{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "database-handoffs/persistent-skill-data/v1.0.0",
  "title": "Persistent Skill Data Schema",
  "description": "Schema for skill data persistence from Docker volumes to SQLite (Integration Point 1.9)",
  "type": "object",
  "required": ["persistence_id", "volume_path", "db_path", "skill_count", "timestamp"],
  "properties": {
    "persistence_id": {
      "type": "string",
      "description": "Unique identifier for persistence operation",
      "pattern": "^persist-[a-z0-9-]+$"
    },
    "volume_path": {
      "type": "string",
      "description": "Docker volume mount path",
      "pattern": "^/.*"
    },
    "db_path": {
      "type": "string",
      "description": "SQLite database file path",
      "pattern": "^/.*\\.db$"
    },
    "skill_count": {
      "type": "integer",
      "description": "Number of skills persisted",
      "minimum": 0
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "When persistence occurred"
    },
    "volume_permissions": {
      "type": "object",
      "description": "Volume mount permissions",
      "required": ["mode", "owner", "group"],
      "properties": {
        "mode": {
          "type": "string",
          "pattern": "^[0-7]{3,4}$",
          "default": "0755"
        },
        "owner": {
          "type": "string"
        },
        "group": {
          "type": "string"
        }
      }
    },
    "backup_metadata": {
      "type": "object",
      "description": "Backup/restore information",
      "properties": {
        "backup_path": {
          "type": "string"
        },
        "last_backup_at": {
          "type": "string",
          "format": "date-time"
        },
        "restore_point": {
          "type": "string"
        }
      }
    },
    "integrity_check": {
      "type": "object",
      "properties": {
        "checksum": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        },
        "verified_at": {
          "type": "string",
          "format": "date-time"
        },
        "status": {
          "type": "string",
          "enum": ["verified", "failed", "pending"]
        }
      }
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "persistence_id": "persist-skills-001",
      "volume_path": "/var/lib/docker/volumes/cfn-skills/_data",
      "db_path": "/data/skills.db",
      "skill_count": 43,
      "timestamp": "2025-11-17T10:30:00Z",
      "volume_permissions": {
        "mode": "0755",
        "owner": "claude",
        "group": "claude"
      },
      "integrity_check": {
        "checksum": "abc123...",
        "verified_at": "2025-11-17T10:30:00Z",
        "status": "verified"
      }
    }
  ]
}