Captures the 13 design decisions, 4 refinements, and 3 observations
from the 2026-04-25 architectural session. Authoritative for sessions
1-3 of WS-6. Out-of-scope items explicitly listed in §6.
Refs: ARCH-CONSOLIDATION-2026-04.md §6.2, ARCH-FORM-BUILDER.md §31
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>