Fix nav ticker day-change: use SWAP sodUtc0 (Beijing 08:00) from same instrument.

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

lib/instance/templates/embed_shell.html

@@ -149,7 +149,7 @@ const ORDER_ENTRY_MODEL_CODE_TO_CATEGORY = {{ entry_model_code_to_category | toj
 <script src="/static/instance_stats.js?v=5"></script>
 {% include 'embed_boot_scripts.html' %}
 <script src="/static/options_expiry_countdown.js?v=1"></script>
-<script src="/static/nav_spot_tickers.js?v=2"></script>
+<script src="/static/nav_spot_tickers.js?v=3"></script>
 <script src="/static/instance_dashboard.js?v=5"></script>
 <script src="/static/account_ledger.js?v=1"></script>
 <script>

lib/instance/templates/index.html

@@ -1830,7 +1830,7 @@ tickOrderHoldDurations();
 setInterval(refreshPriceSnapshotConditional, {{ price_refresh_seconds * 1000 }});
 </script>
 <script src="/static/options_expiry_countdown.js?v=1"></script>
-<script src="/static/nav_spot_tickers.js?v=2"></script>
+<script src="/static/nav_spot_tickers.js?v=3"></script>
 <script src="/static/instance_dashboard.js?v=5"></script>
 <script src="/static/account_ledger.js?v=1"></script>
 <script>

lib/instance/templates/nav_spot_tickers.html

@@ -1,5 +1,5 @@
 {# 导航右侧 BTC/ETH 现货报价(相对北京 08:00 开盘) #}
-<div class="top-nav-spot-tickers" id="nav-spot-tickers" aria-label="BTC ETH 现货报价" title="相对今日北京时间 08:00 开盘价">
+<div class="top-nav-spot-tickers" id="nav-spot-tickers" aria-label="BTC ETH 报价" title="涨跌相对北京时间 08:00 开盘(OKX sodUtc0)">
     <div class="nav-spot-row" data-base="ETH">
         <span class="nav-spot-ribbon" aria-hidden="true"></span>
         <span class="nav-spot-icon nav-spot-icon--eth" aria-hidden="true">Ξ</span>