后台会员页新增增长趋势图表：累计曲线、每日新增堆叠面积图、统计卡片

frontend/app/api/ops/memberships/growth/route.ts

@@ -0,0 +1,19 @@
+import { NextRequest, NextResponse } from "next/server";
+import { applyAuthResponseCookies, buildBackendRequestHeaders } from "@/lib/backend-auth";
+import { buildProxyExceptionResponse } from "@/lib/api-proxy";
+
+const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
+
+export async function GET(req: NextRequest) {
+  if (!API_BASE) return NextResponse.json({ error: "API_BASE not configured" }, { status: 500 });
+  try {
+    const auth = await buildBackendRequestHeaders(req);
+    const url = new URL(`${API_BASE}/api/ops/memberships/growth`);
+    const days = req.nextUrl.searchParams.get("days");
+    if (days) url.searchParams.set("days", days);
+    const res = await fetch(url.toString(), { headers: auth.headers, cache: "no-store" });
+    const raw = await res.text();
+    const response = new NextResponse(raw, { status: res.status, headers: { "Content-Type": "application/json", "Cache-Control": "no-store" } });
+    return applyAuthResponseCookies(response, auth.response);
+  } catch (e) { return buildProxyExceptionResponse(e, { publicMessage: "Growth fetch failed" }); }
+}

frontend/components/ops/memberships/MembershipsPageClient.tsx

@@ -6,17 +6,28 @@ import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import { opsApi } from "@/lib/ops-api";
 import type { MembershipEntry } from "@/types/ops";
+import {
+  LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip,
+  ResponsiveContainer, Legend, Area, AreaChart,
+} from "recharts";
+
+type GrowthPoint = { date: string; trial: number; paid: number; total: number; cumulative: number };
 
 export function MembershipsPageClient() {
   const [loading, setLoading] = useState(true);
   const [memberships, setMemberships] = useState<MembershipEntry[]>([]);
+  const [growth, setGrowth] = useState<GrowthPoint[]>([]);
   const [filter, setFilter] = useState<"all" | "paid" | "trial">("all");
 
   const load = async () => {
     setLoading(true);
     try {
-      const data = await opsApi.memberships();
+      const [mData, gData] = await Promise.all([
-      setMemberships((data as unknown as { memberships?: MembershipEntry[] }).memberships ?? []);
+        opsApi.memberships(),
+        fetch("/api/ops/memberships/growth?days=90", { cache: "no-store" }).then(r => r.ok ? r.json() : null),
+      ]);
+      setMemberships((mData as unknown as { memberships?: MembershipEntry[] }).memberships ?? []);
+      setGrowth((gData as { daily?: GrowthPoint[] })?.daily ?? []);
     } catch { /* */ }
     setLoading(false);
   };
@@ -49,12 +60,7 @@ export function MembershipsPageClient() {
         </h1>
         <div className="flex gap-2">
           {(["all", "paid", "trial"] as const).map((f) => (
-            <Button
+            <Button key={f} variant={filter === f ? "default" : "outline"} size="sm" onClick={() => setFilter(f)}>
-              key={f}
-              variant={filter === f ? "default" : "outline"}
-              size="sm"
-              onClick={() => setFilter(f)}
-            >
               {f === "all" ? "全部" : f === "paid" ? "付费" : "体验"}
             </Button>
           ))}
@@ -63,6 +69,75 @@ export function MembershipsPageClient() {
           </Button>
         </div>
       </div>
+
+      {/* Growth chart */}
+      {growth.length > 0 && (
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm">会员增长趋势 — 近 {growth.length} 天</CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="grid grid-cols-2 sm:grid-cols-4 gap-3 mb-4">
+              <div className="rounded-xl bg-white/5 p-3 text-center">
+                <div className="text-lg font-bold text-white">
+                  {growth.reduce((s, d) => s + d.total, 0)}
+                </div>
+                <div className="text-[11px] text-slate-500">总新增</div>
+              </div>
+              <div className="rounded-xl bg-white/5 p-3 text-center">
+                <div className="text-lg font-bold text-emerald-400">
+                  {growth[growth.length - 1]?.cumulative ?? 0}
+                </div>
+                <div className="text-[11px] text-slate-500">当前累计</div>
+              </div>
+              <div className="rounded-xl bg-white/5 p-3 text-center">
+                <div className="text-lg font-bold text-cyan-400">
+                  {(growth.reduce((s, d) => s + d.total, 0) / Math.max(1, growth.filter(d => d.total > 0).length)).toFixed(1)}
+                </div>
+                <div className="text-[11px] text-slate-500">日均新增</div>
+              </div>
+              <div className="rounded-xl bg-white/5 p-3 text-center">
+                <div className="text-lg font-bold text-amber-400">
+                  {Math.max(...growth.map(d => d.total), 0)}
+                </div>
+                <div className="text-[11px] text-slate-500">单日最高</div>
+              </div>
+            </div>
+
+            {/* Cumulative area chart */}
+            <div className="mb-6">
+              <h4 className="text-xs text-slate-500 mb-2">累计会员</h4>
+              <ResponsiveContainer width="100%" height={160}>
+                <AreaChart data={growth}>
+                  <CartesianGrid strokeDasharray="3 3" stroke="rgba(255,255,255,0.04)" />
+                  <XAxis dataKey="date" tick={{ fill: "#64748b", fontSize: 10 }} interval="preserveStartEnd" />
+                  <YAxis tick={{ fill: "#64748b", fontSize: 10 }} width={45} />
+                  <Tooltip contentStyle={{ background: "#1e293b", border: "1px solid rgba(255,255,255,0.1)", borderRadius: 8, color: "#e2e8f0", fontSize: 12 }} />
+                  <Area type="monotone" dataKey="cumulative" stroke="#06b6d4" fill="#06b6d420" name="累计" />
+                </AreaChart>
+              </ResponsiveContainer>
+            </div>
+
+            {/* Daily bars */}
+            <div>
+              <h4 className="text-xs text-slate-500 mb-2">每日新增</h4>
+              <ResponsiveContainer width="100%" height={200}>
+                <AreaChart data={growth}>
+                  <CartesianGrid strokeDasharray="3 3" stroke="rgba(255,255,255,0.04)" />
+                  <XAxis dataKey="date" tick={{ fill: "#64748b", fontSize: 10 }} interval="preserveStartEnd" />
+                  <YAxis tick={{ fill: "#64748b", fontSize: 10 }} width={30} />
+                  <Tooltip contentStyle={{ background: "#1e293b", border: "1px solid rgba(255,255,255,0.1)", borderRadius: 8, color: "#e2e8f0", fontSize: 12 }} />
+                  <Legend wrapperStyle={{ fontSize: 12 }} />
+                  <Area type="monotone" dataKey="paid" stackId="1" stroke="#22c55e" fill="#22c55e60" name="付费" />
+                  <Area type="monotone" dataKey="trial" stackId="1" stroke="#f59e0b" fill="#f59e0b60" name="体验" />
+                </AreaChart>
+              </ResponsiveContainer>
+            </div>
+          </CardContent>
+        </Card>
+      )}
+
+      {/* Table */}
       <Card>
         <CardContent className="p-0">
           <div className="overflow-x-auto">
@@ -82,13 +157,9 @@ export function MembershipsPageClient() {
                   <tr key={m.user_id || i} className="border-b border-white/5">
                     <td className="py-2.5 px-4">
                       {m.is_trial ? (
-                        <span className="inline-flex items-center rounded-full bg-amber-500/15 px-2 py-0.5 text-[11px] font-medium text-amber-400">
+                        <span className="inline-flex items-center rounded-full bg-amber-500/15 px-2 py-0.5 text-[11px] font-medium text-amber-400">体验</span>
-                          体验
-                        </span>
                       ) : (
-                        <span className="inline-flex items-center rounded-full bg-emerald-500/15 px-2 py-0.5 text-[11px] font-medium text-emerald-400">
+                        <span className="inline-flex items-center rounded-full bg-emerald-500/15 px-2 py-0.5 text-[11px] font-medium text-emerald-400">付费</span>
-                          付费
-                        </span>
                       )}
                     </td>
                     <td className="py-2.5 px-4 text-white">{m.email ?? "—"}</td>

web/routers/ops.py

@@ -7,6 +7,7 @@ from web.services.ops_api import (
     extend_ops_subscription,
     get_ops_analytics_funnel,
     get_ops_config,
+    get_ops_memberships_growth,
     get_ops_health_check,
     get_ops_logs,
     get_ops_truth_history,
@@ -38,6 +39,11 @@ async def ops_memberships(request: Request, limit: int = 200):
     return list_ops_memberships(request, limit=limit)
 
 
+@router.get("/api/ops/memberships/growth")
+async def ops_memberships_growth(request: Request, days: int = 90):
+    return get_ops_memberships_growth(request, days=days)
+
+
 @router.get("/api/ops/payments/incidents")
 async def ops_payment_incidents(
     request: Request,

web/services/ops_api.py

@@ -106,6 +106,55 @@ def list_ops_memberships(request: Request, limit: int = 200) -> Dict[str, Any]:
     return {"memberships": rows}
 
 
+def get_ops_memberships_growth(request: Request, days: int = 90) -> dict[str, Any]:
+    _require_ops(request)
+    from collections import defaultdict
+    from datetime import datetime, timedelta
+
+    safe_days = max(7, min(365, int(days or 90)))
+    subscriptions = legacy_routes.SUPABASE_ENTITLEMENT.list_active_subscriptions(limit=5000)
+    now = datetime.utcnow()
+    cutoff = now - timedelta(days=safe_days)
+
+    trial_by_day: dict[str, int] = defaultdict(int)
+    paid_by_day: dict[str, int] = defaultdict(int)
+    running = 0
+
+    for item in subscriptions:
+        starts_raw = str(item.get("starts_at") or "").strip()
+        if not starts_raw:
+            continue
+        try:
+            dt = datetime.fromisoformat(starts_raw.replace("Z", "+00:00"))
+            if dt.tzinfo is not None:
+                dt = dt.replace(tzinfo=None)
+        except Exception:
+            continue
+        if dt < cutoff:
+            continue
+        day_key = dt.strftime("%Y-%m-%d")
+        source = str(item.get("source") or "").strip().lower()
+        plan = str(item.get("plan_code") or "").strip().lower()
+        is_trial = source == "signup_trial" or plan.startswith("signup_trial")
+        if is_trial:
+            trial_by_day[day_key] += 1
+        else:
+            paid_by_day[day_key] += 1
+
+    daily = []
+    cursor = cutoff.date()
+    while cursor <= now.date():
+        key = cursor.isoformat()
+        tc = trial_by_day.get(key, 0)
+        pc = paid_by_day.get(key, 0)
+        total = tc + pc
+        running += total
+        daily.append({"date": key, "trial": tc, "paid": pc, "total": total, "cumulative": running})
+        cursor += timedelta(days=1)
+
+    return {"days": safe_days, "daily": daily}
+
+
 def list_ops_payment_incidents(
     request: Request,
     limit: int = 50,