v21.0_002: Earth-Air Bridge Strengthening

Research Date: 2026-06-04 Source Task: t_v21_2 Cycle: v21.0 Focus: Earth (279/666) <-> Air (963/111) axis — the weakest elemental tension Objective: Raise bridge strength from 0.48 to 0.65+ Result: 0.67 — TARGET ACHIEVED (+0.19 bridge strength increase)