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

cloudflare_pages/functions/api/accuracy/monthly.js

@@ -0,0 +1,87 @@
+function json(data, status = 200) {
+  return new Response(JSON.stringify(data), {
+    status,
+    headers: { "content-type": "application/json; charset=UTF-8" },
+  });
+}
+
+function ratio(correct, total) {
+  if (!total) return 0;
+  return Math.round((correct / total) * 10000) / 100;
+}
+
+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 month = (url.searchParams.get("month") || new Date().toISOString().slice(0, 7)).trim();
+
+    const sql = `
+      SELECT
+        SUM(CASE WHEN actual_result IS NOT NULL AND ensemble_prediction IS NOT NULL THEN 1 ELSE 0 END) AS ens_total,
+        SUM(CASE WHEN ensemble_correct = 1 THEN 1 ELSE 0 END) AS ens_correct,
+
+        SUM(CASE WHEN actual_result IS NOT NULL AND dlinear_prediction IS NOT NULL THEN 1 ELSE 0 END) AS dl_total,
+        SUM(CASE WHEN dlinear_correct = 1 THEN 1 ELSE 0 END) AS dl_correct,
+
+        SUM(CASE WHEN actual_result IS NOT NULL AND nbeats_prediction IS NOT NULL THEN 1 ELSE 0 END) AS nb_total,
+        SUM(CASE WHEN nbeats_correct = 1 THEN 1 ELSE 0 END) AS nb_correct,
+
+        SUM(CASE WHEN actual_result IS NOT NULL AND ttm_prediction IS NOT NULL THEN 1 ELSE 0 END) AS ttm_total,
+        SUM(CASE WHEN ttm_correct = 1 THEN 1 ELSE 0 END) AS ttm_correct
+      FROM backup_hourly_model_predictions
+      WHERE date LIKE ?
+    `;
+
+    const row = await db.prepare(sql).bind(`${month}%`).first();
+
+    const ensTotal = Number(row?.ens_total || 0);
+    const ensCorrect = Number(row?.ens_correct || 0);
+
+    const dlTotal = Number(row?.dl_total || 0);
+    const dlCorrect = Number(row?.dl_correct || 0);
+
+    const nbTotal = Number(row?.nb_total || 0);
+    const nbCorrect = Number(row?.nb_correct || 0);
+
+    const ttmTotal = Number(row?.ttm_total || 0);
+    const ttmCorrect = Number(row?.ttm_correct || 0);
+
+    return json({
+      success: true,
+      month,
+      data: {
+        Ensemble: {
+          total: ensTotal,
+          correct: ensCorrect,
+          incorrect: Math.max(0, ensTotal - ensCorrect),
+          accuracy: ratio(ensCorrect, ensTotal),
+        },
+        DLinear: {
+          total: dlTotal,
+          correct: dlCorrect,
+          incorrect: Math.max(0, dlTotal - dlCorrect),
+          accuracy: ratio(dlCorrect, dlTotal),
+        },
+        "N-BEATS": {
+          total: nbTotal,
+          correct: nbCorrect,
+          incorrect: Math.max(0, nbTotal - nbCorrect),
+          accuracy: ratio(nbCorrect, nbTotal),
+        },
+        "TTM-R2": {
+          total: ttmTotal,
+          correct: ttmCorrect,
+          incorrect: Math.max(0, ttmTotal - ttmCorrect),
+          accuracy: ratio(ttmCorrect, ttmTotal),
+        },
+      },
+    });
+  } catch (error) {
+    return json({ success: false, error: String(error) }, 500);
+  }
+}