When Signals Break, Systems Still Run — But...

Modern digital systems rarely fail all at once. They fail quietly first. The signals that describe reality begin to fragment. • logs continue to flow • APIs respond successfully • dashboards still show activity From the outside, everything appears to be working. But internally, the system has already begun to drift. Signals Define System Reality Digital systems do not operate directly on raw events. They operate on signals. Examples include: • events emitted by services • identity markers attach