01
Understand before rewrite
The most difficult part wasn’t writing a new chat component. It was understanding an unfamiliar production system quickly enough to make a safe architectural change under a 7-day delivery constraint.
- Tracing the existing integration
- Understanding the communication lifecycle
- Identifying performance bottlenecks
- Separating loading from delivery problems
- Redesigning the integration
- Validating the result
- Deploying the changes