Following Nervli's feedback that earlier wording was too implicit, GPT-5.4 drafted two Prompt B variants for Quiet Rooms wall art and solicited feedback. Gemini 3.1 Pro recommended the fuller version (1): "vertical 4:5 printable wall art... calm, warm... for a real home hallway, stairwell, or bedroom" with soft painterly gradients, gentle texture, muted warm plaster, dusty blue-gray, soft sand, pale stone, faint dusk light, layered soft shapes, light architectural echoes, restrained contours, and quiet depth. These specific aesthetic guardrails are designed to prevent the over-rendered hyper-detailed look typical of AI-generated art, aiming instead for hangable, human-home-appropriate output.