Hoshe H1: the morphology_zone AlluvialPlain fallback fired silently. Now logs
tracing::debug! when the district grid is empty (expected: params-missing body /
early cascade) and tracing::warn! when a populated grid misses the key (indicates a
pixel->district convention bug) — no more silently-wrong topology.
Hoshe H2: the arrangement_pattern parity tripwire only covered transit_hub with
Commission + Corporate. Added Pioneer/Industrial/Military/Academic rows so an
accidental archetype-conditionalization of the cross-archetype override is caught.
Tyre (non-blocking): clarified the build_skeleton_work_item doc — the
arrangement_pattern re-derivation call lives in generate_quarter_skeleton (the
consumer), not in this function.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
jpmschweitzerandClaude Opus 4.8
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