{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "file-operations/memory-persistence/v1.0.0",
  "title": "Memory State Persistence Schema",
  "description": "Schema for persisting memory state using SQLite or Redis (Integration Point 2.10)",
  "type": "object",
  "required": ["persistence_id", "state_key", "state_data", "storage_backend", "timestamp"],
  "properties": {
    "persistence_id": {
      "type": "string",
      "description": "Unique identifier for persistence operation",
      "pattern": "^persist-[a-z0-9-]+$"
    },
    "state_key": {
      "type": "string",
      "description": "Key identifying the state",
      "pattern": "^[a-z0-9:_-]+$"
    },
    "state_data": {
      "type": "object",
      "description": "State data to persist"
    },
    "storage_backend": {
      "type": "string",
      "enum": ["sqlite", "redis", "both"],
      "description": "Storage backend used"
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "Persistence timestamp"
    },
    "selection_criteria": {
      "type": "object",
      "description": "Criteria for choosing SQLite vs Redis",
      "properties": {
        "data_size_bytes": {
          "type": "integer",
          "description": "Size of data being persisted"
        },
        "access_pattern": {
          "type": "string",
          "enum": ["frequent", "infrequent", "one-time"],
          "description": "Expected access pattern"
        },
        "durability_required": {
          "type": "boolean",
          "description": "Whether data must survive process restart"
        },
        "ttl_seconds": {
          "type": "integer",
          "description": "Time-to-live in seconds (0 = permanent)"
        }
      }
    },
    "sync_strategy": {
      "type": "object",
      "description": "Sync strategy between SQLite and Redis",
      "properties": {
        "enabled": {
          "type": "boolean",
          "description": "Whether to sync between stores",
          "default": false
        },
        "direction": {
          "type": "string",
          "enum": ["sqlite_to_redis", "redis_to_sqlite", "bidirectional"],
          "description": "Sync direction"
        },
        "sync_interval_seconds": {
          "type": "integer",
          "minimum": 1,
          "description": "Sync interval"
        }
      }
    },
    "recovery_config": {
      "type": "object",
      "description": "Recovery procedures",
      "properties": {
        "backup_enabled": {
          "type": "boolean",
          "default": true
        },
        "backup_interval_hours": {
          "type": "integer",
          "minimum": 1,
          "default": 24
        },
        "recovery_point_objective_minutes": {
          "type": "integer",
          "description": "Maximum acceptable data loss (RPO)"
        }
      }
    },
    "compression": {
      "type": "object",
      "properties": {
        "enabled": {
          "type": "boolean",
          "default": false
        },
        "algorithm": {
          "type": "string",
          "enum": ["gzip", "brotli", "none"],
          "default": "none"
        }
      }
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "persistence_id": "persist-agent-state-001",
      "state_key": "agent:backend-001:state",
      "state_data": {
        "current_task": "task-auth",
        "iteration": 1,
        "confidence": 0.85
      },
      "storage_backend": "redis",
      "timestamp": "2025-11-17T10:30:00Z",
      "selection_criteria": {
        "data_size_bytes": 512,
        "access_pattern": "frequent",
        "durability_required": false,
        "ttl_seconds": 3600
      },
      "sync_strategy": {
        "enabled": false
      },
      "recovery_config": {
        "backup_enabled": false
      }
    }
  ]
}