Fix timestamp capping for storage service

ts/test-node/sql/migration_1310_test.ts

@@ -0,0 +1,80 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+
+import { type WritableDB } from '../../sql/Interface';
+import { createDB, updateToVersion, insertData, getTableData } from './helpers';
+
+describe('SQL/updateToSchemaVersion1310', () => {
+  let db: WritableDB;
+
+  afterEach(() => {
+    db.close();
+  });
+
+  beforeEach(() => {
+    db = createDB();
+    updateToVersion(db, 1300);
+  });
+
+  it('leaves absent muteExpiresAt untouched', () => {
+    const convos = [
+      {
+        id: 'convo',
+        expireTimerVersion: 1,
+        json: {},
+      },
+    ];
+    insertData(db, 'conversations', convos);
+    updateToVersion(db, 1310);
+
+    assert.deepStrictEqual(getTableData(db, 'conversations'), convos);
+  });
+
+  it('leaves regular muteExpiresAt untouched', () => {
+    const convos = [
+      {
+        id: 'convo',
+        expireTimerVersion: 1,
+        json: {
+          muteExpiresAt: 123,
+        },
+      },
+      {
+        id: 'convo-2',
+        expireTimerVersion: 1,
+        json: {
+          muteExpiresAt: 8640000000000000 - 1,
+        },
+      },
+    ];
+    insertData(db, 'conversations', convos);
+    updateToVersion(db, 1310);
+
+    assert.deepStrictEqual(getTableData(db, 'conversations'), convos);
+  });
+
+  it('promotes MAX_SAFE_DATE to MAX_SAFE_INTEGER', () => {
+    insertData(db, 'conversations', [
+      {
+        id: 'convo',
+        expireTimerVersion: 1,
+        json: {
+          muteExpiresAt: 8640000000000000,
+        },
+      },
+    ]);
+    updateToVersion(db, 1310);
+
+    assert.deepStrictEqual(getTableData(db, 'conversations'), [
+      {
+        id: 'convo',
+        expireTimerVersion: 1,
+        json: {
+          muteExpiresAt: Number.MAX_SAFE_INTEGER,
+        },
+      },
+    ]);
+  });
+});