feat: add selectable leverage threshold on ops map (90-300 step 10)

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

web/dist/index.html

@@ -126,6 +126,9 @@
         <label class="date-field">距离到期 ≥
           <select id="minHours" aria-label="距离到期最小小时数"></select>
         </label>
+        <label class="date-field">达标线 ≥
+          <select id="minLeverage" aria-label="杠杆达标线"></select>
+        </label>
       </div>
       <div class="row">
         <div class="tile"><div class="label">范围</div><div class="value" id="opsRange" style="font-size:1.05rem">—</div><div class="hint" id="opsSamples">—</div></div>
@@ -214,7 +217,7 @@
   </div>
   <script>
     const TOKEN_KEY = "mi_token";
-    const state = { page: "dash", range: "day", side: "both", moveMode: "abs", minHours: 12, lastMov: null, authRequired: false, loadedUsername: "admin" };
+    const state = { page: "dash", range: "day", side: "both", moveMode: "abs", minHours: 12, minLeverage: 100, lastMov: null, authRequired: false, loadedUsername: "admin" };
     function getToken() { try { return localStorage.getItem(TOKEN_KEY); } catch { return null; } }
     function setToken(t) { try { if (t) localStorage.setItem(TOKEN_KEY, t); else localStorage.removeItem(TOKEN_KEY); } catch {} }
     function authHeaders() {
@@ -246,6 +249,16 @@
         sel.appendChild(opt);
       }
     })();
+    (function initMinLeverage() {
+      const sel = document.getElementById("minLeverage");
+      for (let v = 90; v <= 300; v += 10) {
+        const opt = document.createElement("option");
+        opt.value = String(v);
+        opt.textContent = String(v);
+        if (v === state.minLeverage) opt.selected = true;
+        sel.appendChild(opt);
+      }
+    })();
 
     function showLogin() {
       document.getElementById("page-login").classList.remove("hidden");
@@ -557,6 +570,10 @@
       state.minHours = Number(document.getElementById("minHours").value) || 12;
       loadOps();
     });
+    document.getElementById("minLeverage").addEventListener("change", () => {
+      state.minLeverage = Number(document.getElementById("minLeverage").value) || 100;
+      loadOps();
+    });
 
     function drawChart(buckets, minLev) {
       const svg = document.getElementById("levChart");
@@ -704,6 +721,7 @@
         bucket_minutes: "60",
         date,
         min_hours: String(state.minHours || 12),
+        min_leverage: String(state.minLeverage || 100),
       });
       try {
         const d = await apiFetch("/api/stats/ops-map?" + q).then(r => {