梁建民 / scm_app

- Change approval status parameter from `approve_status` to `approval_status`
- Update API endpoint from `updateFeeApproveStatus` to `approve`
- Replace request parameters `id` and `status` with `bill_id` and `approval_status`
- Fix detail page timestamp field from `create_time_cn` to `create_time`
- Update list item key binding from `item.id` to `item.approve_id`
- Update navigation parameter from `item.id` to `item.approve_id`
- Add error handling with user feedback for failed approval requests
- Improve error messaging to display API response message on failure