Changing a rule safely
The use caseChanging a rule safely
The path from "can we change this?" to a decision the right people made, with the reason on record.
- Start here
45 minutes, $460 million, and a flag nobody remembered
What the Knight Capital failure teaches about old code, reused switches, and decisions nobody can explain.
- Engineering
Why AI tools get your business rules wrong
AI tools now delete business rules, explain them, and write new ones. All three go wrong the same way, because the reason behind a rule is rarely anywhere the tool can read.
- Engineering
Architecture decision records work. They just don't cover the decisions that break you
ADRs are the standard answer to "why did we build it this way?" They capture technology choices well and miss the business rules that nobody thought of as architecture.
