FLUX 3 Cinematic Inserts

Build one standalone shot around one motivated physical or atmospheric event: B-roll, a bridge, a material detail, a capability test. Reroute when success requires supplied media (flux-3-keyframes-continuation), exact typography, frame-accurate sync, a multi-step mechanism, close human performance, or finished ad copy; those need conditioning or post, not a text-only generation.

Before writing, settle the contract in one sentence: the visible cause, the physical response, and the payoff. Then pick a proven lane from references/field-guide.md (atmospheric light in a medium, wet reflections, viscous macro, tactile contact and ignition, restrained noir); treat anything it marks experimental or parked as a test, not a promise.

Write the shot in this order: