v0.3.20: 每日汇报系统 — 每天8点自动收集前一日数据并推送汇总报告

新增:
- src/services/daily-report.service.ts (核心服务: 数据收集/报告生成/格式化/调度器)
- API: GET/PUT daily-report/config, GET daily-report/preview, POST daily-report/test, GET daily-report/last-run
- 前端: 侧边栏"📊 每日汇报"菜单 + SystemConfig.vue 配置面板(时间/内容开关/预览/测试发送)
- main.ts: 每60秒检查调度, 08:00-08:04 窗口内运行

报告内容: 搜索统计/转存统计(成功率)/各网盘容量和活跃状态/用户数

source_clean/src/routes/admin.routes.ts

@@ -796,5 +796,71 @@ router.delete('/admin/push-users/:id', (req: Request, res: Response) => {
   }
 });
 
+
+
+// ═══════════════════════════════════════════════
+//  Daily Report
+// ═══════════════════════════════════════════════
+
+/** GET /api/admin/daily-report/config */
+router.get('/admin/daily-report/config', (_req, res) => {
+  try {
+    const { getDailyReportConfig } = require('../services/daily-report.service');
+    const cfg = getDailyReportConfig();
+    res.json(cfg);
+  } catch (err: any) {
+    res.status(500).json({ error: err.message || 'Failed to get daily report config' });
+  }
+});
+
+/** PUT /api/admin/daily-report/config */
+router.put('/admin/daily-report/config', (req, res) => {
+  try {
+    const { saveDailyReportConfig } = require('../services/daily-report.service');
+    saveDailyReportConfig(req.body);
+    const { getDailyReportConfig } = require('../services/daily-report.service');
+    res.json(getDailyReportConfig());
+  } catch (err: any) {
+    res.status(500).json({ error: err.message || 'Failed to save daily report config' });
+  }
+});
+
+/** GET /api/admin/daily-report/preview */
+router.get('/admin/daily-report/preview', (req, res) => {
+  try {
+    const { previewDailyReport, generateDailyReport } = require('../services/daily-report.service');
+    const date = req.query.date as string || undefined;
+    const content = previewDailyReport(date);
+    const report = generateDailyReport(date);
+    res.json({ content, report });
+  } catch (err: any) {
+    res.status(500).json({ error: err.message || 'Failed to preview daily report' });
+  }
+});
+
+/** POST /api/admin/daily-report/test — send a test report immediately */
+router.post('/admin/daily-report/test', async (_req, res) => {
+  try {
+    const { sendTestDailyReport } = require('../services/daily-report.service');
+    const result = await sendTestDailyReport();
+    res.json(result);
+  } catch (err: any) {
+    res.status(500).json({ error: err.message || 'Failed to send test report' });
+  }
+});
+
+/** GET /api/admin/daily-report/last-run */
+router.get('/admin/daily-report/last-run', (_req, res) => {
+  try {
+    const { getSystemConfig } = require('../admin/system-config.service');
+    const raw = getSystemConfig('daily_report_last_run') || '{}';
+    let data: any = {};
+    try { data = JSON.parse(raw); } catch {}
+    res.json(data);
+  } catch (err: any) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
 export default router;