## ADDED Requirements

### Requirement: IoT Card Batch Series Binding Range Allocation Hint Formatting

The IoT card batch series binding dialog SHALL render its derived ICCID range allocation-count hint using decimal thousands separators.

The displayed count MUST continue to be derived from exact integer arithmetic as `iccid_end - iccid_start + 1`.

#### Scenario: Format batch series binding range count with thousands separators

- **GIVEN** 用户打开“批量设置套餐系列绑定”对话框
- **AND** 用户选择 `selection_type="range"`
- **WHEN** 用户输入一个有效 ICCID 范围，且派生数量为 `1000`
- **THEN** 对话框 MUST 显示 `共分配1,000张卡`
- **AND** 对话框 MUST NOT 显示未分组的 `共分配1000张卡`
- **AND** 当任一端点变化时，格式化后的数量 MUST 立即更新