My AI remembered the wrong thing and broke my build. So I built memory governance.

Six weeks ago I gave my AI assistant a memory. It worked. No more re-explaining the project every session. Bugs got fixed once and stayed fixed. Then it followed a rule from January that I'd overridden in February, and the audio in my video sounded like a robot reading through a tin can. The old rule said "always apply loudnorm to voice audio." The new rule said "never do that — it lifts the noise floor." Both were in memory. Both active. Both ranked the same. The agent grabbed the wrong one and I didn't catch it until I listened to the export. 330 memories, no idea which ones were still valid I build YouTube Shorts with my AI assistant. Daily production — voice generation, image prompting, FFmpeg assembly, captions, upload. Over two months, the memory database grew to 330 entries. Bugs, fixes, decisions, settings, voice profiles, pipeline steps. Some of those entries were battle-tested rules that saved me hours every week. Some were from the first week, when I was still figuring thing