Your wife and children can come and meet you? It looks like we are missing a lot of information. You need to apply for TRV with genuine purpose of visit for TRV, stronger ties to return.
click Apply to come to Canada
on the next page, scroll down to the I do not have a personal reference code section
click on the Visitor visa, study and/or work permit button
Actually it's possible that's why the officer is requesting an explanation. And an officer is not supposed to take anything for granted, the burden of proof is on an applicant . An officer renders a decision based on what an applicant has submitted.
What I mean is that you can apply on or before March 31, 2025. only if your CUAET application was approved before February 4, 2024 and you arrived in Canada on or before March 31, 2024..