Keep the finite #272 exit as a safe subset of the square connector while removing two contour corners per bevel. The simpler canonical path preserves the zero-hole and finite-ray contracts and restores headroom in the large-house Glow gate.
Issue: #272
User-Visible: no
The first cut of checkWallKeys compared the stored key against endpoints
snapped to the lattice and called any mismatch a violation. Both halves were
wrong, and measurement says so: wallIntervals reports the query key for the
disputed edge as 0.887500,0.195833@1.5706, i.e. the form built from the
coordinates as stored, and the two owner configurations that differ in exactly
these keys produce byte-identical wall bodies and multi-wall node maps. The
check would have reddened a plan that renders correctly.
Graded now: a drift inside the tolerant fallback's half-pitch reach is an
observation, a key beyond it or one that does not parse as coordinates is a
violation. The threshold is expressed in grid steps with a 1e-3 slack — with a
relative 1e-6 the four identically drifted records of one plan split between
the two classes on their last bits, so the check repeated the very rounding tie
it exists to expose.
visual-matrix leaves KEY_CONTRACT_DEBT: its keys drift inside the reach and now
read as observations. large-house stays — its labels do not parse, and
wallIntervals shows all 80 solid edges resolving to zero thickness (#260).
Issue: #259
User-Visible: no
#258 lost two thickness records to a rounding tie: wallKey quantises the
midpoint with Math.round, and a wall of odd step length has its midpoint
exactly on the tie, where the exact node 83/240 and the stored 0.345833333
fall on opposite sides. The #254 invariants pass on that file — their edge
tolerance is 0.004 and the drift is 0.00417, so the check sits on its own
boundary.
checkWallKeys compares strings, and against endpoints snapped to the lattice:
keying from the raw endpoints flags the healthy state and passes the broken
one, which is what the first formulation in #258 got wrong. Measured on the
owner's before/after pair: 0 findings before, exactly the two artefact walls
after.
Two shipped fixtures write keys off the contract (#260); recorded as a number,
so the debt can neither grow nor be silently fixed.
Issue: #259
User-Visible: no
Address code review H1 by keeping gate flip direction observable without a second vertical mirror. Add fail-closed golden contracts, smoke coverage, and a mutation guard for the affected opening-symbol geometry.
Issue: #242
User-Visible: yes
Sergey Matyunin