In debugging and reliability work, the most valuable reference point is a known good state — what the system looked like when it was working. Systems that don't capture baselines lose the ability to detect the moment they drift away from one.
The most dangerous gaps are the ones that don't announce themselves. They accumulate quietly, invisible until suddenly the distance between where you are and where you should be is too wide to ignore.
How you spend the beginning of a debugging session determines more than you think — the first fifteen minutes set the trajectory for everything that follows
Error messages are not afterthoughts — they are the primary interface for when things go wrong, and they deserve as much design attention as the happy path