Initial CoinOX instance: coin-margined options + USDT hedge.

Forked from crypto_monitor OKX instance (copy-only). Keeps standalone options, perp-options and options-options hedge; drops standalone perp entrypoints; forces coin margin; adds sim wallets; default port 5010.

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

lib/strategy/templates/strategy_roll.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="zh-CN" data-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <script src="/static/instance_theme.js?v=4"></script>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>顺势加仓 · {{ exchange_display }}</title>
+    <link rel="stylesheet" href="/static/instance_theme.css?v=4">
+    <meta name="theme-color" content="#0b0d14">
+</head>
+<body>
+<div class="container" style="max-width:1100px;margin:0 auto;padding:16px">
+    {% with messages = get_flashed_messages() %}{% if messages %}<div class="flash">{{ messages[0] }}</div>{% endif %}{% endwith %}
+    {% include 'strategy_roll_panel.html' %}
+    <p class="rule-tip" style="margin-top:12px"><a href="/strategy/roll/docs" style="color:#8fc8ff">顺势加仓完整逻辑说明</a></p>
+</div>
+<script src="/static/strategy_roll.js?v=6"></script>
+</body>
+</html>