In part one, I covered the anonymous submission flow. In part two, I covered the public board, voting, and how I kept prioritization deliberately simple. This part is about the piece I am most happy with: closing the loop. The whole reason LoopSignal is called LoopSignal is that feedback is supposed to come back to the user who left it. Someone submits a request, the team works on it, it ships, and the original submitter hears about it. That round trip is the entire product. For most teams, the place that work actually happens is GitHub. So if LoopSignal is going to close the loop, it has to live where the engineering work lives. That meant a real GitHub integration: linking posts to issues, automatically closing posts when issues close, and notifying everyone who cared. Here is how I built it. What "closing the loop" actually requires Before writing any code, I listed what closing the loop really meant.…