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>

memory-v2-candidate-repair.test.mjs

@@ -0,0 +1,20 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { evaluateRepairCandidate } from './scripts/repair-memory-v2-candidates.mjs';
+
+test('evaluateRepairCandidate flags agent continuation rows', () => {
+  const verdict = evaluateRepairCandidate({
+    content: '继续修改同一个 public/durability-survey-20260727.html，保留全部现有 Page Data 绑定。',
+    policy_reason: 'decision_signal',
+  });
+  assert.equal(verdict.repair, true);
+  assert.equal(verdict.code, 'non_durable_content');
+});
+
+test('evaluateRepairCandidate keeps explicit remember rows', () => {
+  const verdict = evaluateRepairCandidate({
+    content: '请记住我每周三下午做代码评审。',
+    policy_reason: 'explicit_memory_request',
+  });
+  assert.equal(verdict.repair, false);
+});