1 Commits (f8bb136d9783f65b6155280f8240ceba814890f7)

Author	SHA1	Message	Date
Council	829564b019	docs: add SPEC_DESIGN_DECISION - architecture decision log for Issue #9 ... Records the core finding from P0-2 discussion: - ShopXO SPEC system: multi-dimension cross-product generates SKUs - Original design: each seat = SPEC, stock=1, ShopXO native oversell prevention - Current implementation: zone-level spec_base_id, bypasses ShopXO validation - Two architecture options documented, decision pending	2026-04-15 18:51:51 +08:00