": "object",
      "description": "Execution metrics",
      "properties": {
        "duration_ms": {
          "type": "integer",
          "minimum": 0
        },
        "success": {
          "type": "boolean"
        },
        "error": {
          "type": "string"
        },
        "agent_id": {
          "type": "string"
        },
        "task_id": {
          "type": "string"
        }
      }
    },
    "cost_tracking": {
      "type": "object",
      "description": "Cost tracking for execution",
      "properties": {
        "enabled": {
          "type": "boolean",
          "default": true
        },
        "cost_usd": {
          "type": "number",
          "minimum": 0
        },
        "tokens": {
          "type": "object",
          "properties": {
            "input": {
              "type": "integer",
              "minimum": 0
            },
            "output": {
              "type": "integer",
              "minimum": 0
            }
          }
        }
      }
    },
    "log_format": {
      "type": "string",
      "enum": ["json", "structured", "text"],
      "default": "json"
    },
    "deduplication": {
      "type": "object",
      "description": "Deduplication for dual logging",
      "properties": {
        "enabled": {
          "type": "boolean",
          "default": true
        },
        "dedup_key": {
          "type": "string",
          "description": "Key for deduplication"
        }
      }
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "execution_id": "exec-cfn-coord-001",
      "skill_id": "cfn-coordination",
      "version": "2.0.0",
      "timestamp": "2025-11-17T10:30:00Z",
      "logs": {
        "postgres": {
          "logged": true,
          "record_id": "pg-12345",
          "table": "skill_executions"
        },
        "phase4_db": {
          "logged": true,
          "record_id": "p4-67890",
          "table": "execution_metrics"
        }
      },
      "execution_metrics": {
        "duration_ms": 1500,
        "success": true,
        "agent_id": "backend-developer-001",
        "task_id": "task-auth-implementation"
      },
      "cost_tracking": {
        "enabled": true,
        "cost_usd": 0.002,
        "tokens": {
          "input": 500,
          "output": 200
        }
      },
      "log_format": "json",
      "deduplication": {
        "enabled": true,
        "dedup_key": "exec-cfn-coord-001-2025-11-17"
      }
    }
  ]
}