{
  name: "check_user_registration",
  parameters: {
    phoneE164: string  // E.164 format phone number
  }
}

{
  name: "register_subscriber",
  parameters: {
    phoneE164: string,   // Phone number
    firstName: string,   // First name
    lastName: string,    // Last name
    pin: string          // 4-digit PIN
  }
}

{
  name: "upload_kyc_image",
  parameters: {
    phoneE164: string,  // User phone
    side: "front" | "back"  // ID side
  }
}

{
  name: "upgrade_kyc",
  parameters: {
    phoneE164: string,
    confirm: boolean  // User confirmation
  }
}

{
  name: "check_balance",
  parameters: {
    phoneE164: string,  // User phone
    pin: string         // 4-digit PIN (REQUIRED)
  }
}

{
  name: "get_transactions",
  parameters: {
    phoneE164: string,
    pin: string,
    limit?: number  // Default: 10
  }
}

{
  name: "initiate_transfer",
  parameters: {
    senderPhoneE164: string,     // Sender phone
    recipientCardSerial: string, // Recipient card (e.g., "CARD0005")
    amount: number,              // Amount in SLE
    pin: string                  // Sender's PIN
  }
}

{
  name: "get_account_limits",
  parameters: {
    phoneE164: string
  }
}

{
  name: "change_subscriber_pin",
  parameters: {
    phoneE164: string,
    oldPin: string,  // Current PIN
    newPin: string   // New PIN
  }
}

{
  name: "request_account_statement",
  parameters: {
    phoneE164: string,
    startDate: string,  // YYYY-MM-DD
    endDate: string     // YYYY-MM-DD
  }
}

{
  name: "get_user_cards",
  parameters: {
    phoneE164: string
  }
}

{
  name: "link_card",
  parameters: {
    phoneE164: string,
    cardSerial: string,
    pin: string
  }
}

{
  name: "create_child_card",
  parameters: {
    phoneE164: string,
    parentCardSerial: string,
    childCardSerial: string,
    childName: string,
    dailyLimit: number,
    parentPin: string,
    childPin: string
  }
}

{
  name: "change_child_card_pin",
  parameters: {
    phoneE164: string,
    cardSerial: string,
    parentPin: string,
    newChildPin: string
  }
}

{
  name: "block_card",
  parameters: {
    phoneE164: string,
    cardSerial: string,
    pin: string,
    reason?: string
  }
}

{
  name: "unblock_card",
  parameters: {
    phoneE164: string,
    cardSerial: string,
    pin: string
  }
}

{
  name: "check_agent_balance",
  parameters: {
    phoneE164: string,
    pin: string
  }
}

{
  name: "agent_cash_in",
  parameters: {
    agentPhoneE164: string,
    subscriberPhoneE164: string,
    amount: number,
    pin: string
  }
}

{
  name: "transfer_to_sub_agent",
  parameters: {
    fromAgentPhone: string,
    toAgentPhone: string,
    amount: number,
    pin: string
  }
}

{
  name: "change_agent_pin",
  parameters: {
    phoneE164: string,
    oldPin: string,
    newPin: string
  }
}