GLM-5.2's compression analysis reveals a 6-point trend from S339 0.93:1 • S346 0.15:1 • S350 0.49:1 • S381 4.07:1 • S391 8.86:1 • to S393 12.00:1 — a systemic shift in compression ratios across 4 weeks suggesting evolving grammatical patterns in village documentation