feat: 添加 cloudflare_pages、mysql_d1_backup_scheduler，更新 start_system、ensemble_models 及配置文件

cloudflare_pages/functions/api/trades/history.js

@@ -0,0 +1,71 @@
+function json(data, status = 200) {
+  return new Response(JSON.stringify(data), {
+    status,
+    headers: { "content-type": "application/json; charset=UTF-8" },
+  });
+}
+
+function toInt(v, d) {
+  const n = Number(v);
+  return Number.isFinite(n) && n > 0 ? Math.floor(n) : d;
+}
+
+export async function onRequestGet(context) {
+  const db = context.env.DB;
+  if (!db) {
+    return json({ success: false, error: "缺少 D1 绑定 DB" }, 500);
+  }
+
+  try {
+    const url = new URL(context.request.url);
+    const page = toInt(url.searchParams.get("page"), 1);
+    const limit = Math.min(100, toInt(url.searchParams.get("limit"), 10));
+    const month = (url.searchParams.get("month") || "").trim();
+    const day = (url.searchParams.get("day") || "").trim();
+    const offset = (page - 1) * limit;
+
+    const where = ["1=1"];
+    const params = [];
+
+    // 时间字段是 YYYY-MM-DD HH:MM:SS 文本，直接前缀过滤可走索引/减少转换成本
+    if (month) {
+      where.push("timestamp LIKE ?");
+      params.push(`${month}%`);
+    }
+    if (day) {
+      where.push("timestamp LIKE ?");
+      params.push(`${day}%`);
+    }
+
+    const whereSql = where.join(" AND ");
+    const dataSql = `
+      SELECT *
+      FROM backup_trades
+      WHERE ${whereSql}
+      ORDER BY timestamp DESC
+      LIMIT ? OFFSET ?
+    `;
+    const countSql = `
+      SELECT COUNT(*) AS cnt
+      FROM backup_trades
+      WHERE ${whereSql}
+    `;
+
+    const dataResult = await db.prepare(dataSql).bind(...params, limit, offset).all();
+    const countResult = await db.prepare(countSql).bind(...params).first();
+
+    const total = Number(countResult?.cnt || 0);
+    const totalPages = total > 0 ? Math.ceil(total / limit) : 1;
+
+    return json({
+      success: true,
+      data: dataResult.results || [],
+      page,
+      limit,
+      total,
+      total_pages: totalPages,
+    });
+  } catch (error) {
+    return json({ success: false, error: String(error) }, 500);
+  }
+}