### What problem does this PR solve? 1. Update RetCode to common.constants 2. Decouple the admin and API modules ### Type of change - [x] Refactoring --------- Signed-off-by: Jin Hai <haijin.chn@gmail.com>
### What problem does this PR solve? #10953 ### Type of change - [x] New Feature (non-breaking change which adds functionality)