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/journal_upload_slots.html

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+{# 复盘四周期截图槽位(须加载 journal_upload_slots.js) #}
+{% macro journal_upload_slots() -%}
+<input type="hidden" name="journal_draft_id" id="journal-draft-id" value="">
+<div class="journal-upload-slots" id="journal-upload-slots">
+    {% for tf in ['5m', '15m', '1h', '4h'] %}
+    <div class="journal-upload-row" data-tf="{{ tf }}">
+        <span class="journal-upload-slot-label">{{ tf }}</span>
+        <input
+            type="file"
+            accept="image/*"
+            class="journal-upload-slot-input"
+            data-tf="{{ tf }}"
+        >
+        <input type="hidden" name="uploaded_screenshot_{{ tf }}" class="journal-upload-hidden-file" data-tf="{{ tf }}" value="">
+        <span class="journal-upload-status" data-tf="{{ tf }}" aria-live="polite"></span>
+    </div>
+    {% endfor %}
+</div>
+<p class="sub journal-upload-hint">可只传部分周期;选文件后即时上传,保存后详情页四宫格查看</p>
+{%- endmacro %}