feat(memory-v2): close Phase A with auto-review, product events, and H5 recall UI.

Add candidate auto-review pipeline, shadow audit tooling, admin metrics page,
and user-visible memory recall hints in chat with phase-a readiness checks.

Co-authored-by: Cursor <cursoragent@cursor.com>

ops/src/components/AdminLayout.tsx

@@ -9,6 +9,7 @@ const links = [
   { to: '/admin/policy', label: '策略中心' },
   { to: '/admin/orchestrator', label: '任务编排' },
   { to: '/admin/llm', label: '统一大模型' },
+  { to: '/admin/memory-v2', label: 'Memory V2' },
   { to: '/admin/goal-runs', label: 'Goal Run' },
 ];