At my last job, we chose Postgres over MongoDB for ACID compliance. 18 months later, a new engineer opened a PR to switch to MongoDB. The team spent 3 months re-evaluating before someone remembered.
Decision Guardian prevents this: - Document decisions in markdown (why you chose X over Y) - GitHub Action comments on PRs when decision-protected code changes - Free, open source, MIT licensed
Takes 2 minutes to set up. Would love feedback.