I Fixed a Flutter Streaming Bug by Comparing Logs (opens in new tab)

In the Flutter chat interface for our tkstock project, a ghost was haunting the UI. The AI's typewriter effect would freeze mid-sentence. New data wasn't appearing, but the backend hadn't stopped sending it. Was it a network blip? A crashed thread? No—it was a silent logic error in how we handled state updates. The Problem: Asynchronous Ambiguity Streaming UI bugs are tricky because of the "asynchronous illusion." When the interface freezes, it's hard to tell immediately if the SSE (Server-Se...