Normalize fullwidth punctuation to ASCII across codebase.

Add scripts/normalize_ambiguous_unicode.py; fix corrupted patch_instance_theme_templates.py. Preserves curly quotes in string literals; removes Git homoglyph warnings on .env.example.

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

lib/common/static/options_panel.js

@@ -414,7 +414,7 @@
         body: JSON.stringify(body),
       });
       const msgEl = document.getElementById("opt-order-msg");
-      msgEl.textContent = d.ok ? "下单已提交，可在 OKX 委托中查看" : (d.msg || "失败");
+      msgEl.textContent = d.ok ? "下单已提交,可在 OKX 委托中查看" : (d.msg || "失败");
       msgEl.classList.toggle("opt-error", !d.ok);
       if (d.ok) {
         refreshAllPositions();
@@ -470,10 +470,10 @@
     }
     const bid = q.bid;
     if (bid == null || bid <= 0) {
-      alert("暂无买一价，请稍后在 OKX App 平仓或等盘口恢复");
+      alert("暂无买一价,请稍后在 OKX App 平仓或等盘口恢复");
       return;
     }
-    if (!confirm("限价卖出 @ 买一 " + fmt(bid, 4) + "（每 1 ETH/BTC）？\n合约：" + inst)) return;
+    if (!confirm("限价卖出 @ 买一 " + fmt(bid, 4) + "(每 1 ETH/BTC)?\n合约:" + inst)) return;
     if (btn) btn.disabled = true;
     try {
       const r = await apiJson("/api/options/close", {
@@ -549,8 +549,8 @@
 
   async function deleteHistoryRow(id, status) {
     const warn = status === "open"
-      ? "该记录仍为持仓中，仅删除本地记录，不影响交易所持仓。确认删除？"
-      : "确认删除该条期权历史记录？";
+      ? "该记录仍为持仓中,仅删除本地记录,不影响交易所持仓.确认删除?"
+      : "确认删除该条期权历史记录?";
     if (!confirm(warn)) return;
     const r = await apiJson("/api/options/history/" + encodeURIComponent(id), { method: "DELETE" });
     if (!r.ok) {