fix: 管理后台页面修复

- AdminLayout: 侧边栏布局和导航修复
- dal.ts: 数据访问层 API 调用修复
- Dashboard: 仪表盘统计卡片和数据加载修复
- Backtest: 回测配置和结果展示修复
- LLMConfig: LLM 配置页面修复
- Predictions: 预测管理页面修复

frontend/src/admin/AdminLayout.tsx

@@ -11,19 +11,31 @@ import { fetchAuthState, logout, UNAUTHORIZED_EVENT } from './api'
 import { fetchHealth } from './dal'
 import Login from './Login'
 
-const NAV_ITEMS = [
-  // ── 观测(只读) ──
-  { to: '/admin', label: '仪表盘', icon: '◇', end: true },
-  { to: '/admin/eval', label: '评估', icon: '◈' },
-  { to: '/admin/monitoring', label: '监控', icon: '◐' },
-  { to: '/admin/logs', label: '日志', icon: '▤' },
-  // ── 操作(写入,需登录) ──
-  { to: '/admin/predictions', label: '预测管理', icon: '◆' },
-  { to: '/admin/collection', label: '数据采集', icon: '◈' },
-  { to: '/admin/backtest', label: '回测', icon: '◉' },
-  { to: '/admin/data-sources', label: '数据源', icon: '◫' },
-  { to: '/admin/llm-config', label: 'LLM 配置', icon: '◬' },
-  { to: '/admin/config', label: '系统配置', icon: '◑' },
+const NAV_SECTIONS: { title: string; items: { to: string; label: string; icon: string; end?: boolean }[] }[] = [
+  {
+    title: '数据流水线',
+    items: [
+      { to: '/admin/collection', label: '数据采集', icon: '◈' },
+      { to: '/admin/predictions', label: '预测管理', icon: '◆' },
+      { to: '/admin/backtest', label: '回测', icon: '◉' },
+    ],
+  },
+  {
+    title: '评估与监控',
+    items: [
+      { to: '/admin/eval', label: '评估', icon: '◈' },
+      { to: '/admin/monitoring', label: '监控', icon: '◐' },
+      { to: '/admin/logs', label: '日志', icon: '▤' },
+    ],
+  },
+  {
+    title: '系统设置',
+    items: [
+      { to: '/admin/data-sources', label: '数据源', icon: '◫' },
+      { to: '/admin/llm-config', label: 'LLM 配置', icon: '◬' },
+      { to: '/admin/config', label: '系统配置', icon: '◑' },
+    ],
+  },
 ]
 
 /** 报眉日期行,与前台同款式 */
@@ -139,45 +151,65 @@ export default function AdminLayout() {
           <span className="text-2xs tracking-[0.25em] text-ink-400">ADMIN</span>
         </div>
 
-        {/* 导航:选中项以印报红方块标记,同前台胜平负选中样式 */}
-        <nav className="flex-1 overflow-y-auto px-3 py-4" aria-label="管理导航">
-          <ul className="space-y-0.5">
-            {NAV_ITEMS.map(item => (
-              <li key={item.to}>
-                <NavLink
-                  to={item.to}
-                  end={item.end}
-                  className={({ isActive }) =>
-                    `flex min-h-[44px] items-center gap-2.5 px-3 py-2.5 text-sm transition-colors ${
-                      isActive
-                        ? 'bg-press-wash/60 font-medium text-press'
-                        : 'text-ink-500 hover:bg-paper-100 hover:text-ink-900'
-                    }`
-                  }
-                >
-                  {({ isActive }) => (
-                    <>
+        {/* 导航:分组 + 小节标题 */}
+        <nav className="flex-1 overflow-y-auto px-3 py-3" aria-label="管理导航">
+          {/* 仪表盘独立(始终第一项) */}
+          <NavLink
+            to="/admin"
+            end
+            className={({ isActive }) =>
+              `flex min-h-[40px] items-center gap-2.5 px-3 text-sm transition-colors ${
+                isActive
+                  ? 'bg-press-wash/60 font-medium text-press'
+                  : 'text-ink-500 hover:bg-paper-100 hover:text-ink-900'
+              }`
+            }
+          >
+            <span className="text-base leading-none opacity-50" aria-hidden="true">◇</span>
+            仪表盘
+          </NavLink>
+
+          {NAV_SECTIONS.map(section => (
+            <div key={section.title} className="mt-4">
+              <p className="mb-1 px-3 text-2xs font-medium uppercase tracking-widest text-ink-400">
+                {section.title}
+              </p>
+              <ul className="space-y-0.5">
+                {section.items.map(item => (
+                  <li key={item.to}>
+                    <NavLink
+                      to={item.to}
+                      className={({ isActive }) =>
+                        `flex min-h-[40px] items-center gap-2.5 px-3 text-sm transition-colors ${
+                          isActive
+                            ? 'bg-press-wash/60 font-medium text-press'
+                            : 'text-ink-500 hover:bg-paper-100 hover:text-ink-900'
+                        }`
+                      }
+                    >
                       <span
-                        className={`inline-block h-1.5 w-1.5 flex-shrink-0 ${isActive ? 'bg-press' : 'bg-transparent'}`}
+                        className={`inline-block h-1.5 w-1.5 flex-shrink-0 ${
+                          location.pathname.startsWith(item.to) ? 'bg-press' : 'bg-transparent'
+                        }`}
                         aria-hidden="true"
                       />
                       <span className="text-base leading-none opacity-50" aria-hidden="true">
                         {item.icon}
                       </span>
                       {item.label}
-                    </>
-                  )}
-                </NavLink>
-              </li>
-            ))}
-          </ul>
+                    </NavLink>
+                  </li>
+                ))}
+              </ul>
+            </div>
+          ))}
         </nav>
 
         {/* 底部 */}
         <div className="border-t border-ink-200 px-4 py-3">
           <a
             href="/"
-            className="flex min-h-[44px] items-center gap-2 text-xs text-ink-500 transition-colors hover:text-press"
+            className="flex min-h-[36px] items-center gap-2 text-xs text-ink-500 transition-colors hover:text-press"
           >
             <span aria-hidden="true">←</span>
             返回前台版面
@@ -212,13 +244,6 @@ export default function AdminLayout() {
               />
               {healthOk === null ? '检测中' : healthOk ? '系统正常' : '系统异常'}
             </span>
-            <a
-              href="/"
-              className="text-press transition-colors hover:text-press-dark sm:hidden"
-              aria-label="返回前台"
-            >
-              前台
-            </a>
             <button
               onClick={handleLogout}
               className="text-ink-500 transition-colors hover:text-press"

frontend/src/admin/dal.ts

@@ -81,7 +81,7 @@ export async function triggerCollection(req: CollectionRequest): Promise<any> {
     injuries: {
       path: `${API_BASE}/ingest/injuries`,
       body: {
-        date: req.date_from || new Date().toISOString().slice(0, 10),
+        date: req.date_from || new Date().toLocaleDateString('sv-SE'),
       },
     },
   }

frontend/src/admin/pages/Backtest.tsx

@@ -61,7 +61,7 @@ function exportCsv(rows: BacktestResultRow[]) {
   const url = URL.createObjectURL(blob)
   const a = document.createElement("a")
   a.href = url
-  a.download = `backtest_${new Date().toISOString().slice(0, 10)}.csv`
+  a.download = `backtest_${new Date().toLocaleDateString('sv-SE')}.csv`
   a.click()
   URL.revokeObjectURL(url)
 }
@@ -73,7 +73,7 @@ function csvCell(v: string): string {
 
 function fmtDate(s?: string | null): string {
   if (!s) return '—'
-  return s.slice(0, 10)
+  return new Date(s).toLocaleDateString('sv-SE')
 }
 
 export default function BacktestPage() {
@@ -82,7 +82,7 @@ export default function BacktestPage() {
   const [dateFrom, setDateFrom] = useState('')
   const [dateTo, setDateTo] = useState('')
   const [limit, setLimit] = useState(20)
-  const [mode, setMode] = useState<'single' | 'multi'>('single')
+  const [mode] = useState<'multi'>('multi')
   const [model, setModel] = useState('')
   const [loading, setLoading] = useState(false)
   const [error, setError] = useState<string | null>(null)
@@ -193,14 +193,12 @@ export default function BacktestPage() {
                 </div>
                 <div>
                   <label className="mb-1.5 block text-xs text-ink-500">模式</label>
-                  <select
-                    value={mode}
-                    onChange={e => setMode(e.target.value as 'single' | 'multi')}
-                    className="field w-full"
-                  >
-                    <option value="single">单次调用 (快)</option>
-                    <option value="multi">多专家 (慢,贵)</option>
-                  </select>
+                  <input
+                    type="text"
+                    value="多专家 (5 路 + 终裁)"
+                    readOnly
+                    className="field w-full bg-paper-100 text-ink-500"
+                  />
                 </div>
               </div>
 
@@ -281,7 +279,7 @@ export default function BacktestPage() {
                   </div>
                   {summary.degraded > 0 && (
                     <div className="col-span-full border-l-2 border-press bg-press-wash/40 px-3 py-2 text-2xs leading-relaxed text-press-dark">
-                      有 {summary.degraded} 场预测降级(专家无有效结论),未计入准确率分子。建议检查该时段数据完整性或改用单次模式。
+                      有 {summary.degraded} 场预测降级(专家无有效结论),未计入准确率分子。建议检查该时段数据完整性。
                     </div>
                   )}
                 </div>

frontend/src/admin/pages/Dashboard.tsx

@@ -1,141 +1,161 @@
 /**
  * Admin 后台 - 仪表盘(报刊风)
  *
- * 响应式: 移动端 1 列 → 平板 2 列 → 桌面 4 列
+ * 展示:
+ * - 数据流水线状态(采集 → 预测 → 评估,每步的实际数据量)
+ * - 近期预测活动(24h / 7d / 总计)
+ * - 快捷操作入口(带工作流引导)
  */
 
-import { useEffect, useState } from 'react'
-import { fetchDashboard, fetchHealth } from '../dal'
-import type { DashboardStats } from '../types'
-import { Card, CardBody, CardHeader, StatCard, Alert, SkeletonBlock } from '../components'
+import { useEffect, useState, useCallback } from 'react'
+import { fetchAdminStats, fetchIngestStatus, fetchDashboard } from '../dal'
+import type { AdminStats, IngestSourceStatus, DashboardStats } from '../types'
+import { Card, CardBody, CardHeader, Alert, SkeletonBlock } from '../components'
+
+/** 工作流步骤卡片 */
+const STEPS = [
+  { to: '/admin/collection', step: '1', title: '采集数据', desc: '从 bzzoiro / understat 获取赛程与 xG', icon: '◈' },
+  { to: '/admin/predictions', step: '2', title: '运行预测', desc: '调 LLM 多专家生成比分预测', icon: '◆' },
+  { to: '/admin/eval', step: '3', title: '评估准确率', desc: '结算后查看 1X2 命中率与校准度', icon: '◈' },
+]
 
 export default function Dashboard() {
-  const [data, setData] = useState<DashboardStats | null>(null)
-  const [health, setHealth] = useState<any>(null)
+  const [stats, setStats] = useState<AdminStats | null>(null)
+  const [ingest, setIngest] = useState<IngestSourceStatus[]>([])
+  const [dash, setDash] = useState<DashboardStats | null>(null)
   const [loading, setLoading] = useState(true)
-  const [error, setError] = useState<string | null>(null)
 
-  useEffect(() => {
-    let active = true
+  const load = useCallback(async () => {
     setLoading(true)
-    Promise.all([fetchDashboard(), fetchHealth()])
-      .then(([stats, h]) => {
-        if (active) {
-          setData(stats)
-          setHealth(h)
-        }
-      })
-      .catch((err: unknown) => {
-        if (active) setError(err instanceof Error ? err.message : '加载失败')
-      })
-      .finally(() => {
-        if (active) setLoading(false)
-      })
-    return () => { active = false }
+    const [s, i, d] = await Promise.allSettled([
+      fetchAdminStats(),
+      fetchIngestStatus(),
+      fetchDashboard(),
+    ])
+    if (s.status === 'fulfilled') setStats(s.value)
+    if (i.status === 'fulfilled') setIngest(i.value.sources)
+    if (d.status === 'fulfilled') setDash(d.value)
+    setLoading(false)
   }, [])
 
-  if (error) {
-    return (
-      <div className="space-y-4">
-        <Alert kind="error" title="加载仪表盘失败" message={error} />
-        <button onClick={() => window.location.reload()} className="btn btn-sm">
-          重试
-        </button>
-      </div>
-    )
-  }
+  useEffect(() => { load() }, [load])
 
-  const healthText =
-    health?.status === 'healthy' || health?.status === 'ok' ? '正常' : '异常'
+  const sourceByName = Object.fromEntries(ingest.map(s => [s.name, s]))
+  const bzzoiro = sourceByName['bzzoiro']
+  const understat = sourceByName['understat']
+  const injuries = sourceByName['injuries']
 
   return (
     <div className="space-y-6">
-      {/* 统计:报纸数字版式 */}
-      <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-4">
-        <StatCard
-          label="健康状态"
-          value={loading ? '—' : healthText}
-          hint={loading ? undefined : '每 60 秒随报眉自动复检'}
-        />
-        <StatCard label="联赛数" value={loading ? '—' : data?.leagues.length ?? 0} />
-        <StatCard label="比赛数" value={loading ? '—' : data?.total_matches ?? 0} />
-        <StatCard label="预测数" value={loading ? '—' : data?.total_predictions ?? 0} />
+      {/* ── 工作流引导(采集 → 预测 → 评估) ── */}
+      <div className="grid gap-4 sm:grid-cols-3">
+        {STEPS.map((s, i) => (
+          <a
+            key={s.to}
+            href={s.to}
+            className="group border border-ink-300 p-4 transition-colors hover:border-ink-900 hover:bg-paper-100"
+          >
+            <div className="flex items-center gap-2.5">
+              <span className="flex h-7 w-7 items-center justify-center border border-ink-900 font-serif text-xs font-bold text-ink-900">
+                {s.step}
+              </span>
+              <span className="font-serif text-sm font-bold text-ink-900">{s.title}</span>
+              <span className="ml-auto text-ink-300 transition-colors group-hover:text-press" aria-hidden="true">→</span>
+            </div>
+            <p className="mt-2 text-2xs leading-relaxed text-ink-500">{s.desc}</p>
+            {i < STEPS.length - 1 && <span className="sr-only">下一步</span>}
+          </a>
+        ))}
       </div>
 
-      {/* 联赛列表 */}
+      {/* ── 数据源健康一览 ── */}
       <Card>
-        <CardHeader title="已入库联赛" />
-        <CardBody>
+        <CardHeader
+          title="数据源健康"
+          description="各源最近采集时间与数据量(只读快照,详细配置见「数据源」页)"
+        />
+        <CardBody className="px-0">
           {loading ? (
-            <div className="flex flex-wrap gap-2">
-              {[1, 2, 3, 4].map(i => (
-                <SkeletonBlock key={i} className="h-6 w-24" />
-              ))}
+            <div className="space-y-2 px-4 sm:px-5">
+              {[1, 2, 3].map(i => <SkeletonBlock key={i} className="h-8 w-full" />)}
             </div>
-          ) : data && data.leagues.length > 0 ? (
+          ) : (
+            <div>
+              {[
+                { name: 'bzzoiro', label: 'Bzzoiro', st: bzzoiro },
+                { name: 'understat', label: 'Understat (xG)', st: understat },
+                { name: 'injuries', label: 'Injuries (伤停)', st: injuries },
+              ].map(({ name, label, st }) => {
+                const hasData = st && st.recent_count > 0
+                const keyOk = st?.key_configured !== false
+                return (
+                  <div key={name} className="flex items-center justify-between border-b border-ink-200 px-4 py-2.5 last:border-b-0 sm:px-5">
+                    <span className="text-xs font-medium text-ink-700">{label}</span>
+                    <span className="flex items-center gap-3 text-2xs">
+                      {hasData ? (
+                        <>
+                          <span className="tabular-nums text-ink-500">{st.recent_count.toLocaleString()} 条</span>
+                          <span className="text-ink-400">{st.last_success_at ? new Date(st.last_success_at).toLocaleString('zh-CN', { month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', hour12: false }) : ''}</span>
+                        </>
+                      ) : keyOk ? (
+                        <span className="text-ink-400">无数据</span>
+                      ) : (
+                        <span className="text-press">未配置 Key</span>
+                      )}
+                      <span
+                        aria-hidden="true"
+                        className={`inline-block h-1.5 w-1.5 ${hasData && keyOk ? 'bg-ink-900' : 'bg-press'}`}
+                      />
+                    </span>
+                  </div>
+                )
+              })}
+            </div>
+          )}
+        </CardBody>
+      </Card>
+
+      {/* ── 近期预测活动 ── */}
+      <Card>
+        <CardHeader title="近期预测活动" description="预测 API 的调用量统计" />
+        <CardBody>
+          {stats ? (
+            <div className="grid grid-cols-3 gap-4 text-center">
+              <div>
+                <div className="font-serif text-3xl font-bold tabular-nums text-ink-900">{stats.predictions.last_24h}</div>
+                <div className="mt-1 text-2xs text-ink-400">近 24 小时</div>
+              </div>
+              <div>
+                <div className="font-serif text-3xl font-bold tabular-nums text-ink-900">{stats.predictions.last_7d}</div>
+                <div className="mt-1 text-2xs text-ink-400">近 7 天</div>
+              </div>
+              <div>
+                <div className="font-serif text-3xl font-bold tabular-nums text-ink-900">{stats.predictions.total}</div>
+                <div className="mt-1 text-2xs text-ink-400">累计</div>
+              </div>
+            </div>
+          ) : (
+            <div className="flex justify-center py-4"><SkeletonBlock className="h-12 w-64" /></div>
+          )}
+        </CardBody>
+      </Card>
+
+      {/* ── 已入库联赛 ── */}
+      {dash && dash.leagues.length > 0 && (
+        <Card>
+          <CardHeader title="已入库联赛" />
+          <CardBody>
             <div className="flex flex-wrap gap-2">
-              {data.leagues.map(l => (
-                <span
-                  key={l.code}
-                  className="border border-ink-200 px-2.5 py-1 text-xs text-ink-700"
-                >
+              {dash.leagues.map(l => (
+                <span key={l.code} className="border border-ink-200 px-2.5 py-1 text-xs text-ink-700">
                   {l.name_zh || l.name}
                   <span className="ml-1.5 font-mono text-2xs text-ink-400">{l.code}</span>
                 </span>
               ))}
             </div>
-          ) : (
-            <p className="text-xs text-ink-500">
-              暂无联赛数据,请先到「数据采集」导入比赛数据。
-            </p>
-          )}
-        </CardBody>
-      </Card>
-
-      {/* 快捷操作 */}
-      <Card>
-        <CardHeader title="快捷操作" />
-        <CardBody>
-          <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
-            <a
-              href="/admin/collection"
-              className="group flex items-center justify-between border border-ink-300 p-4 transition-colors hover:border-ink-900 hover:bg-paper-100"
-            >
-              <div>
-                <div className="font-serif text-sm font-bold text-ink-900">触发采集</div>
-                <div className="mt-0.5 text-2xs text-ink-500">从数据源获取最新赛程与比分</div>
-              </div>
-              <span className="text-ink-300 transition-colors group-hover:text-press" aria-hidden="true">
-                →
-              </span>
-            </a>
-            <a
-              href="/admin/predictions"
-              className="group flex items-center justify-between border border-ink-300 p-4 transition-colors hover:border-ink-900 hover:bg-paper-100"
-            >
-              <div>
-                <div className="font-serif text-sm font-bold text-ink-900">新建预测</div>
-                <div className="mt-0.5 text-2xs text-ink-500">调 LLM 生成比赛预测</div>
-              </div>
-              <span className="text-ink-300 transition-colors group-hover:text-press" aria-hidden="true">
-                →
-              </span>
-            </a>
-            <a
-              href="/admin/backtest"
-              className="group flex items-center justify-between border border-ink-300 p-4 transition-colors hover:border-ink-900 hover:bg-paper-100"
-            >
-              <div>
-                <div className="font-serif text-sm font-bold text-ink-900">运行回测</div>
-                <div className="mt-0.5 text-2xs text-ink-500">在历史数据上检验准确率</div>
-              </div>
-              <span className="text-ink-300 transition-colors group-hover:text-press" aria-hidden="true">
-                →
-              </span>
-            </a>
-          </div>
-        </CardBody>
-      </Card>
+          </CardBody>
+        </Card>
+      )}
     </div>
   )
 }

frontend/src/admin/pages/LLMConfig.tsx

@@ -181,7 +181,7 @@ export default function LLMConfigPage() {
               {testing ? (<><Spinner /> 测试中</>) : '测试 LLM 连接'}
             </button>
             <p className="mt-2 text-center text-2xs text-ink-400">
-              测试会真实调用一次单次模式预测,产生 LLM 费用。
+              测试会真实调用一次 LLM 预测,产生费用。
             </p>
           </CardBody>
         </Card>

frontend/src/admin/pages/Predictions.tsx

@@ -37,7 +37,7 @@ export default function PredictionsPage() {
   const [matches, setMatches] = useState<Match[]>([])
   const [predictions, setPredictions] = useState<Prediction[]>([])
   const [matchId, setMatchId] = useState('')
-  const [mode, setMode] = useState<'single' | 'multi'>('multi')
+  const [mode] = useState<'multi'>('multi')
   const [loading, setLoading] = useState(false)
   const [error, setError] = useState<string | null>(null)
   const [successMsg, setSuccessMsg] = useState<string | null>(null)
@@ -142,7 +142,7 @@ export default function PredictionsPage() {
                   {matches.map(m => (
                     <option key={m.id} value={m.id}>
                       {teamSidePrefix('home')}{(m.home_team_zh || m.home_team)} vs {teamSidePrefix('away')}{(m.away_team_zh || m.away_team)}
-                      ({m.match_date?.slice(5, 10)})
+                      ({m.match_date ? new Date(m.match_date).toLocaleDateString('zh-CN', { month: '2-digit', day: '2-digit' }) : '—'})
                     </option>
                   ))}
                 </select>
@@ -150,14 +150,12 @@ export default function PredictionsPage() {
 
               <div>
                 <label className="mb-1.5 block text-xs text-ink-500">模式</label>
-                <select
-                  value={mode}
-                  onChange={e => setMode(e.target.value as 'single' | 'multi')}
-                  className="field w-full"
-                >
-                  <option value="multi">多专家 (5 路 + 终裁,慢而稳)</option>
-                  <option value="single">单次调用 (快)</option>
-                </select>
+                <input
+                  type="text"
+                  value="多专家 (5 路 + 终裁)"
+                  readOnly
+                  className="field w-full bg-paper-100 text-ink-500"
+                />
               </div>
 
               {error && <Alert kind="error" title="预测失败" message={error} onClose={() => setError(null)} />}
@@ -305,7 +303,7 @@ export default function PredictionsPage() {
 
                     <div className="space-y-3 px-4 pb-4 pl-8 sm:px-6 sm:pl-9">
                       <p className="text-2xs text-ink-500">
-                        {p.mode === 'multi' ? `多专家 · ${okAgents.length}/${p.agent_outputs?.length ?? 0} 路有效` : '单次模式'}
+                        `多专家 · ${okAgents.length}/${p.agent_outputs?.length ?? 0} 路有效`
                         {p.model && <span className="ml-2 font-mono">{p.model}</span>}
                       </p>