Every major API now offers prompt caching, but most teams still pay full price. Here is how cache breakpoints, TTLs and prefix design actually work. Demo content.
Structured output APIs killed most JSON parsing pain, but schema design still decides quality. Field names, descriptions and enum choices are the new prompt engineering. Demo content.
As agents gain tool access and browse autonomously, injection attacks have shifted from parlor trick to the top item on enterprise risk registers. Demo content.
