Every engineering team has a version of this story. It’s 2 AM. Redis is down. The on-call engineer opens Slack, searches “Redis ECONNREFUSED”, scrolls through 847 messages, finds a thread from eight months ago, tries to understand what Arjun did that night, realizes the thread is incomplete, opens three runbooks, finds nothing specific, and spends 45 minutes figuring out something the team has already solved twice before. We solved this. Not by writing better runbooks. Not by enforcing better do