docs: update CLAUDE.md, audit, and spec for today's changes

- CLAUDE.md: security (last-admin guard, password policy, brute-force,
  token revocation), environment filtering (queries + commands), Docker
  reconciliation, UI shared patterns, V8/V9 migrations
- UI-CONSISTENCY-AUDIT.md: marked RESOLVED
- UI consistency design spec: marked COMPLETED

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/superpowers/specs/2026-04-09-ui-consistency-fix-design.md

@@ -1,3 +1,5 @@
+> **Status: COMPLETED** — All 5 phases executed on 2026-04-09.
+
 # UI Consistency Fix — Design Spec
 
 **Date:** 2026-04-09