Tighten 期期 parameter UI: compact controls, less copy.

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

lib/common/static/hedge_plan.js

@@ -300,9 +300,7 @@
   function syncOoCloseModeUI() {
     const enabled = !!state.ooCloseModeEnabled;
     const row = $("hp-oo-close-mode-row");
-    const hint = $("hp-oo-close-mode-hint");
     if (row) row.classList.toggle("hidden", !enabled);
-    if (hint) hint.classList.toggle("hidden", !enabled);
     if (!enabled) state.ooCloseMode = "hold_expiry";
     document.querySelectorAll(".hp-oo-close-mode").forEach(function (b) {
       const on = b.getAttribute("data-oo-close") === state.ooCloseMode;
@@ -314,16 +312,23 @@
     const line = $("hp-oo-budget-line");
     if (!line) return;
     const b = resolveOoBudget();
-    const modeLabel = state.ooSheetsMode === "split_budget" ? "均分预算" : "同张数";
-    const parts = [
-      "预算 min(交易×" + fmt(b.buf, 2) + ", 单笔) ≈ " + fmt(b.budget, 2) + " USDC",
-      "模式:" + modeLabel,
-    ];
-    if (b.tradingCap != null) parts.push("交易×缓冲 " + fmt(b.tradingCap, 2));
-    if (b.tradeCap != null) parts.push("单笔上限 " + fmt(b.tradeCap, 2));
+    const sizeLabel = state.ooSheetsMode === "split_budget" ? "均分" : "同张数";
+    const closeLabel = !state.ooCloseModeEnabled
+      ? ""
+      : state.ooCloseMode === "hold_expiry"
+        ? "到期平"
+        : "全平";
+    const parts = ["可用 " + fmt(b.budget, 2) + "U", sizeLabel];
+    if (closeLabel) parts.push(closeLabel);
     if (extra && extra.msg) parts.push(extra.msg);
     else if (b.msg) parts.push(b.msg);
     line.textContent = parts.join(" · ");
+    line.title =
+      "预算=min(交易×" +
+      fmt(b.buf, 2) +
+      ", 单笔)" +
+      (b.tradingCap != null ? " · 交易×缓冲 " + fmt(b.tradingCap, 2) : "") +
+      (b.tradeCap != null ? " · 单笔 " + fmt(b.tradeCap, 2) : "");
     line.classList.toggle("hp-oo-budget-warn", !!(extra && extra.msg) || !b.ok);
   }
 
@@ -975,6 +980,7 @@
         state.ooSheetsMode = b.getAttribute("data-oo-size") || "same_sheets";
         syncOoSizeModeUI();
         autoFillOoSheets();
+        updateOoBudgetLine(null);
       });
     });
     document.querySelectorAll(".hp-oo-close-mode").forEach(function (b) {
@@ -983,6 +989,7 @@
         state.ooCloseMode = b.getAttribute("data-oo-close") || "close_all";
         state._ooCloseModeTouched = true;
         syncOoCloseModeUI();
+        updateOoBudgetLine(null);
       });
     });
     if ($("hp-preview-btn"))