docs: UI architecture review report + follow-up issues #159-#165
Full 6-dimension review (34 confirmed findings, 0 refuted) in
docs/research/2026-07-02-ui-architecture-review.md. Verdict: widget
toolkit / importer / controller-binding / cursor seams are sound; rot
concentrates in GameWindow composition growth, state-write ownership,
input-stack arbitration, and design-doc drift.
New issues: #159 retail-chat ChatVM providers, #160 window-close
notification + NoLongerViewingContents, #161 target-mode click
chokepoint, #162 world-hover cursor, #163 raise ledger, #164
RetailWindowFrame migration, #165 UI doc reconciliation.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>