1

backend/app/api/debug.py

@@ -0,0 +1,148 @@
+"""Debug API — 系统日志与运行状态"""
+
+import os
+from datetime import datetime, timedelta
+from fastapi import APIRouter, Depends
+from sqlalchemy import text
+
+from app.core.deps import get_current_admin
+from app.db.database import get_db
+from app.config import settings, is_trading_hours
+
+router = APIRouter(prefix="/api/debug", tags=["debug"])
+
+
+@router.get("/errors")
+async def get_errors(
+    limit: int = 50,
+    source: str = None,
+    level: str = None,
+    days: int = 7,
+    _admin: dict = Depends(get_current_admin),
+):
+    """获取错误日志（管理员）"""
+    start = (datetime.now() - timedelta(days=days)).strftime("%Y-%m-%d")
+    async with get_db() as db:
+        conditions = ["created_at >= :start"]
+        params = {"start": start}
+
+        if source:
+            conditions.append("source = :source")
+            params["source"] = source
+        if level:
+            conditions.append("level = :level")
+            params["level"] = level
+
+        where = " AND " + " AND ".join(conditions)
+
+        # 总数
+        count_result = await db.execute(
+            text(f"SELECT COUNT(*) FROM error_logs WHERE {where}"), params
+        )
+        total = count_result.scalar() or 0
+
+        # 查询
+        params["limit"] = limit
+        result = await db.execute(
+            text(
+                f"SELECT id, source, level, message, detail, created_at "
+                f"FROM error_logs WHERE {where} "
+                f"ORDER BY created_at DESC LIMIT :limit"
+            ),
+            params,
+        )
+        rows = result.fetchall()
+        errors = []
+        for row in rows:
+            r = row._mapping
+            errors.append({
+                "id": r["id"],
+                "source": r["source"],
+                "level": r["level"],
+                "message": r["message"],
+                "detail": r["detail"] or "",
+                "created_at": str(r["created_at"]) if r["created_at"] else "",
+            })
+
+        # 可选的 source/level 列表（用于前端过滤）
+        sources_result = await db.execute(
+            text("SELECT DISTINCT source FROM error_logs ORDER BY source")
+        )
+        sources = [r[0] for r in sources_result.fetchall()]
+
+        levels_result = await db.execute(
+            text("SELECT DISTINCT level FROM error_logs ORDER BY level")
+        )
+        levels = [r[0] for r in levels_result.fetchall()]
+
+    return {
+        "total": total,
+        "errors": errors,
+        "sources": sources,
+        "levels": levels,
+    }
+
+
+@router.delete("/errors")
+async def clear_errors(
+    days: int = 30,
+    _admin: dict = Depends(get_current_admin),
+):
+    """清除旧错误日志（管理员）"""
+    cutoff = (datetime.now() - timedelta(days=days)).strftime("%Y-%m-%d")
+    async with get_db() as db:
+        result = await db.execute(
+            text("DELETE FROM error_logs WHERE created_at < :cutoff"),
+            {"cutoff": cutoff},
+        )
+        deleted = result.rowcount
+        await db.commit()
+    return {"status": "ok", "deleted": deleted}
+
+
+@router.get("/system")
+async def system_status(_admin: dict = Depends(get_current_admin)):
+    """系统运行状态摘要（管理员）"""
+    from app.engine.recommender import _scan_running, _scan_lock
+
+    async with get_db() as db:
+        # 各表数据量
+        tables_counts = {}
+        for t in ["recommendations", "sector_heat", "market_temperature",
+                   "recommendation_tracking", "daily_reviews", "stock_diagnoses",
+                   "error_logs", "users"]:
+            result = await db.execute(text(f"SELECT COUNT(*) FROM {t}"))
+            tables_counts[t] = result.scalar() or 0
+
+        # 最近 24h 错误数
+        since = (datetime.now() - timedelta(hours=24)).strftime("%Y-%m-%d %H:%M:%S")
+        result = await db.execute(
+            text("SELECT COUNT(*) FROM error_logs WHERE created_at >= :since"),
+            {"since": since},
+        )
+        recent_errors = result.scalar() or 0
+
+        # 最近错误
+        result = await db.execute(
+            text("SELECT source, message, created_at FROM error_logs ORDER BY created_at DESC LIMIT 5")
+        )
+        last_errors = [
+            {"source": r[0], "message": r[1], "created_at": str(r[2])}
+            for r in result.fetchall()
+        ]
+
+    # 数据库文件大小
+    db_path = settings.database_url.replace("sqlite:///", "")
+    db_size_mb = 0
+    if os.path.exists(db_path):
+        db_size_mb = round(os.path.getsize(db_path) / 1024 / 1024, 2)
+
+    return {
+        "is_trading": is_trading_hours(),
+        "scan_running": _scan_running,
+        "scan_locked": _scan_lock.locked(),
+        "recent_errors": recent_errors,
+        "last_errors": last_errors,
+        "tables_counts": tables_counts,
+        "db_size_mb": db_size_mb,
+    }

backend/app/api/stocks.py

@@ -2,6 +2,7 @@
 
 import json
 import logging
+import traceback
 from datetime import datetime, timedelta
 
 from fastapi import APIRouter
@@ -413,6 +414,8 @@ async def diagnose_stock(ts_code: str):
                         logger.info(f"已保存诊断结果到数据库: {ts_code}")
                 except Exception as e:
                     logger.error(f"保存诊断结果到数据库失败: {e}")
+                    from app.db.error_logger import log_error
+                    await log_error("stocks", f"保存诊断结果到数据库失败: {e}", detail=traceback.format_exc())
 
             yield f"data: {json.dumps({'done': True, 'ts_code': ts_code}, ensure_ascii=False)}\n\n"
 

backend/app/db/database.py

@@ -26,6 +26,10 @@ async def init_db():
         await conn.run_sync(metadata.create_all)
         # 补充新增列（SQLite ALTER TABLE ADD COLUMN，已存在会忽略）
         for col_sql in [
+            "ALTER TABLE recommendations ADD COLUMN supply_demand_score REAL DEFAULT 0",
+            "ALTER TABLE recommendations ADD COLUMN price_action_score REAL DEFAULT 0",
+            "ALTER TABLE recommendations ADD COLUMN supply_demand_score REAL DEFAULT 0",
+            "ALTER TABLE recommendations ADD COLUMN price_action_score REAL DEFAULT 0",
             "ALTER TABLE recommendations ADD COLUMN position_score REAL",
             "ALTER TABLE recommendations ADD COLUMN valuation_score REAL",
             "ALTER TABLE recommendations ADD COLUMN llm_analysis TEXT DEFAULT ''",

backend/app/db/error_logger.py

@@ -0,0 +1,23 @@
+"""错误日志持久化"""
+
+import traceback
+from datetime import datetime
+from app.db.database import get_db
+from app.db import tables
+
+
+async def log_error(source: str, message: str, detail: str = "", level: str = "error"):
+    """将错误写入数据库，失败时静默（不影响主流程）"""
+    try:
+        async with get_db() as db:
+            stmt = tables.error_logs_table.insert().values(
+                source=source,
+                level=level,
+                message=message,
+                detail=detail,
+                created_at=datetime.now(),
+            )
+            await db.execute(stmt)
+            await db.commit()
+    except Exception:
+        pass  # 写日志失败不应影响主业务

backend/app/db/tables.py

@@ -109,3 +109,13 @@ stock_diagnoses_table = Table(
     Column("diagnosis", Text, nullable=False),
     Column("created_at", DateTime, server_default=func.now()),
 )
+
+error_logs_table = Table(
+    "error_logs", metadata,
+    Column("id", Integer, primary_key=True, autoincrement=True),
+    Column("source", Text, nullable=False),      # 模块来源，如 "recommender", "screener"
+    Column("level", Text, default="error"),       # error / warning
+    Column("message", Text, nullable=False),      # 错误消息
+    Column("detail", Text, default=""),           # 完整异常信息（traceback）
+    Column("created_at", DateTime, server_default=func.now()),
+)

backend/app/engine/recommender.py

@@ -7,6 +7,7 @@
 import logging
 import json
 import asyncio
+import traceback
 from datetime import datetime, timedelta
 from app.engine.screener import run_screening
 from app.data.models import Recommendation, MarketTemperature, SectorInfo
@@ -126,6 +127,8 @@ async def _update_tracking():
                 logger.info(f"已更新 {tracked} 条推荐跟踪记录")
     except Exception as e:
         logger.error(f"更新推荐跟踪失败: {e}")
+        from app.db.error_logger import log_error
+        await log_error("recommender", f"更新推荐跟踪失败: {e}", detail=traceback.format_exc())
 
 
 async def get_performance_stats() -> dict:
@@ -247,6 +250,8 @@ async def get_performance_stats() -> dict:
             }
     except Exception as e:
         logger.error(f"获取胜率统计失败: {e}")
+        from app.db.error_logger import log_error
+        await log_error("recommender", f"获取胜率统计失败: {e}", detail=traceback.format_exc())
         return {
             "total_recommendations": 0, "tracked": 0, "winning": 0,
             "win_rate": 0, "avg_return": 0, "hit_target_count": 0,
@@ -456,6 +461,8 @@ async def _save_to_db(result: dict):
             logger.info(f"已保存 {saved_count} 条推荐到数据库（共 {len(result.get('recommendations', []))} 条，过滤掉 <60 分）")
     except Exception as e:
         logger.error(f"保存推荐到数据库失败: {e}")
+        from app.db.error_logger import log_error
+        await log_error("recommender", f"保存推荐到数据库失败: {e}", detail=traceback.format_exc())
 
 
 async def _load_today_from_db() -> dict:
@@ -532,6 +539,8 @@ async def _load_today_from_db() -> dict:
             }
     except Exception as e:
         logger.error(f"从数据库加载推荐失败: {e}")
+        from app.db.error_logger import log_error
+        await log_error("recommender", f"从数据库加载推荐失败: {e}", detail=traceback.format_exc())
         return {"market_temp": None, "hot_sectors": [], "capital_filtered": [], "recommendations": []}
 
 
@@ -577,4 +586,6 @@ async def _load_sectors_from_db() -> list[SectorInfo]:
             return sectors
     except Exception as e:
         logger.error(f"从数据库加载板块数据失败: {e}")
+        from app.db.error_logger import log_error
+        await log_error("recommender", f"从数据库加载板块数据失败: {e}", detail=traceback.format_exc())
         return []

backend/app/engine/scheduler.py

@@ -4,6 +4,7 @@
 """
 
 import logging
+import traceback
 from datetime import datetime
 from apscheduler.schedulers.asyncio import AsyncIOScheduler
 from apscheduler.triggers.cron import CronTrigger
@@ -33,6 +34,8 @@ async def _run_scan(session_name: str):
         })
     except Exception as e:
         logger.error(f"定时扫描失败 ({session_name}): {e}")
+        from app.db.error_logger import log_error
+        await log_error("scheduler", f"定时扫描失败 ({session_name}): {e}", detail=traceback.format_exc())
 
 
 async def _generate_daily_review():
@@ -47,6 +50,8 @@ async def _generate_daily_review():
             logger.warning(f"复盘报告生成失败: {result.get('message')}")
     except Exception as e:
         logger.error(f"复盘报告生成异常: {e}")
+        from app.db.error_logger import log_error
+        await log_error("scheduler", f"复盘报告生成异常: {e}", detail=traceback.format_exc())
 
 
 def setup_scheduler():

backend/app/engine/screener.py

@@ -18,6 +18,7 @@
 """
 
 import logging
+import traceback
 
 import pandas as pd
 
@@ -684,6 +685,8 @@ async def _build_recommendations(
             logger.info(f"LLM 逐股分析完成, 综合评分后保留 {len(recommendations)} 只")
         except Exception as e:
             logger.error(f"LLM 逐股分析失败, 仅使用量化评分: {e}")
+            from app.db.error_logger import log_error
+            await log_error("screener", f"LLM 逐股分析失败, 仅使用量化评分: {e}", detail=traceback.format_exc())
 
     return recommendations
 

backend/app/llm/analysis_agent.py

@@ -8,6 +8,7 @@ import asyncio
 import json
 import logging
 import re
+import traceback
 
 from app.llm.client import chat_completion
 from app.llm.prompts import TREND_BREAKOUT_ANALYSIS_PROMPT
@@ -26,6 +27,8 @@ async def analyze_recommendations(result: dict) -> None:
         await _do_analyze(result, recommendations)
     except Exception as e:
         logger.error(f"AI 分析任务异常: {e}")
+        from app.db.error_logger import log_error
+        await log_error("analysis_agent", f"AI 分析任务异常: {e}", detail=traceback.format_exc())
         for rec in recommendations:
             if not rec.llm_analysis:
                 rec.llm_analysis = "AI 分析暂时不可用"
@@ -233,6 +236,8 @@ async def _save_llm_analysis_to_db(recommendations: list) -> None:
             await db.commit()
     except Exception as e:
         logger.error(f"保存 AI 分析到数据库失败: {e}")
+        from app.db.error_logger import log_error
+        await log_error("analysis_agent", f"保存 AI 分析到数据库失败: {e}", detail=traceback.format_exc())
 
 
 async def _broadcast_llm_ready(recommendations: list) -> None:

backend/app/main.py

@@ -8,7 +8,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from app.config import settings
 from app.db.database import init_db
 from app.engine.scheduler import start_scheduler, stop_scheduler
-from app.api import market, sectors, recommendations, stocks, websocket, chat, auth
+from app.api import market, sectors, recommendations, stocks, websocket, chat, auth, debug
 
 logging.basicConfig(
     level=logging.DEBUG if settings.debug else logging.INFO,
@@ -80,6 +80,7 @@ app.include_router(recommendations.router)
 app.include_router(stocks.router)
 app.include_router(chat.router)
 app.include_router(auth.router)
+app.include_router(debug.router)
 
 # WebSocket
 app.websocket("/ws")(websocket.ws_endpoint)

frontend/.next/app-build-manifest.json

@@ -1,14 +1,14 @@
 {
   "pages": {
-    "/(auth)/recommendations/page": [
+    "/(public)/page": [
       "static/chunks/webpack.js",
       "static/chunks/main-app.js",
-      "static/chunks/app/(auth)/recommendations/page.js"
+      "static/chunks/app/(public)/page.js"
     ],
-    "/(auth)/layout": [
+    "/(public)/layout": [
       "static/chunks/webpack.js",
       "static/chunks/main-app.js",
-      "static/chunks/app/(auth)/layout.js"
+      "static/chunks/app/(public)/layout.js"
     ],
     "/layout": [
       "static/chunks/webpack.js",
@@ -20,6 +20,21 @@
       "static/chunks/webpack.js",
       "static/chunks/main-app.js",
       "static/chunks/app/(auth)/dashboard/page.js"
+    ],
+    "/(auth)/layout": [
+      "static/chunks/webpack.js",
+      "static/chunks/main-app.js",
+      "static/chunks/app/(auth)/layout.js"
+    ],
+    "/(auth)/recommendations/page": [
+      "static/chunks/webpack.js",
+      "static/chunks/main-app.js",
+      "static/chunks/app/(auth)/recommendations/page.js"
+    ],
+    "/(auth)/settings/page": [
+      "static/chunks/webpack.js",
+      "static/chunks/main-app.js",
+      "static/chunks/app/(auth)/settings/page.js"
     ]
   }
 }

frontend/.next/server/app-paths-manifest.json

@@ -1,4 +1,6 @@
 {
+  "/(public)/page": "app/(public)/page.js",
+  "/(auth)/dashboard/page": "app/(auth)/dashboard/page.js",
   "/(auth)/recommendations/page": "app/(auth)/recommendations/page.js",
-  "/(auth)/dashboard/page": "app/(auth)/dashboard/page.js"
+  "/(auth)/settings/page": "app/(auth)/settings/page.js"
 }

frontend/.next/server/server-reference-manifest.json

@@ -1,5 +1,5 @@
 {
   "node": {},
   "edge": {},
-  "encryptionKey": "ENqzQP8wBFubYL1/ouTvw/MyHD/YS9oWsYiV09Obmq8="
+  "encryptionKey": "q9MinLsRBzgOwAUsxhHLGTEgY9kBDWvoZzf7iynqzyI="
 }

frontend/src/app/(auth)/settings/page.tsx

@@ -0,0 +1,493 @@
+"use client";
+
+import { useState, useEffect, useCallback } from "react";
+import { useAuth } from "@/hooks/use-auth";
+import {
+  listUsersAPI,
+  createUserAPI,
+  disableUserAPI,
+  resetPasswordAPI,
+  getDataStatsAPI,
+  dataResetAPI,
+  getErrorLogsAPI,
+  clearErrorLogsAPI,
+  getSystemStatusAPI,
+  type UserItem,
+  type DataStats,
+  type ErrorLog,
+  type SystemStatus,
+} from "@/lib/api";
+
+type Tab = "users" | "data" | "logs";
+
+export default function UsersPage() {
+  const { user: currentUser } = useAuth();
+  const [tab, setTab] = useState<Tab>("users");
+
+  // ── Users state ──
+  const [users, setUsers] = useState<UserItem[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState("");
+  const [showCreate, setShowCreate] = useState(false);
+  const [newUsername, setNewUsername] = useState("");
+  const [newRole, setNewRole] = useState("user");
+  const [createLoading, setCreateLoading] = useState(false);
+  const [createError, setCreateError] = useState("");
+  const [createdResult, setCreatedResult] = useState<{ username: string; password: string } | null>(null);
+  const [resetResult, setResetResult] = useState<{ username: string; password: string } | null>(null);
+  const [copied, setCopied] = useState(false);
+
+  // ── Data reset state ──
+  const [dataStats, setDataStats] = useState<DataStats | null>(null);
+  const [resetMode, setResetMode] = useState<"all" | "recommendations" | "date_range" | "low_score">("low_score");
+  const [beforeDate, setBeforeDate] = useState("");
+  const [resetLoading, setResetLoading] = useState(false);
+  const [resetResultMsg, setResetResultMsg] = useState<string | null>(null);
+  const [confirmReset, setConfirmReset] = useState(false);
+
+  // ── Logs state ──
+  const [logs, setLogs] = useState<ErrorLog[]>([]);
+  const [logsTotal, setLogsTotal] = useState(0);
+  const [logSources, setLogSources] = useState<string[]>([]);
+  const [logLevels, setLogLevels] = useState<string[]>([]);
+  const [logFilterSource, setLogFilterSource] = useState<string>("");
+  const [logFilterLevel, setLogFilterLevel] = useState<string>("");
+  const [logDays, setLogDays] = useState(7);
+  const [logsLoading, setLogsLoading] = useState(false);
+  const [expandedLogId, setExpandedLogId] = useState<number | null>(null);
+  const [systemStatus, setSystemStatus] = useState<SystemStatus | null>(null);
+
+  function copyCredential(username: string, password: string) {
+    const text = `用户名：${username}\n密码：${password}`;
+    navigator.clipboard.writeText(text).then(() => {
+      setCopied(true);
+      setTimeout(() => setCopied(false), 2000);
+    });
+  }
+
+  const fetchUsers = useCallback(async () => {
+    try {
+      const data = await listUsersAPI();
+      setUsers(data);
+    } catch {
+      setError("加载用户列表失败");
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  const fetchStats = useCallback(async () => {
+    try {
+      const stats = await getDataStatsAPI();
+      setDataStats(stats);
+    } catch {
+      // silently fail
+    }
+  }, []);
+
+  const fetchLogs = useCallback(async () => {
+    setLogsLoading(true);
+    try {
+      const result = await getErrorLogsAPI(50, logFilterSource, logFilterLevel, logDays);
+      setLogs(result.errors);
+      setLogsTotal(result.total);
+      setLogSources(result.sources);
+      setLogLevels(result.levels);
+    } catch {
+      // silently fail
+    } finally {
+      setLogsLoading(false);
+    }
+  }, [logFilterSource, logFilterLevel, logDays]);
+
+  const fetchSystemStatus = useCallback(async () => {
+    try {
+      const status = await getSystemStatusAPI();
+      setSystemStatus(status);
+    } catch {
+      // silently fail
+    }
+  }, []);
+
+  useEffect(() => {
+    if (currentUser?.role === "admin") {
+      fetchUsers();
+      fetchStats();
+      fetchSystemStatus();
+    }
+  }, [currentUser, fetchUsers, fetchStats, fetchSystemStatus]);
+
+  useEffect(() => {
+    if (currentUser?.role === "admin" && tab === "logs") {
+      fetchLogs();
+    }
+  }, [currentUser, tab, fetchLogs]);
+
+  if (currentUser?.role !== "admin") {
+    return (
+      <div className="max-w-4xl mx-auto px-4 md:px-8 pt-6">
+        <p className="text-text-muted text-sm">需要管理员权限</p>
+      </div>
+    );
+  }
+
+  async function handleCreate(e: React.FormEvent) {
+    e.preventDefault();
+    setCreateError("");
+    if (!newUsername.trim()) {
+      setCreateError("请输入用户名");
+      return;
+    }
+    setCreateLoading(true);
+    try {
+      const result = await createUserAPI(newUsername.trim(), newRole);
+      setCreatedResult({ username: result.username, password: result.password });
+      setNewUsername("");
+      setNewRole("user");
+      fetchUsers();
+    } catch (err) {
+      setCreateError(err instanceof Error ? err.message : "创建失败");
+    } finally {
+      setCreateLoading(false);
+    }
+  }
+
+  async function handleDisable(userId: number) {
+    try {
+      await disableUserAPI(userId);
+      fetchUsers();
+    } catch (err) {
+      alert(err instanceof Error ? err.message : "操作失败");
+    }
+  }
+
+  async function handleResetPassword(userId: number) {
+    try {
+      const result = await resetPasswordAPI(userId);
+      setResetResult({ username: result.username, password: result.password });
+      fetchUsers();
+    } catch (err) {
+      alert(err instanceof Error ? err.message : "操作失败");
+    }
+  }
+
+  async function handleDataReset() {
+    setConfirmReset(false);
+    setResetLoading(true);
+    setResetResultMsg(null);
+    try {
+      const result = await dataResetAPI(
+        resetMode,
+        resetMode === "date_range" ? beforeDate : undefined,
+        resetMode === "low_score" ? 60 : undefined,
+      );
+      const parts = Object.entries(result.deleted)
+        .filter(([, v]) => v > 0)
+        .map(([k, v]) => `${k}: ${v}条`);
+      setResetResultMsg(parts.length > 0 ? `已删除: ${parts.join(", ")}` : "没有需要删除的数据");
+      fetchStats();
+    } catch (err) {
+      setResetResultMsg(err instanceof Error ? err.message : "重置失败");
+    } finally {
+      setResetLoading(false);
+    }
+  }
+
+  async function handleClearLogs() {
+    try {
+      const result = await clearErrorLogsAPI(30);
+      fetchLogs();
+      fetchSystemStatus();
+      alert(`已清除 ${result.deleted} 条旧日志`);
+    } catch (err) {
+      alert(err instanceof Error ? err.message : "清除失败");
+    }
+  }
+
+  const tabs: { key: Tab; label: string }[] = [
+    { key: "users", label: "用户管理" },
+    { key: "data", label: "数据管理" },
+    { key: "logs", label: "系统日志" },
+  ];
+
+  return (
+    <div className="max-w-4xl mx-auto px-4 md:px-8 pt-6 pb-20 md:pb-10 space-y-6">
+      {/* Header + Tabs */}
+      <div className="animate-fade-in-up">
+        <h1 className="text-xl font-semibold tracking-tight">系统设置</h1>
+        <div className="flex gap-1.5 mt-4 overflow-x-auto pb-1">
+          {tabs.map(({ key, label }) => (
+            <button
+              key={key}
+              onClick={() => setTab(key)}
+              className={`text-sm px-4 py-2 rounded-xl font-medium transition-all ${
+                tab === key
+                  ? "bg-gradient-to-r from-amber-500/25 to-amber-600/20 text-amber-400 border border-amber-500/15"
+                  : "bg-surface-2 text-text-muted hover:text-text-secondary hover:bg-surface-3 border border-transparent"
+              }`}
+            >
+              {label}
+            </button>
+          ))}
+        </div>
+      </div>
+
+      {/* ── Tab: Users ── */}
+      {tab === "users" && (
+        <>
+          <div className="flex items-center justify-between animate-fade-in-up">
+            <button
+              onClick={() => { setShowCreate(true); setCreateError(""); setCreatedResult(null); }}
+              className="px-4 py-2 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all"
+            >
+              + 创建用户
+            </button>
+          </div>
+
+          {error && <p className="text-sm text-amber-400/80 animate-fade-in-up">{error}</p>}
+
+          {loading ? (
+            <div className="space-y-3">
+              {[1, 2, 3].map((i) => (
+                <div key={i} className="glass-card-static p-4 animate-shimmer rounded-xl h-16" />
+              ))}
+            </div>
+          ) : (
+            <div className="space-y-2 animate-fade-in-up delay-75">
+              {users.map((u) => (
+                <div
+                  key={u.id}
+                  className={`glass-card p-4 rounded-xl flex items-center justify-between gap-4 ${
+                    !u.is_active ? "opacity-50" : ""
+                  }`}
+                >
+                  <div className="flex items-center gap-3 min-w-0">
+                    <div className="w-9 h-9 rounded-full bg-surface-3 border border-border-default flex items-center justify-center text-sm font-medium text-text-secondary shrink-0">
+                      {u.username.charAt(0).toUpperCase()}
+                    </div>
+                    <div className="min-w-0">
+                      <div className="flex items-center gap-2">
+                        <span className="text-sm font-medium text-text-primary truncate">{u.username}</span>
+                        <span className={`text-[10px] px-1.5 py-0.5 rounded ${u.role === "admin" ? "bg-amber-500/10 text-amber-400/80" : "bg-surface-3 text-text-muted"}`}>{u.role}</span>
+                        {!u.is_active && <span className="text-[10px] px-1.5 py-0.5 rounded bg-red-500/10 text-red-400/80">已禁用</span>}
+                      </div>
+                      {u.created_at && <p className="text-xs text-text-muted mt-0.5">创建于 {new Date(u.created_at).toLocaleDateString("zh-CN")}</p>}
+                    </div>
+                  </div>
+                  {u.id !== currentUser!.id && (
+                    <div className="flex items-center gap-2 shrink-0">
+                      <button onClick={() => handleResetPassword(u.id)} className="px-3 py-1.5 rounded-lg text-xs text-text-secondary hover:text-text-primary bg-surface-2 hover:bg-surface-4 border border-border-subtle transition-all">重置密码</button>
+                      {u.is_active ? (
+                        <button onClick={() => handleDisable(u.id)} className="px-3 py-1.5 rounded-lg text-xs text-red-400/60 hover:text-red-400 bg-red-500/[0.03] hover:bg-red-500/[0.08] border border-red-500/[0.06] transition-all">禁用</button>
+                      ) : (
+                        <span className="text-xs text-text-muted">已禁用</span>
+                      )}
+                    </div>
+                  )}
+                </div>
+              ))}
+              {users.length === 0 && <div className="glass-card-static p-8 rounded-xl text-center"><p className="text-sm text-text-muted">暂无用户</p></div>}
+            </div>
+          )}
+
+          {/* Create User Dialog */}
+          {showCreate && (
+            <div className="fixed inset-0 z-[60] flex items-center justify-center">
+              <div className="absolute inset-0 bg-black/60 backdrop-blur-sm" onClick={() => setShowCreate(false)} />
+              <div className="relative w-full max-w-sm mx-4 p-6 rounded-2xl bg-bg-card border border-border-default shadow-card">
+                {createdResult ? (
+                  <div className="space-y-4">
+                    <h3 className="text-base font-semibold text-text-primary">用户创建成功</h3>
+                    <div className="p-4 rounded-xl bg-surface-1 border border-border-subtle space-y-2">
+                      <div className="flex justify-between text-sm"><span className="text-text-muted">用户名</span><span className="text-text-primary font-medium">{createdResult.username}</span></div>
+                      <div className="flex justify-between text-sm items-center"><span className="text-text-muted">密码</span><span className="text-amber-400 font-mono text-xs">{createdResult.password}</span></div>
+                    </div>
+                    <p className="text-xs text-amber-400/60">请妥善保管密码，此密码仅显示一次</p>
+                    <div className="flex gap-3">
+                      <button onClick={() => copyCredential(createdResult.username, createdResult.password)} className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all">{copied ? "已复制" : "一键复制"}</button>
+                      <button onClick={() => setShowCreate(false)} className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-surface-3 border border-border-default text-text-secondary hover:text-text-primary hover:bg-surface-4 transition-all">关闭</button>
+                    </div>
+                  </div>
+                ) : (
+                  <>
+                    <h3 className="text-base font-semibold text-text-primary mb-5">创建新用户</h3>
+                    <form onSubmit={handleCreate} className="space-y-3">
+                      <input type="text" placeholder="用户名" value={newUsername} onChange={(e) => setNewUsername(e.target.value)} className="w-full bg-surface-2 border border-border-default rounded-xl px-4 py-2.5 text-sm text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30 placeholder-text-muted/40" />
+                      <select value={newRole} onChange={(e) => setNewRole(e.target.value)} className="w-full bg-surface-2 border border-border-default rounded-xl px-4 py-2.5 text-sm text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30 appearance-none">
+                        <option value="user" className="bg-bg-card text-text-primary">普通用户</option>
+                        <option value="admin" className="bg-bg-card text-text-primary">管理员</option>
+                      </select>
+                      {createError && <p className="text-xs text-amber-400/80">{createError}</p>}
+                      <div className="flex gap-3 pt-2">
+                        <button type="button" onClick={() => setShowCreate(false)} className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-surface-3 border border-border-default text-text-secondary hover:text-text-primary hover:bg-surface-4 transition-all">取消</button>
+                        <button type="submit" disabled={createLoading} className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all disabled:opacity-50">{createLoading ? "创建中..." : "创建"}</button>
+                      </div>
+                    </form>
+                  </>
+                )}
+              </div>
+            </div>
+          )}
+
+          {/* Reset Password Result Dialog */}
+          {resetResult && (
+            <div className="fixed inset-0 z-[60] flex items-center justify-center">
+              <div className="absolute inset-0 bg-black/60 backdrop-blur-sm" onClick={() => setResetResult(null)} />
+              <div className="relative w-full max-w-sm mx-4 p-6 rounded-2xl bg-bg-card border border-border-default shadow-card space-y-4">
+                <h3 className="text-base font-semibold text-text-primary">密码已重置</h3>
+                <div className="p-4 rounded-xl bg-surface-1 border border-border-subtle space-y-2">
+                  <div className="flex justify-between text-sm"><span className="text-text-muted">用户名</span><span className="text-text-primary font-medium">{resetResult.username}</span></div>
+                  <div className="flex justify-between text-sm items-center"><span className="text-text-muted">新密码</span><span className="text-amber-400 font-mono text-xs">{resetResult.password}</span></div>
+                </div>
+                <p className="text-xs text-amber-400/60">请妥善保管新密码，此密码仅显示一次</p>
+                <div className="flex gap-3">
+                  <button onClick={() => copyCredential(resetResult.username, resetResult.password)} className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all">{copied ? "已复制" : "一键复制"}</button>
+                  <button onClick={() => setResetResult(null)} className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-surface-3 border border-border-default text-text-secondary hover:text-text-primary hover:bg-surface-4 transition-all">关闭</button>
+                </div>
+              </div>
+            </div>
+          )}
+        </>
+      )}
+
+      {/* ── Tab: Data ── */}
+      {tab === "data" && dataStats && (
+        <div className="glass-card-static p-4 rounded-xl animate-fade-in-up">
+          <h2 className="text-xs font-semibold text-text-muted uppercase tracking-wider mb-3">数据统计 & 重置</h2>
+          <div className="grid grid-cols-2 sm:grid-cols-3 gap-2 mb-4">
+            <div className="bg-surface-1 rounded-lg px-3 py-2"><div className="text-[10px] text-text-muted/50">推荐记录</div><div className="text-lg font-bold font-mono tabular-nums text-text-primary">{dataStats.recommendations}</div></div>
+            <div className="bg-surface-1 rounded-lg px-3 py-2"><div className="text-[10px] text-text-muted/50">跟踪数据</div><div className="text-lg font-bold font-mono tabular-nums text-text-secondary">{dataStats.tracking}</div></div>
+            <div className="bg-surface-1 rounded-lg px-3 py-2"><div className="text-[10px] text-text-muted/50">低分记录</div><div className="text-lg font-bold font-mono tabular-nums text-amber-400">{dataStats.low_score_count}</div></div>
+            <div className="bg-surface-1 rounded-lg px-3 py-2"><div className="text-[10px] text-text-muted/50">板块热度</div><div className="text-sm font-mono tabular-nums text-text-secondary">{dataStats.sector_heat}</div></div>
+            <div className="bg-surface-1 rounded-lg px-3 py-2"><div className="text-[10px] text-text-muted/50">市场温度</div><div className="text-sm font-mono tabular-nums text-text-secondary">{dataStats.market_temperature}</div></div>
+            <div className="bg-surface-1 rounded-lg px-3 py-2"><div className="text-[10px] text-text-muted/50">日期范围</div><div className="text-[10px] font-mono tabular-nums text-text-muted">{dataStats.earliest_date || "-"} ~ {dataStats.latest_date || "-"}</div></div>
+          </div>
+          <div className="flex gap-1.5 mb-3 overflow-x-auto pb-1">
+            {[
+              { key: "low_score", label: "清理低分 (<60)" },
+              { key: "date_range", label: "按日期清除" },
+              { key: "recommendations", label: "清除推荐" },
+              { key: "all", label: "全部重置" },
+            ].map(({ key, label }) => (
+              <button key={key} onClick={() => { setResetMode(key as typeof resetMode); setConfirmReset(false); setResetResultMsg(null); }} className={`text-xs px-3 py-1.5 rounded-lg whitespace-nowrap transition-all font-medium ${resetMode === key ? "bg-red-500/15 text-red-400 border border-red-500/15" : "bg-surface-2 text-text-muted hover:text-text-secondary border border-transparent"}`}>{label}</button>
+            ))}
+          </div>
+          {resetMode === "date_range" && (
+            <div className="mb-3">
+              <label className="text-xs text-text-muted mb-1 block">删除此日期之前的数据</label>
+              <input type="date" value={beforeDate} onChange={(e) => setBeforeDate(e.target.value)} className="w-full sm:w-auto bg-surface-2 border border-border-default rounded-lg px-3 py-1.5 text-sm text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30" />
+            </div>
+          )}
+          {resetResultMsg && (
+            <div className={`text-xs px-3 py-2 rounded-lg mb-3 ${resetResultMsg.includes("失败") ? "bg-amber-500/10 text-amber-400" : "bg-surface-2 text-text-secondary"}`}>{resetResultMsg}</div>
+          )}
+          {confirmReset ? (
+            <div className="flex items-center gap-3">
+              <p className="text-xs text-red-400 font-medium">
+                {resetMode === "all" ? "确认清除所有数据？此操作不可撤销！" : resetMode === "recommendations" ? "确认清除推荐和跟踪数据？" : resetMode === "date_range" ? `确认清除 ${beforeDate} 之前的数据？` : "确认删除评分<60的推荐？"}
+              </p>
+              <button onClick={handleDataReset} disabled={resetLoading} className="px-3 py-1.5 rounded-lg text-xs font-medium bg-red-500/20 text-red-400 border border-red-500/15 hover:bg-red-500/30 transition-all disabled:opacity-50">{resetLoading ? "执行中..." : "确认执行"}</button>
+              <button onClick={() => setConfirmReset(false)} className="px-3 py-1.5 rounded-lg text-xs font-medium bg-surface-3 text-text-secondary hover:text-text-primary border border-border-default transition-all">取消</button>
+            </div>
+          ) : (
+            <button onClick={() => setConfirmReset(true)} disabled={resetMode === "date_range" && !beforeDate} className="px-3 py-1.5 rounded-lg text-xs font-medium bg-red-500/[0.03] text-red-400/60 hover:text-red-400 hover:bg-red-500/[0.08] border border-red-500/[0.06] transition-all disabled:opacity-30 disabled:pointer-events-none">执行重置</button>
+          )}
+        </div>
+      )}
+
+      {/* ── Tab: Logs ── */}
+      {tab === "logs" && (
+        <div className="space-y-4 animate-fade-in-up">
+          {/* System Status */}
+          {systemStatus && (
+            <div className="glass-card-static p-4 rounded-xl">
+              <h2 className="text-xs font-semibold text-text-muted uppercase tracking-wider mb-3">系统状态</h2>
+              <div className="grid grid-cols-2 sm:grid-cols-4 gap-2">
+                <div className="bg-surface-1 rounded-lg px-3 py-2">
+                  <div className="text-[10px] text-text-muted/50">交易状态</div>
+                  <div className={`text-sm font-medium ${systemStatus.is_trading ? "text-emerald-400" : "text-text-muted"}`}>
+                    {systemStatus.is_trading ? "交易中" : "已收盘"}
+                  </div>
+                </div>
+                <div className="bg-surface-1 rounded-lg px-3 py-2">
+                  <div className="text-[10px] text-text-muted/50">扫描状态</div>
+                  <div className={`text-sm font-medium ${systemStatus.scan_running ? "text-amber-400" : "text-text-secondary"}`}>
+                    {systemStatus.scan_running ? "扫描中" : systemStatus.scan_locked ? "锁定中" : "空闲"}
+                  </div>
+                </div>
+                <div className="bg-surface-1 rounded-lg px-3 py-2">
+                  <div className="text-[10px] text-text-muted/50">24h 错误</div>
+                  <div className={`text-sm font-bold font-mono tabular-nums ${systemStatus.recent_errors > 0 ? "text-red-400" : "text-text-secondary"}`}>{systemStatus.recent_errors}</div>
+                </div>
+                <div className="bg-surface-1 rounded-lg px-3 py-2">
+                  <div className="text-[10px] text-text-muted/50">数据库大小</div>
+                  <div className="text-sm font-mono tabular-nums text-text-secondary">{systemStatus.db_size_mb} MB</div>
+                </div>
+              </div>
+            </div>
+          )}
+
+          {/* Filters */}
+          <div className="flex items-center gap-2 flex-wrap">
+            <select value={logFilterSource} onChange={(e) => setLogFilterSource(e.target.value)} className="bg-surface-2 border border-border-default rounded-lg px-3 py-1.5 text-xs text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30 appearance-none">
+              <option value="">全部来源</option>
+              {logSources.map((s) => <option key={s} value={s}>{s}</option>)}
+            </select>
+            <select value={logFilterLevel} onChange={(e) => setLogFilterLevel(e.target.value)} className="bg-surface-2 border border-border-default rounded-lg px-3 py-1.5 text-xs text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30 appearance-none">
+              <option value="">全部级别</option>
+              {logLevels.map((l) => <option key={l} value={l}>{l}</option>)}
+            </select>
+            <select value={logDays} onChange={(e) => setLogDays(Number(e.target.value))} className="bg-surface-2 border border-border-default rounded-lg px-3 py-1.5 text-xs text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30 appearance-none">
+              <option value={1}>1天</option>
+              <option value={3}>3天</option>
+              <option value={7}>7天</option>
+              <option value={14}>14天</option>
+              <option value={30}>30天</option>
+            </select>
+            <button onClick={() => fetchLogs()} className="px-3 py-1.5 rounded-lg text-xs font-medium bg-surface-2 text-text-secondary hover:text-text-primary hover:bg-surface-4 border border-border-subtle transition-all">
+              刷新
+            </button>
+            <button onClick={handleClearLogs} className="px-3 py-1.5 rounded-lg text-xs font-medium bg-red-500/[0.03] text-red-400/60 hover:text-red-400 hover:bg-red-500/[0.08] border border-red-500/[0.06] transition-all">
+              清除30天前
+            </button>
+            <span className="text-xs text-text-muted ml-auto">{logsTotal} 条记录</span>
+          </div>
+
+          {/* Error list */}
+          {logsLoading ? (
+            <div className="space-y-2">
+              {[1, 2, 3].map((i) => <div key={i} className="glass-card-static p-4 animate-shimmer rounded-xl h-20" />)}
+            </div>
+          ) : logs.length === 0 ? (
+            <div className="glass-card-static p-8 rounded-xl text-center">
+              <p className="text-sm text-text-muted">暂无错误日志</p>
+              <p className="text-xs text-text-muted/50 mt-1">系统运行正常</p>
+            </div>
+          ) : (
+            <div className="space-y-2">
+              {logs.map((log) => (
+                <div key={log.id} className="glass-card-static p-3 rounded-xl">
+                  <button onClick={() => setExpandedLogId(expandedLogId === log.id ? null : log.id)} className="w-full text-left">
+                    <div className="flex items-center gap-2">
+                      <span className={`text-[10px] px-1.5 py-0.5 rounded font-medium ${
+                        log.level === "error" ? "bg-red-500/15 text-red-400" : "bg-amber-500/15 text-amber-400"
+                      }`}>{log.level}</span>
+                      <span className="text-[10px] px-1.5 py-0.5 rounded bg-surface-3 text-text-muted">{log.source}</span>
+                      <span className="text-xs text-text-secondary flex-1 truncate">{log.message}</span>
+                      <span className="text-[10px] text-text-muted/50 font-mono tabular-nums shrink-0">{log.created_at.slice(0, 16)}</span>
+                    </div>
+                  </button>
+                  {expandedLogId === log.id && log.detail && (
+                    <div className="mt-2 p-3 rounded-lg bg-surface-1 border border-border-subtle">
+                      <pre className="text-xs text-text-muted whitespace-pre-wrap break-all font-mono leading-relaxed">{log.detail}</pre>
+                    </div>
+                  )}
+                </div>
+              ))}
+            </div>
+          )}
+        </div>
+      )}
+    </div>
+  );
+}

frontend/src/app/(auth)/users/page.tsx

@@ -1,477 +0,0 @@
-"use client";
-
-import { useState, useEffect, useCallback } from "react";
-import { useAuth } from "@/hooks/use-auth";
-import {
-  listUsersAPI,
-  createUserAPI,
-  disableUserAPI,
-  resetPasswordAPI,
-  getDataStatsAPI,
-  dataResetAPI,
-  type UserItem,
-  type DataStats,
-} from "@/lib/api";
-
-export default function UsersPage() {
-  const { user: currentUser } = useAuth();
-  const [users, setUsers] = useState<UserItem[]>([]);
-  const [loading, setLoading] = useState(true);
-  const [error, setError] = useState("");
-
-  // Create user dialog state
-  const [showCreate, setShowCreate] = useState(false);
-  const [newUsername, setNewUsername] = useState("");
-  const [newRole, setNewRole] = useState("user");
-  const [createLoading, setCreateLoading] = useState(false);
-  const [createError, setCreateError] = useState("");
-  const [createdResult, setCreatedResult] = useState<{ username: string; password: string } | null>(null);
-
-  // Reset password result
-  const [resetResult, setResetResult] = useState<{ username: string; password: string } | null>(null);
-
-  // Copy feedback
-  const [copied, setCopied] = useState(false);
-
-  // Data reset state
-  const [dataStats, setDataStats] = useState<DataStats | null>(null);
-  const [resetMode, setResetMode] = useState<"all" | "recommendations" | "date_range" | "low_score">("low_score");
-  const [beforeDate, setBeforeDate] = useState("");
-  const [resetLoading, setResetLoading] = useState(false);
-  const [resetResultMsg, setResetResultMsg] = useState<string | null>(null);
-  const [confirmReset, setConfirmReset] = useState(false);
-
-  function copyCredential(username: string, password: string) {
-    const text = `用户名：${username}\n密码：${password}`;
-    navigator.clipboard.writeText(text).then(() => {
-      setCopied(true);
-      setTimeout(() => setCopied(false), 2000);
-    });
-  }
-
-  const fetchUsers = useCallback(async () => {
-    try {
-      const data = await listUsersAPI();
-      setUsers(data);
-    } catch {
-      setError("加载用户列表失败");
-    } finally {
-      setLoading(false);
-    }
-  }, []);
-
-  const fetchStats = useCallback(async () => {
-    try {
-      const stats = await getDataStatsAPI();
-      setDataStats(stats);
-    } catch {
-      // silently fail
-    }
-  }, []);
-
-  useEffect(() => {
-    if (currentUser?.role === "admin") {
-      fetchUsers();
-      fetchStats();
-    }
-  }, [currentUser, fetchUsers, fetchStats]);
-
-  // Non-admin: show nothing (AuthGuard + route should prevent this)
-  if (currentUser?.role !== "admin") {
-    return (
-      <div className="max-w-4xl mx-auto px-4 md:px-8 pt-6">
-        <p className="text-text-muted text-sm">需要管理员权限</p>
-      </div>
-    );
-  }
-
-  async function handleCreate(e: React.FormEvent) {
-    e.preventDefault();
-    setCreateError("");
-    if (!newUsername.trim()) {
-      setCreateError("请输入用户名");
-      return;
-    }
-    setCreateLoading(true);
-    try {
-      const result = await createUserAPI(newUsername.trim(), newRole);
-      setCreatedResult({ username: result.username, password: result.password });
-      setNewUsername("");
-      setNewRole("user");
-      fetchUsers();
-    } catch (err) {
-      setCreateError(err instanceof Error ? err.message : "创建失败");
-    } finally {
-      setCreateLoading(false);
-    }
-  }
-
-  async function handleDisable(userId: number) {
-    try {
-      await disableUserAPI(userId);
-      fetchUsers();
-    } catch (err) {
-      alert(err instanceof Error ? err.message : "操作失败");
-    }
-  }
-
-  async function handleResetPassword(userId: number) {
-    try {
-      const result = await resetPasswordAPI(userId);
-      setResetResult({ username: result.username, password: result.password });
-      fetchUsers();
-    } catch (err) {
-      alert(err instanceof Error ? err.message : "操作失败");
-    }
-  }
-
-  async function handleDataReset() {
-    setConfirmReset(false);
-    setResetLoading(true);
-    setResetResultMsg(null);
-    try {
-      const result = await dataResetAPI(
-        resetMode,
-        resetMode === "date_range" ? beforeDate : undefined,
-        resetMode === "low_score" ? 60 : undefined,
-      );
-      const parts = Object.entries(result.deleted)
-        .filter(([, v]) => v > 0)
-        .map(([k, v]) => `${k}: ${v}条`);
-      setResetResultMsg(parts.length > 0 ? `已删除: ${parts.join(", ")}` : "没有需要删除的数据");
-      fetchStats();
-    } catch (err) {
-      setResetResultMsg(err instanceof Error ? err.message : "重置失败");
-    } finally {
-      setResetLoading(false);
-    }
-  }
-
-  return (
-    <div className="max-w-4xl mx-auto px-4 md:px-8 pt-6 pb-20 md:pb-10 space-y-6">
-      {/* Header */}
-      <div className="flex items-center justify-between animate-fade-in-up">
-        <div>
-          <h1 className="text-xl font-semibold tracking-tight">用户管理</h1>
-          <p className="text-sm text-text-muted mt-1">创建和管理系统用户</p>
-        </div>
-        <button
-          onClick={() => { setShowCreate(true); setCreateError(""); setCreatedResult(null); }}
-          className="px-4 py-2 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all"
-        >
-          + 创建用户
-        </button>
-      </div>
-
-      {/* Error */}
-      {error && (
-        <p className="text-sm text-amber-400/80 animate-fade-in-up">{error}</p>
-      )}
-
-      {/* Data Reset Section */}
-      {dataStats && (
-        <div className="glass-card-static p-4 rounded-xl animate-fade-in-up">
-          <h2 className="text-xs font-semibold text-text-muted uppercase tracking-wider mb-3">数据统计 & 重置</h2>
-
-          {/* Stats */}
-          <div className="grid grid-cols-2 sm:grid-cols-3 gap-2 mb-4">
-            <div className="bg-surface-1 rounded-lg px-3 py-2">
-              <div className="text-[10px] text-text-muted/50">推荐记录</div>
-              <div className="text-lg font-bold font-mono tabular-nums text-text-primary">{dataStats.recommendations}</div>
-            </div>
-            <div className="bg-surface-1 rounded-lg px-3 py-2">
-              <div className="text-[10px] text-text-muted/50">跟踪数据</div>
-              <div className="text-lg font-bold font-mono tabular-nums text-text-secondary">{dataStats.tracking}</div>
-            </div>
-            <div className="bg-surface-1 rounded-lg px-3 py-2">
-              <div className="text-[10px] text-text-muted/50">低分记录</div>
-              <div className="text-lg font-bold font-mono tabular-nums text-amber-400">{dataStats.low_score_count}</div>
-            </div>
-            <div className="bg-surface-1 rounded-lg px-3 py-2">
-              <div className="text-[10px] text-text-muted/50">板块热度</div>
-              <div className="text-sm font-mono tabular-nums text-text-secondary">{dataStats.sector_heat}</div>
-            </div>
-            <div className="bg-surface-1 rounded-lg px-3 py-2">
-              <div className="text-[10px] text-text-muted/50">市场温度</div>
-              <div className="text-sm font-mono tabular-nums text-text-secondary">{dataStats.market_temperature}</div>
-            </div>
-            <div className="bg-surface-1 rounded-lg px-3 py-2">
-              <div className="text-[10px] text-text-muted/50">日期范围</div>
-              <div className="text-[10px] font-mono tabular-nums text-text-muted">{dataStats.earliest_date || "-"} ~ {dataStats.latest_date || "-"}</div>
-            </div>
-          </div>
-
-          {/* Reset mode selection */}
-          <div className="flex gap-1.5 mb-3 overflow-x-auto pb-1">
-            {[
-              { key: "low_score", label: "清理低分 (<60)", desc: "删除评分低于60的推荐" },
-              { key: "date_range", label: "按日期清除", desc: "删除指定日期之前的数据" },
-              { key: "recommendations", label: "清除推荐", desc: "删除推荐和跟踪，保留板块温度" },
-              { key: "all", label: "全部重置", desc: "清除所有业务数据" },
-            ].map(({ key, label }) => (
-              <button
-                key={key}
-                onClick={() => { setResetMode(key as typeof resetMode); setConfirmReset(false); setResetResultMsg(null); }}
-                className={`text-xs px-3 py-1.5 rounded-lg whitespace-nowrap transition-all font-medium ${
-                  resetMode === key
-                    ? "bg-red-500/15 text-red-400 border border-red-500/15"
-                    : "bg-surface-2 text-text-muted hover:text-text-secondary border border-transparent"
-                }`}
-              >
-                {label}
-              </button>
-            ))}
-          </div>
-
-          {/* Date range input */}
-          {resetMode === "date_range" && (
-            <div className="mb-3">
-              <label className="text-xs text-text-muted mb-1 block">删除此日期之前的数据</label>
-              <input
-                type="date"
-                value={beforeDate}
-                onChange={(e) => setBeforeDate(e.target.value)}
-                className="w-full sm:w-auto bg-surface-2 border border-border-default rounded-lg px-3 py-1.5 text-sm text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30"
-              />
-            </div>
-          )}
-
-          {/* Reset result */}
-          {resetResultMsg && (
-            <div className={`text-xs px-3 py-2 rounded-lg mb-3 ${
-              resetResultMsg.includes("失败") ? "bg-amber-500/10 text-amber-400" : "bg-surface-2 text-text-secondary"
-            }`}>
-              {resetResultMsg}
-            </div>
-          )}
-
-          {/* Confirm + Execute */}
-          {confirmReset ? (
-            <div className="flex items-center gap-3">
-              <p className="text-xs text-red-400 font-medium">
-                {resetMode === "all" ? "确认清除所有数据？此操作不可撤销！" :
-                 resetMode === "recommendations" ? "确认清除推荐和跟踪数据？" :
-                 resetMode === "date_range" ? `确认清除 ${beforeDate} 之前的数据？` :
-                 "确认删除评分<60的推荐？"}
-              </p>
-              <button
-                onClick={handleDataReset}
-                disabled={resetLoading}
-                className="px-3 py-1.5 rounded-lg text-xs font-medium bg-red-500/20 text-red-400 border border-red-500/15 hover:bg-red-500/30 transition-all disabled:opacity-50"
-              >
-                {resetLoading ? "执行中..." : "确认执行"}
-              </button>
-              <button
-                onClick={() => setConfirmReset(false)}
-                className="px-3 py-1.5 rounded-lg text-xs font-medium bg-surface-3 text-text-secondary hover:text-text-primary border border-border-default transition-all"
-              >
-                取消
-              </button>
-            </div>
-          ) : (
-            <button
-              onClick={() => setConfirmReset(true)}
-              disabled={resetMode === "date_range" && !beforeDate}
-              className="px-3 py-1.5 rounded-lg text-xs font-medium bg-red-500/[0.03] text-red-400/60 hover:text-red-400 hover:bg-red-500/[0.08] border border-red-500/[0.06] transition-all disabled:opacity-30 disabled:pointer-events-none"
-            >
-              执行重置
-            </button>
-          )}
-        </div>
-      )}
-
-      {/* User list */}
-      {loading ? (
-        <div className="space-y-3">
-          {[1, 2, 3].map((i) => (
-            <div key={i} className="glass-card-static p-4 animate-shimmer rounded-xl h-16" />
-          ))}
-        </div>
-      ) : (
-        <div className="space-y-2 animate-fade-in-up delay-75">
-          {users.map((u) => (
-            <div
-              key={u.id}
-              className={`glass-card p-4 rounded-xl flex items-center justify-between gap-4 ${
-                !u.is_active ? "opacity-50" : ""
-              }`}
-            >
-              <div className="flex items-center gap-3 min-w-0">
-                {/* Avatar */}
-                <div className="w-9 h-9 rounded-full bg-surface-3 border border-border-default flex items-center justify-center text-sm font-medium text-text-secondary shrink-0">
-                  {u.username.charAt(0).toUpperCase()}
-                </div>
-                <div className="min-w-0">
-                  <div className="flex items-center gap-2">
-                    <span className="text-sm font-medium text-text-primary truncate">
-                      {u.username}
-                    </span>
-                    <span
-                      className={`text-[10px] px-1.5 py-0.5 rounded ${
-                        u.role === "admin"
-                          ? "bg-amber-500/10 text-amber-400/80"
-                          : "bg-surface-3 text-text-muted"
-                      }`}
-                    >
-                      {u.role}
-                    </span>
-                    {!u.is_active && (
-                      <span className="text-[10px] px-1.5 py-0.5 rounded bg-red-500/10 text-red-400/80">
-                        已禁用
-                      </span>
-                    )}
-                  </div>
-                  {u.created_at && (
-                    <p className="text-xs text-text-muted mt-0.5">
-                      创建于 {new Date(u.created_at).toLocaleDateString("zh-CN")}
-                    </p>
-                  )}
-                </div>
-              </div>
-
-              {/* Actions */}
-              {u.id !== currentUser!.id && (
-                <div className="flex items-center gap-2 shrink-0">
-                  <button
-                    onClick={() => handleResetPassword(u.id)}
-                    className="px-3 py-1.5 rounded-lg text-xs text-text-secondary hover:text-text-primary bg-surface-2 hover:bg-surface-4 border border-border-subtle transition-all"
-                  >
-                    重置密码
-                  </button>
-                  {u.is_active ? (
-                    <button
-                      onClick={() => handleDisable(u.id)}
-                      className="px-3 py-1.5 rounded-lg text-xs text-red-400/60 hover:text-red-400 bg-red-500/[0.03] hover:bg-red-500/[0.08] border border-red-500/[0.06] transition-all"
-                    >
-                      禁用
-                    </button>
-                  ) : (
-                    <span className="text-xs text-text-muted">已禁用</span>
-                  )}
-                </div>
-              )}
-            </div>
-          ))}
-
-          {users.length === 0 && (
-            <div className="glass-card-static p-8 rounded-xl text-center">
-              <p className="text-sm text-text-muted">暂无用户</p>
-            </div>
-          )}
-        </div>
-      )}
-
-      {/* Create User Dialog */}
-      {showCreate && (
-        <div className="fixed inset-0 z-[60] flex items-center justify-center">
-          <div className="absolute inset-0 bg-black/60 backdrop-blur-sm" onClick={() => setShowCreate(false)} />
-          <div className="relative w-full max-w-sm mx-4 p-6 rounded-2xl bg-bg-card border border-border-default shadow-card">
-            {createdResult ? (
-              <div className="space-y-4">
-                <h3 className="text-base font-semibold text-text-primary">用户创建成功</h3>
-                <div className="p-4 rounded-xl bg-surface-1 border border-border-subtle space-y-2">
-                  <div className="flex justify-between text-sm">
-                    <span className="text-text-muted">用户名</span>
-                    <span className="text-text-primary font-medium">{createdResult.username}</span>
-                  </div>
-                  <div className="flex justify-between text-sm items-center">
-                    <span className="text-text-muted">密码</span>
-                    <span className="text-amber-400 font-mono text-xs">{createdResult.password}</span>
-                  </div>
-                </div>
-                <p className="text-xs text-amber-400/60">请妥善保管密码，此密码仅显示一次</p>
-                <div className="flex gap-3">
-                  <button
-                    onClick={() => copyCredential(createdResult.username, createdResult.password)}
-                    className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all"
-                  >
-                    {copied ? "已复制" : "一键复制"}
-                  </button>
-                  <button
-                    onClick={() => setShowCreate(false)}
-                    className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-surface-3 border border-border-default text-text-secondary hover:text-text-primary hover:bg-surface-4 transition-all"
-                  >
-                    关闭
-                  </button>
-                </div>
-              </div>
-            ) : (
-              <>
-                <h3 className="text-base font-semibold text-text-primary mb-5">创建新用户</h3>
-                <form onSubmit={handleCreate} className="space-y-3">
-                  <input
-                    type="text"
-                    placeholder="用户名"
-                    value={newUsername}
-                    onChange={(e) => setNewUsername(e.target.value)}
-                    className="w-full bg-surface-2 border border-border-default rounded-xl px-4 py-2.5 text-sm text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30 placeholder-text-muted/40"
-                  />
-                  <select
-                    value={newRole}
-                    onChange={(e) => setNewRole(e.target.value)}
-                    className="w-full bg-surface-2 border border-border-default rounded-xl px-4 py-2.5 text-sm text-text-primary focus:outline-none focus:ring-1 focus:ring-amber-500/30 appearance-none"
-                  >
-                    <option value="user" className="bg-bg-card text-text-primary">普通用户</option>
-                    <option value="admin" className="bg-bg-card text-text-primary">管理员</option>
-                  </select>
-                  {createError && <p className="text-xs text-amber-400/80">{createError}</p>}
-                  <div className="flex gap-3 pt-2">
-                    <button
-                      type="button"
-                      onClick={() => setShowCreate(false)}
-                      className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-surface-3 border border-border-default text-text-secondary hover:text-text-primary hover:bg-surface-4 transition-all"
-                    >
-                      取消
-                    </button>
-                    <button
-                      type="submit"
-                      disabled={createLoading}
-                      className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all disabled:opacity-50"
-                    >
-                      {createLoading ? "创建中..." : "创建"}
-                    </button>
-                  </div>
-                </form>
-              </>
-            )}
-          </div>
-        </div>
-      )}
-
-      {/* Reset Password Result Dialog */}
-      {resetResult && (
-        <div className="fixed inset-0 z-[60] flex items-center justify-center">
-          <div className="absolute inset-0 bg-black/60 backdrop-blur-sm" onClick={() => setResetResult(null)} />
-          <div className="relative w-full max-w-sm mx-4 p-6 rounded-2xl bg-bg-card border border-border-default shadow-card space-y-4">
-            <h3 className="text-base font-semibold text-text-primary">密码已重置</h3>
-            <div className="p-4 rounded-xl bg-surface-1 border border-border-subtle space-y-2">
-              <div className="flex justify-between text-sm">
-                <span className="text-text-muted">用户名</span>
-                <span className="text-text-primary font-medium">{resetResult.username}</span>
-              </div>
-              <div className="flex justify-between text-sm items-center">
-                <span className="text-text-muted">新密码</span>
-                <span className="text-amber-400 font-mono text-xs">{resetResult.password}</span>
-              </div>
-            </div>
-            <p className="text-xs text-amber-400/60">请妥善保管新密码，此密码仅显示一次</p>
-            <div className="flex gap-3">
-              <button
-                onClick={() => copyCredential(resetResult.username, resetResult.password)}
-                className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-gradient-to-r from-amber-500/20 to-amber-600/15 text-amber-400 border border-amber-500/10 hover:from-amber-500/30 hover:to-amber-600/25 transition-all"
-              >
-                {copied ? "已复制" : "一键复制"}
-              </button>
-              <button
-                onClick={() => setResetResult(null)}
-                className="flex-1 py-2.5 rounded-xl text-sm font-medium bg-surface-3 border border-border-default text-text-secondary hover:text-text-primary hover:bg-surface-4 transition-all"
-              >
-                关闭
-              </button>
-            </div>
-          </div>
-        </div>
-      )}
-    </div>
-  );
-}

frontend/src/components/nav.tsx

@@ -63,6 +63,15 @@ function UsersIcon() {
   );
 }
 
+function SettingsIcon() {
+  return (
+    <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
+      <circle cx="12" cy="12" r="3" />
+      <path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z" />
+    </svg>
+  );
+}
+
 function SideNavItem({ href, icon, label }: { href: string; icon: React.ReactNode; label: string }) {
   const pathname = usePathname();
   const isActive = pathname === href || (href !== "/dashboard" && pathname.startsWith(href));
@@ -92,7 +101,7 @@ export function SidebarNav() {
       <SideNavItem href="/sectors" icon={<FireIcon />} label="板块分析" />
       <SideNavItem href="/diagnose" icon={<DiagnoseIcon />} label="AI 诊断" />
       {user?.role === "admin" && (
-        <SideNavItem href="/users" icon={<UsersIcon />} label="用户管理" />
+        <SideNavItem href="/settings" icon={<SettingsIcon />} label="系统设置" />
       )}
     </nav>
   );

frontend/src/lib/api.ts

@@ -378,3 +378,46 @@ export async function dataResetAPI(mode: string, beforeDate?: string, minScore?:
     min_score: minScore,
   });
 }
+
+// ---------- Debug Logs (Admin) ----------
+
+export interface ErrorLog {
+  id: number;
+  source: string;
+  level: string;
+  message: string;
+  detail: string;
+  created_at: string;
+}
+
+export interface ErrorLogsResult {
+  total: number;
+  errors: ErrorLog[];
+  sources: string[];
+  levels: string[];
+}
+
+export interface SystemStatus {
+  is_trading: boolean;
+  scan_running: boolean;
+  scan_locked: boolean;
+  recent_errors: number;
+  last_errors: { source: string; message: string; created_at: string }[];
+  tables_counts: Record<string, number>;
+  db_size_mb: number;
+}
+
+export async function getErrorLogsAPI(limit: number = 50, source?: string, level?: string, days: number = 7): Promise<ErrorLogsResult> {
+  const params = new URLSearchParams({ limit: String(limit), days: String(days) });
+  if (source) params.set("source", source);
+  if (level) params.set("level", level);
+  return fetchAPI<ErrorLogsResult>(`/api/debug/errors?${params}`);
+}
+
+export async function clearErrorLogsAPI(days: number = 30): Promise<{ status: string; deleted: number }> {
+  return deleteAPI<{ status: string; deleted: number }>(`/api/debug/errors?days=${days}`);
+}
+
+export async function getSystemStatusAPI(): Promise<SystemStatus> {
+  return fetchAPI<SystemStatus>("/api/debug/system");
+}