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Victor Kuznetsov
008319c6a5
Calibrated on the 117-frame TC260-producer cohort (vendor_cohort_harvest + vendor_mark_calibrate, both committed here): per-mark 2-rung ladder (0.78, 1.27) for the two measured size modes, fitted locate box (the mark sits ~0.025 of the short side off the edge; doubao's box clipped the first glyph), measured template aspect 0.26, gate 0.45 (clean p99 0.301). Strict-only (the sub-gate band is non-Qwen banners), no rival margin (0 cross-fires on 400 doubao / 298 jimeng / 286 clean frames). 83/83 real marks detector-clean after cv2 fill. TextMarkConfig gains a per-mark ladder field; the shipped 3-rung default is unchanged for every other mark.