HEAD 130697c2eb0e79c6257be20362c27572dd374eab
Native st-031 structural dots peakRGB77/77/80, matching muted74%×separator40% overRGB7/7/10. This is the caption band only; requested-stage punctuation remains accent. The final rendered st-031 pair is byte-identical to the prior independently probed frame.

st-031-compose.png [{'box': [114, 667, 117, 670], 'peak_rgb': [228, 203, 255]}, {'box': [302, 667, 305, 670], 'peak_rgb': [228, 203, 255]}, {'box': [527, 667, 530, 670], 'peak_rgb': [182, 182, 184]}, {'box': [363, 675, 366, 677], 'peak_rgb': [77, 77, 80]}, {'box': [457, 675, 460, 677], 'peak_rgb': [77, 77, 80]}]
st-031-reference.jpg [{'box': [116, 670, 118, 672], 'peak_rgb': [214, 213, 221]}, {'box': [331, 670, 333, 672], 'peak_rgb': [217, 215, 226]}, {'box': [575, 670, 577, 672], 'peak_rgb': [190, 190, 192]}, {'box': [396, 679, 398, 681], 'peak_rgb': [80, 80, 82]}, {'box': [500, 679, 502, 681], 'peak_rgb': [92, 92, 94]}]
