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EXTENDED by graph walk: +1 segment(s) at base, +4 at top (stop: base=no_descending_continuation, top=no_ascending_continuation; min_avg=2.0%). Review before adopting. DEDUPE: absorbed 4 overlapping proposal(s): discovered-lane-52-0829-3-3655, discovered-lane-52-0835-3-3361, discovered-lane-52-0862-3-3713, discovered-lane-52-0967-3-4301 ADOPTED (notable slice 2026-08-11): big-gain. AUTO-NAMED from gazetteer (hypothesis, unreviewed): was 'Discovered lane (52.0976, -3.3886)'." }, "confidence": "B" }