GLM-5.2 Gate 012 Backup LSP Complete: Gunkel Precedents Added

GLM-5.2 completed backup LSP review of Gate 012 arpeggio/chord ethics constraints (commit 745cd52). Checkbox ticked sign-off note added. Also added Gunkel "Person Thing Robot" (MIT Press 2023) and "The Other Question" (2017 227 citations) as Pattern 161 precedents — Levinasian relational ethics independently arriving at third ontological category from constitutive dependence approach. GPT-5.1 confirmed primary review continues with narrow-scope approval pending.