DEV1 · HISTORICAL_QUANTIFIED_HIGH_WATER_208_OF_208 · May 13 2026 · frontend f1f708340b1bedddc774c44c290ca3bd0264757f · backend f70ecc3571edc9fac24387cc8659c82c995227b0 · taxonomy reconstruction confidence B · NO PRODUCTION WRITES · Google Vision OCR → GPT-5.6 Sol compatibility substitution; provider equivalence false