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-recall-benchmark.test.mjs

@@ -0,0 +1,29 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import {
+  RECALL_BENCHMARK_CASES,
+  probeEmbeddingModule,
+  runRecallBenchmark,
+  summarizeRecallBenchmark,
+} from './memory-v2-recall-benchmark.mjs';
+
+test('probeEmbeddingModule reports local hash embedding dimensions', async () => {
+  const probe = await probeEmbeddingModule({
+    moduleSpecifier: './scripts/embed-memory-v2-local-hash.mjs',
+    importModule: (specifier) => import(specifier),
+  });
+  assert.equal(probe.configured, true);
+  assert.equal(probe.dimensions, 3);
+});
+
+test('runRecallBenchmark hits hybrid recall cases with local hash embedding', async () => {
+  const { embedQuery } = await import('./scripts/embed-memory-v2-local-hash.mjs');
+  const report = await runRecallBenchmark({
+    cases: RECALL_BENCHMARK_CASES,
+    embedQuery,
+    limit: 5,
+  });
+  const summary = summarizeRecallBenchmark(report);
+  assert.equal(report.caseCount, RECALL_BENCHMARK_CASES.length);
+  assert.ok(summary.recallAt5 >= 0.75, `expected recall@5 >= 0.75, got ${summary.recallAt5}`);
+});