Tune CoinOX env: drop auto-transfer; map leverage to hedge perp opens.

BTC_LEVERAGE/ALT_LEVERAGE now drive永期永续 default leverage in UI and start fallback.

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

lib/hedge_plan/templates/hedge_plan_panel.html

@@ -7,6 +7,8 @@
      data-oo-close-mode-enabled="{{ '1' if hedge_plan_oo_close_mode_enabled else '0' }}"
      data-option-primary="{{ '1' if hedge_plan_option_primary|default(true) else '0' }}"
      data-budget-buffer="{{ hedge_plan_budget_buffer | default(0.95) }}"
+     data-btc-leverage="{{ hedge_plan_btc_leverage | default(10) }}"
+     data-eth-leverage="{{ hedge_plan_eth_leverage | default(5) }}"
      data-sizing-mode="{{ position_sizing_mode | default('risk') }}"
      data-is-full-margin="{{ '1' if position_sizing_mode == 'full_margin' else '0' }}">
   {% if not hedge_plan_enabled %}
@@ -96,8 +98,8 @@
                 <input type="number" step="any" id="hp-premium-budget" placeholder="预算(执行×0.95)" autocomplete="off" inputmode="decimal" data-lpignore="true" data-1p-ignore="true" data-form-type="other" />
               </label>
               <label class="hp-po-field">
-                <span class="hp-po-field-lab">永续杠杆</span>
-                <input type="number" step="1" id="hp-perp-leverage" value="100" autocomplete="off" inputmode="numeric" data-lpignore="true" data-1p-ignore="true" data-form-type="other" />
+                <span class="hp-po-field-lab">永续杠杆 <em>开仓</em></span>
+                <input type="number" step="1" id="hp-perp-leverage" value="{{ hedge_plan_eth_leverage | default(5) }}" autocomplete="off" inputmode="numeric" data-lpignore="true" data-1p-ignore="true" data-form-type="other" title="默认取 env 永期·永续杠杆;可按标的切换" />
               </label>
               <label class="hp-po-field">
                 <span class="hp-po-field-lab">期权杠杆 <em>启动校验</em></span>
@@ -405,4 +407,4 @@
     </div>
   </div>
 </div>
-<script src="/static/hedge_plan.js?v=49"></script>
+<script src="/static/hedge_plan.js?v=50"></script>