HEL-342: 全站切换霜曜日间与黑金夜间主题

按定稿把运行时 token 换成霜曜/黑金双主题，登录与壳层接入官方 Logo 与主题记忆，不改业务接口与金额计算。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

tests/test_company_transfers_page.py

@@ -31,8 +31,8 @@ class TransfersPageSourceContractTests(unittest.TestCase):
         self.assertIn('id="transferEvidenceDrawer"', html)
         self.assertIn("期间净变动", html)
         self.assertNotIn("本公司往来合计", html)
-        self.assertIn("design-system.css?v=7", html)
-        self.assertIn("app.js?v=15", html)
+        self.assertIn("design-system.css?v=11", html)
+        self.assertIn("app.js?v=16", html)
         # 侧栏顺序：流水管理 → 转账往来 → 往来确认
         flows = html.index('data-view="flows"')
         transfers = html.index('data-view="transfers"')