You find an over-restriction because something legitimate breaks and points at the spot, and it breaks earlier the earlier you encode the rule. You do not find an over-permission the same way, because nothing legitimate ever exercises it. Here is the asymmetry, a worked example, and where it stops being true.
Agents accumulate autonomous behaviors over time - ‘always do X before Y’, ‘if you see Z then do W’. These instructions eat context budget, drift across invocations, and can’t be observed or tested. How to recognize when an autonomous behavior is a skill waiting to be extracted, and the layered model that makes the boundary clear.
You write a struct with a Write method. Three months later, you discover it implements io.Writer. You never declared this. How did it happen? Exploring Go’s implicit interfaces and the power of accidental implementation.
Master API communication patterns: REST, GraphQL, WebSocket, gRPC, webhooks, message queues, and more. Complete guide with diagrams, code examples, and decision frameworks for choosing the right pattern.