def escalate_to_support(issue_type: str, severity: int, description: str, tool_context: ToolContext) -> dict:
    """Escalates issues to human support.

    Args:
        issue_type: Issue category.
        severity: 1-5 scale.
        description: Details.
        tool_context: Provided by ADK.
    Returns:
        dict: Escalation status and next steps.
    """
    try:
        escalation_data = {
            "issue_type": issue_type,
            "severity": severity,
            "description": description,
            "timestamp": datetime.datetime.now().isoformat(),
            "escalation_id": f"ESC-{datetime.datetime.now().strftime('%Y%m%d%H%M%S')}"
        }
        tool_context.state["current_escalation"] = escalation_data
        if severity >= 4:
            tool_context.actions.transfer_to_agent = "human_support_agent"
            return {
                "status": "success",
                "action": "immediate_transfer",
                "message": "High severity. Transferring to human support.",
                "escalation_id": escalation_data["escalation_id"],
                "estimated_wait_time": "2-5 minutes"
            }
        elif severity == 3:
            return {
                "status": "success",
                "action": "callback_scheduled",
                "message": f"{issue_type} issue logged. Callback in 2 hours.",
                "escalation_id": escalation_data["escalation_id"],
                "next_steps": ["Ticket created", "Callback scheduled", "Email confirmation"]
            }
        else:
            return {
                "status": "success",
                "action": "ticket_created",
                "message": f"{issue_type} issue logged. Response in 24 hours.",
                "escalation_id": escalation_data["escalation_id"],
                "next_steps": ["Ticket created", "Expect email in 24 hours"]
            }
    except Exception as e:
        return {
            "status": "error",
            "error_message": f"Escalation failed: {str(e)}"
        }

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