How to dogfood and verify a Gini behavior change by driving a real chat turn as a real user would. Use when verifying that the agent reaches for a tool or path on its own — a behavioral steer, a new tool, an INSTRUCTIONS.md change, or a dispatch/provider/memory/skill change — or before claiming a steer "works". Enforces bare, uncoached prompts so the test measures the default, not instruction-following.