{
    "summary": [
        {
            "name": "hermes_service_sessions",
            "title": "Hermes Service Sessions",
            "primary": "id",
            "catelog": "relation"
        }
    ],
    "fields": [
        {
            "name": "id",
            "title": "Session ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "Primary key - UUID format"
        },
        {
            "name": "service_id",
            "title": "Service ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "Foreign key to hermes_services.id"
        },
        {
            "name": "user_id",
            "title": "User ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "User who created the session"
        },
        {
            "name": "session_data",
            "title": "Session Data",
            "type": "text",
            "nullable": "yes",
            "comments": "Serialized session state or metadata"
        },
        {
            "name": "status",
            "title": "Status",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "default": "active",
            "comments": "Session status: active, closed, expired"
        },
        {
            "name": "created_at",
            "title": "Created At",
            "type": "timestamp",
            "nullable": "no",
            "comments": "Session creation timestamp"
        },
        {
            "name": "updated_at",
            "title": "Updated At",
            "type": "timestamp",
            "nullable": "yes",
            "comments": "Session last activity timestamp"
        },
        {
            "name": "closed_at",
            "title": "Closed At",
            "type": "timestamp",
            "nullable": "yes",
            "comments": "Session closure timestamp"
        }
    ],
    "indexes": [
        {
            "name": "idx_hermes_sessions_service_id",
            "idxtype": "index",
            "idxfields": ["service_id"]
        },
        {
            "name": "idx_hermes_sessions_user_id",
            "idxtype": "index",
            "idxfields": ["user_id"]
        },
        {
            "name": "idx_hermes_sessions_status",
            "idxtype": "index",
            "idxfields": ["status"]
        },
        {
            "name": "idx_hermes_sessions_created_at",
            "idxtype": "index",
            "idxfields": ["created_at"]
        }
    ],
    "codes": []
}