Added detailed console logging to debug why tax rates are not being saved:
- Log request data before sending
- Log API response
- Log success/error callbacks
- Invalidate both tax-settings and tax-suggested queries on success
This will help identify if:
1. API request is being sent correctly
2. API response is successful
3. Query invalidation is working
4. Frontend state is updating
Please test and check browser console for logs.
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