m3ultra 670443eea0 Guard pond accessors before attach; caught driving the live game ... pondMass/pondCentroid/drainPondAt/dumpPond threw when this.water didn't exist yet — Lane A's HUD reads pondMass() every frame, including in the forecast/prep phases before the sail is rigged. Node tests always attach first so they never hit it; the live game did on the first frame. Guarded + a pre-attach assert so it can't regress. Verified in the assembled game: a flat quad ponds 780 kg (belly sagging below ground), dumps on break, and the merged browser selftest is 219/0/0. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>		2026-07-17 03:32:02 +10:00
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world	Guard pond accessors before attach; caught driving the live game	2026-07-17 03:32:02 +10:00