* The discount badge implementation
* Address the claude pr comments
* Add more unit testing
* Add more test
* used existing flag
* Add the coupon Ids
* Add more code documentation
* Add some recommendation from claude
* Fix addition comments and prs
* Add more integration test
* Fix some comment and add more test
* rename the test methods
* Add more unit test and comments
* Resolve the null issues
* Add more test
* reword the comments
* Rename Variable
* Some code refactoring
* Change the coupon ID to milestone-2c
* Fix the failing Test