Public facts
Google's AI features guidance says there is no special markup or file required for AI Overviews or AI Mode; the same crawling, indexing, robots, and visible-content rules apply.
Google's AI Search success guidance emphasizes helpful, satisfying content, strong page experience, and multimodal context that is useful beyond classic blue-link results.
Google's generative AI content guidance allows automation when the content is helpful, original, and not created primarily to manipulate search rankings.
Google's spam policies still apply to scaled, low-value, doorway, or thin content created for search manipulation.