How do you build an agent that can look at images and produce charts and files, not just text?
The agent loop assumes an observation is a short string, and images break that assumption in both directions. The signal is a context policy that keeps pixels out of the transcript and a verification step for the files the agent produces.
Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.
The agent loop assumes an observation is a short string, and images break that assumption in both directions. The signal is a context policy that keeps pixels out of the transcript and a verification step for the files the agent produces.
Lead with where the obvious approach breaks, because that is the judgment they are screening for — most candidates jump straight to the happy path and lose the room.
Then walk the failure back through the pipeline in order, naming the one metric the customer's exec sponsor actually cares about before you propose the fix.
