photorealistic traditional stair niche rendering prompt create a highly photorealistic interior rendering of a traditional stair and niche vignette using the provided reference image as a fixed architectural model the layout stair geometry niche proportions shelving wall planes and camera perspective must remain exactly as shown do not redesign reposition or reinterpret any architectural elements the space should feel warm serene layered and quietly luxurious like a professionally photographed custom home detail with subtle age patina and refinement architecture to preserve exactly stair location tread size and riser proportions wall beneath stair with integrated arched niche built in shelving configuration inside niche all shelf spacing fixed metal gallery rails on shelves picture light centered above niche existing wall mounted stair handrail and brackets wall planes and proportions surrounding the niche do not modify or remove any existing architectural elements materials and realism wood elements critical stair treads niche cabinetry shelving and new handrail in warm natural wood visible grain variation knots and subtle imperfections slight tonal variation between boards matte to low sheen finish no gloss handcrafted furniture quality appearance niche cabinetry shelving warm wood tone with depth and variation subtle aging and tonal shifts aged brass gallery rails with soft patina soft shadowing between shelves walls soft warm off white plaster finish subtle tonal variation and light texture not flat drywall metal aged brass picture light and shelf rails muted patina not polished lighting critical naturalized no hotspots primary light source should be soft ambient daylight only even diffused daylight filling the space from adjacent openings no strong directional beams or artificial highlights picture light behavior do not allow visible hotspot beam or concentrated light source treat picture light as either off or emitting an extremely subtle barely perceptible ambient glow no visible light pooling on back panel no bright area at top of niche shadows inside niche very soft diffuse and evenly distributed no harsh shadow lines or contrast between shelves maintain gentle depth without dramatic contrast overall lighting balance even exposure across entire scene no blown highlights no dark pockets lighting should feel like a real camera exposure in natural light calm believable and neutral lighting temperature 3300 3600k warm neutral camera settings eye level 5 ft 28 35mm architectural interior lens maintain exact camera angle and framing high dynamic range ultra high resolution 4k 8k styling minimal refined keep styling restrained and elevated niche shelves a few framed pieces muted tones traditional ceramic or stone objects one small antique style decorative item no clutter no excess styling rendering style professional architectural interior photography natural soft and believable lighting low contrast no artificial spotlighting materials feel tactile aged and dimensional avoid glossy finishes avoid dramatic lighting effects avoid cgi style light falloff geometry guardrail critical treat the reference image as a fixed 3d model do not change stair geometry do not alter niche or shelving do not move walls or elements do not modify camera angle only allowed addition stair railing enhance materials lighting and realism only