add data quality checks and improve portfolio visualization

app/ui/portfolio_config.py

@@ -146,7 +146,7 @@ def render_portfolio_config() -> None:
         
         st.bar_chart(
             positions_df.set_index("股票")["持仓比例"],
-            use_container_width=True
+            width="stretch"
         )
         
     with col2:
@@ -158,5 +158,5 @@ def render_portfolio_config() -> None:
         
         st.bar_chart(
             sectors_df.set_index("行业")["敞口"],
-            use_container_width=True
+            width="stretch"
         )

app/ui/views/tests.py

@@ -1,9 +1,11 @@
 """自检测试视图。"""
 from __future__ import annotations
 
+from collections import Counter
 from datetime import date
 
 import streamlit as st
+import pandas as pd
 
 from app.data.schema import initialize_database
 from app.ingest.checker import run_boot_check
@@ -11,6 +13,7 @@ from app.ingest.tushare import FetchJob, run_ingestion
 from app.llm.client import llm_config_snapshot, run_llm
 from app.utils import alerts
 from app.utils.config import get_config, save_config
+from app.utils.data_quality import run_data_quality_checks
 
 from app.ui.shared import LOGGER, LOG_EXTRA
 from app.ui.views.dashboard import update_dashboard_sidebar
@@ -202,3 +205,50 @@ def render_tests() -> None:
                 LOGGER.info("LLM 测试成功", extra=LOG_EXTRA)
                 st.success("LLM 调用成功，以下为返回内容：")
                 st.write(response)
+
+    st.divider()
+    st.subheader("数据质量验证")
+    st.write("快速检查候选池、策略评估、持仓快照与新闻数据的更新情况。")
+    dq_window = int(
+        st.number_input(
+            "数据更新窗口（天）",
+            min_value=3,
+            max_value=60,
+            value=7,
+            step=1,
+            help="用于判断数据是否过期的时间窗口。",
+        )
+    )
+    if st.button("运行数据质量验证"):
+        LOGGER.info("执行数据质量验证 window_days=%s", dq_window, extra=LOG_EXTRA)
+        with st.spinner("正在执行数据质量检查..."):
+            results = run_data_quality_checks(window_days=dq_window)
+
+        level_counts = Counter(item.severity for item in results)
+        metric_cols = st.columns(3)
+        metric_cols[0].metric("错误", level_counts.get("ERROR", 0))
+        metric_cols[1].metric("警告", level_counts.get("WARN", 0))
+        metric_cols[2].metric("提示", level_counts.get("INFO", 0))
+
+        if not results:
+            st.info("未返回任何检查结果。")
+        else:
+            df = pd.DataFrame(
+                [
+                    {
+                        "检查项": item.check,
+                        "级别": item.severity,
+                        "说明": item.detail,
+                        "附加信息": item.extras or {},
+                    }
+                    for item in results
+                ]
+            )
+            st.dataframe(df, hide_index=True, width="stretch")
+            with st.expander("导出检查结果", expanded=False):
+                st.download_button(
+                    "下载 CSV",
+                    data=df.to_csv(index=False),
+                    file_name="data_quality_results.csv",
+                    mime="text/csv",
+                )

app/ui/views/today.py

@@ -13,8 +13,10 @@ import streamlit as st
 from app.backtest.engine import BacktestEngine, PortfolioState, BtConfig
 from app.utils.portfolio import (
     InvestmentCandidate,
-    get_candidate_pool,
+    PortfolioPosition,
     get_portfolio_settings_snapshot,
+    list_investment_pool,
+    list_positions,
 )
 from app.utils.db import db_session
 
@@ -42,6 +44,48 @@ def _parse_trade_date(trade_date: str | int | date) -> date:
         raise ValueError(f"无法解析交易日：{trade_date}") from exc
 
 
+def _resolve_trade_date_variants(trade_date: str | int | date) -> List[str]:
+    """Return possible string representations for the given trade date."""
+    variants: List[str] = []
+    str_val = str(trade_date).strip()
+    if str_val:
+        variants.append(str_val)
+    try:
+        dt = _parse_trade_date(trade_date)
+    except ValueError:
+        dt = None
+    if dt is not None:
+        variants.extend(
+            [
+                dt.strftime("%Y%m%d"),
+                dt.isoformat(),
+            ]
+        )
+    # 保持顺序同时去重
+    seen = set()
+    unique_variants: List[str] = []
+    for item in variants:
+        if item and item not in seen:
+            unique_variants.append(item)
+            seen.add(item)
+    return unique_variants
+
+
+def _load_candidate_records(
+    trade_date: str | int | date,
+) -> tuple[List[InvestmentCandidate], Optional[str], bool]:
+    """Load candidate pool records trying multiple trade date representations."""
+    variants = _resolve_trade_date_variants(trade_date)
+    for variant in variants:
+        records = list_investment_pool(trade_date=variant)
+        if records:
+            return records, variant, False
+    latest_records = list_investment_pool()
+    if latest_records:
+        return latest_records, latest_records[0].trade_date, True
+    return [], None, False
+
+
 def _fetch_agent_actions(trade_date: str, symbols: List[str]) -> Dict[str, Dict[str, Optional[str]]]:
     unique_symbols = list(dict.fromkeys(symbols))
     if not unique_symbols:
@@ -205,31 +249,40 @@ def render_today_plan() -> None:
             """,
             (trade_date,),
         ).fetchall()
-    symbols = [row["ts_code"] for row in code_rows]
+    agent_symbols = [row["ts_code"] for row in code_rows]
 
-    candidate_records, fallback_used = get_candidate_pool(trade_date=trade_date)
+    candidate_records, candidate_data_date, candidate_fallback = _load_candidate_records(trade_date)
     if candidate_records:
-        message = (
+        preview_codes = "、".join(item.ts_code for item in candidate_records[:12])
-            f"候选池包含 {len(candidate_records)} 个标的："
+        if len(candidate_records) > 12:
-            + "、".join(item.ts_code for item in candidate_records[:12])
+            preview_codes += "…"
-            + ("…" if len(candidate_records) > 12 else "")
+        source_note = ""
+        if candidate_data_date and candidate_data_date != trade_date:
+            source_note = f"（基于 {candidate_data_date} 数据）"
+        elif candidate_fallback:
+            source_note = "（使用最近候选池）"
+        st.caption(
+            f"候选池包含 {len(candidate_records)} 个标的：{preview_codes}{source_note}"
         )
-        if fallback_used:
-            message += "（使用最新候选池）"
-        st.caption(message)
-
-    if candidate_records:
-        candidate_codes = [item.ts_code for item in candidate_records]
-        symbols = list(dict.fromkeys(candidate_codes + symbols))
     else:
-        st.caption("所选日期暂无候选池数据，仍可查看代理决策记录。")
+        st.caption("所选日期暂无候选池数据，仍可查看代理决策记录或触发重评估。")
+
+    candidate_codes = [item.ts_code for item in candidate_records]
+    positions = list_positions(active_only=True)
+    position_map: Dict[str, PortfolioPosition] = {pos.ts_code: pos for pos in positions}
+    position_codes = [pos.ts_code for pos in positions]
+
+    symbols = list(
+        dict.fromkeys(candidate_codes + agent_symbols + position_codes)
+    )
 
     with actions_col:
-        metrics_cols = st.columns(2)
+        metrics_cols = st.columns(3)
-        metrics_cols[0].metric("标的数量", len(symbols))
+        metrics_cols[0].metric("已产出决策数", len(agent_symbols))
         metrics_cols[1].metric("候选池标的", len(candidate_records))
-        st.caption("一键触发策略重评估（包含当前交易日的所有标的）。")
+        metrics_cols[2].metric("当前持仓", len(position_codes))
-        if st.button("一键重评估全部", type="primary", use_container_width=True):
+        st.caption("对当前交易日所有标的触发策略重评估。")
+        if st.button("一键重评估全部", type="primary", width="stretch"):
             with st.spinner("正在对所有标的进行重评估，请稍候..."):
                 try:
                     trade_date_obj = _parse_trade_date(trade_date)
@@ -251,28 +304,48 @@ def render_today_plan() -> None:
                     LOGGER.exception("一键重评估失败", extra=LOG_EXTRA)
                     st.error(f"一键重评估执行过程中发生错误：{exc}")
 
-    detail_tab, assistant_tab = st.tabs(["标的详情", "投资助理模式"])
+    overview_tab, detail_tab = st.tabs(["组合总览", "标的详情"])
-    with assistant_tab:
+    with overview_tab:
-        _render_today_plan_assistant_view(trade_date, candidate_records)
+        _render_today_plan_assistant_view(
+            trade_date,
+            candidate_records,
+            candidate_data_date,
+            candidate_fallback,
+            positions,
+        )
 
     with detail_tab:
         if not symbols:
             st.info("所选交易日暂无 agent_utils 记录。")
         else:
-            _render_today_plan_symbol_view(trade_date, symbols, query, candidate_records)
+            _render_today_plan_symbol_view(
+                trade_date,
+                symbols,
+                query,
+                candidate_records,
+                position_map,
+            )
 
 
 def _render_today_plan_assistant_view(
     trade_date: str | int | date,
     candidate_records: List[InvestmentCandidate],
+    candidate_data_date: Optional[str],
+    fallback_used: bool,
+    positions: List[PortfolioPosition],
 ) -> None:
-    # 确保日期格式为字符串
+    display_date = candidate_data_date or str(trade_date)
-    if isinstance(trade_date, date):
+    st.info("组合总览聚焦候选池与仓位概况，用于快速判断今日是否需要调整策略。")
-        trade_date = trade_date.strftime("%Y%m%d")
+    if fallback_used and candidate_data_date and candidate_data_date != str(trade_date):
-    st.info("已开启投资助理模式：以下内容为组合级（去标的）建议，不包含任何具体标的代码。")
+        st.caption(f"候选池数据来自 {candidate_data_date}（最近可用日期）。")
-    try:
+    elif candidate_data_date and candidate_data_date != str(trade_date):
-        candidates = candidate_records or list_investment_pool(trade_date=trade_date)
+        st.caption(f"候选池数据基于 {candidate_data_date}。")
-        if candidates:
+
+    candidates = candidate_records
+    if not candidates:
+        st.warning("尚未生成候选池，请先运行回测/评估流程或触发上方的一键重评估。")
+        return
+
     scores = [float(item.score or 0.0) for item in candidates]
     statuses = [item.status or "UNKNOWN" for item in candidates]
     tags: List[str] = []
@@ -282,14 +355,26 @@ def _render_today_plan_assistant_view(
             tags.extend(item.tags)
         if getattr(item, "rationale", None):
             rationales.append(str(item.rationale))
+
     cnt = Counter(statuses)
     tag_cnt = Counter(tags)
-            st.subheader("候选池聚合概览（已匿名化）")
+
     col_a, col_b, col_c = st.columns(3)
     col_a.metric("候选数", f"{len(candidates)}")
     col_b.metric("平均评分", f"{np.mean(scores):.3f}" if scores else "-")
     col_c.metric("中位评分", f"{np.median(scores):.3f}" if scores else "-")
 
+    if positions:
+        total_market_value = sum(float(pos.market_value or 0.0) for pos in positions)
+        position_cols = st.columns(3)
+        position_cols[0].metric("持仓数", len(positions))
+        position_cols[1].metric(
+            "持仓总市值",
+            f"{total_market_value:,.0f}" if total_market_value else "-",
+        )
+        exposure = sum(float(pos.target_weight or 0.0) for pos in positions)
+        position_cols[2].metric("目标权重合计", f"{exposure:.0%}" if exposure else "-")
+
     st.write("状态分布：")
     st.json(dict(cnt))
 
@@ -322,16 +407,14 @@ def _render_today_plan_assistant_view(
     )
     if st.button("生成组合级操作建议（仅输出，不执行）"):
         st.success("已生成组合级建议（仅供参考）。")
-                st.write({
+        st.write(
+            {
                 "候选数": len(candidates),
                 "平均评分": avg_score,
                 "建议新增买入比例": f"{suggest_pct:.0%}",
-                })
+                "候选数据日期": display_date,
-        else:
+            }
-            st.info("所选交易日暂无候选投资池数据。")
+        )
-    except Exception:  # noqa: BLE001
-        LOGGER.exception("加载候选池聚合信息失败", extra=LOG_EXTRA)
-        st.error("加载候选池数据时发生错误。")
 
 
 def _render_today_plan_symbol_view(
@@ -339,6 +422,7 @@ def _render_today_plan_symbol_view(
     symbols: List[str],
     query_params: Dict[str, List[str]],
     candidate_records: List[InvestmentCandidate],
+    position_map: Dict[str, PortfolioPosition],
 ) -> None:
     default_ts = query_params.get("code", [symbols[0]])[0]
     try:
@@ -363,12 +447,9 @@ def _render_today_plan_symbol_view(
             (trade_date, ts_code),
         ).fetchall()
 
-    if not rows:
-        st.info("未查询到详细决策记录，稍后再试。")
-        return
-
     candidate_map = {item.ts_code: item for item in candidate_records}
     candidate_info = candidate_map.get(ts_code)
+    position_info = position_map.get(ts_code)
     if candidate_info:
         info_cols = st.columns(4)
         info_cols[0].metric("候选评分", f"{(candidate_info.score or 0):.3f}")
@@ -377,6 +458,30 @@ def _render_today_plan_symbol_view(
         info_cols[3].metric("行业", candidate_info.industry or "-")
         if candidate_info.rationale:
             st.caption(f"候选理由：{candidate_info.rationale}")
+    if position_info:
+        pos_cols = st.columns(4)
+        pos_cols[0].metric("持仓数量", f"{position_info.quantity:.0f}")
+        pos_cols[1].metric(
+            "成本价",
+            f"{position_info.cost_price:.2f}",
+        )
+        market_price = position_info.market_price
+        pos_cols[2].metric("市价", f"{market_price:.2f}" if market_price else "-")
+        pnl = (position_info.unrealized_pnl or 0.0) + (position_info.realized_pnl or 0.0)
+        pos_cols[3].metric("累计盈亏", f"{pnl:,.0f}")
+        if position_info.target_weight is not None:
+            st.caption(f"目标权重：{position_info.target_weight:.0%}")
+
+    _render_today_plan_reevaluation_controls(
+        trade_date,
+        ts_code,
+        batch_symbols,
+        add_divider=False,
+    )
+
+    if not rows:
+        st.info("该标的尚未生成部门/代理决策，可尝试触发重评估。")
+        return
 
     try:
         feasible_actions = json.loads(rows[0]["feasible"] or "[]")
@@ -685,11 +790,19 @@ def _render_today_plan_symbol_view(
     st.divider()
     st.info("投资池与仓位概览已移至单独页面。请在侧边或页面导航中选择“投资池/仓位”以查看详细信息。")
 
+def _render_today_plan_reevaluation_controls(
+    trade_date: str | int | date,
+    ts_code: str,
+    batch_symbols: List[str],
+    *,
+    add_divider: bool = True,
+) -> None:
+    if add_divider:
         st.divider()
     st.subheader("策略重评估")
     st.caption("对当前选中的交易日与标的，立即触发一次策略评估并回写 agent_utils。")
     cols_re = st.columns([1, 1])
-    if cols_re[0].button("对该标的重评估", key="reevaluate_current_symbol"):
+    if cols_re[0].button("对该标的重评估", key=f"reevaluate_{ts_code}"):
         with st.spinner("正在重评估..."):
             try:
                 trade_date_obj = _parse_trade_date(trade_date)
@@ -713,7 +826,12 @@ def _render_today_plan_symbol_view(
             except Exception as exc:  # noqa: BLE001
                 LOGGER.exception("重评估失败", extra=LOG_EXTRA)
                 st.error(f"重评估失败：{exc}")
-    if cols_re[1].button("批量重评估（所选）", key="reevaluate_batch", disabled=not batch_symbols):
+    disabled = not batch_symbols
+    if cols_re[1].button(
+        "批量重评估（所选）",
+        key="reevaluate_batch_symbols",
+        disabled=disabled,
+    ):
         with st.spinner("批量重评估执行中..."):
             try:
                 trade_date_obj = _parse_trade_date(trade_date)

app/utils/data_quality.py

@@ -0,0 +1,368 @@
+"""Utility helpers for performing lightweight data quality checks."""
+from __future__ import annotations
+
+from dataclasses import dataclass
+from datetime import date, datetime, timedelta
+from typing import Dict, Iterable, List, Optional
+
+from app.utils.db import db_session
+from app.utils.logging import get_logger
+
+LOGGER = get_logger(__name__)
+LOG_EXTRA = {"stage": "data_quality"}
+
+Severity = str  # Literal["ERROR", "WARN", "INFO"] (avoid importing Literal for py<3.8)
+
+
+@dataclass
+class DataQualityResult:
+    check: str
+    severity: Severity
+    detail: str
+    extras: Optional[Dict[str, object]] = None
+
+
+def _parse_date(value: object) -> Optional[date]:
+    """Best-effort parse for trade_date columns stored as str/int."""
+    if value is None:
+        return None
+    if isinstance(value, date):
+        return value
+    text = str(value).strip()
+    if not text:
+        return None
+    for fmt in ("%Y-%m-%d", "%Y%m%d"):
+        try:
+            return datetime.strptime(text, fmt).date()
+        except ValueError:
+            continue
+    try:
+        return datetime.fromisoformat(text).date()
+    except ValueError:
+        LOGGER.debug("无法解析日期字段 value=%s", value, extra=LOG_EXTRA)
+        return None
+
+
+def run_data_quality_checks(*, window_days: int = 7) -> List[DataQualityResult]:
+    """Execute a suite of lightweight data quality checks."""
+    results: List[DataQualityResult] = []
+    today = date.today()
+    window_start = today - timedelta(days=window_days)
+
+    try:
+        with db_session(read_only=True) as conn:
+            # 1. 候选池最新数据
+            try:
+                row = conn.execute(
+                    """
+                    SELECT trade_date, COUNT(DISTINCT ts_code) AS cnt
+                    FROM investment_pool
+                    ORDER BY trade_date DESC
+                    LIMIT 1
+                    """
+                ).fetchone()
+            except Exception:  # noqa: BLE001
+                LOGGER.exception("查询 investment_pool 失败", extra=LOG_EXTRA)
+                results.append(
+                    DataQualityResult(
+                        "候选池可用性",
+                        "ERROR",
+                        "读取候选池数据失败，请检查 investment_pool 表结构与权限。",
+                    )
+                )
+                row = None
+
+            latest_candidate_date = _parse_date(row["trade_date"]) if row else None
+            candidate_count = int(row["cnt"]) if row and row["cnt"] is not None else 0
+            if row is None:
+                pass
+            elif latest_candidate_date is None:
+                results.append(
+                    DataQualityResult(
+                        "候选池可用性",
+                        "ERROR",
+                        "未解析到候选池日期，请确认 trade_date 字段格式。",
+                        {"raw_value": row["trade_date"]},
+                    )
+                )
+            else:
+                age = (today - latest_candidate_date).days
+                extras = {
+                    "trade_date": latest_candidate_date.isoformat(),
+                    "candidate_count": candidate_count,
+                    "age_days": age,
+                }
+                if candidate_count == 0:
+                    results.append(
+                        DataQualityResult(
+                            "候选池可用性",
+                            "ERROR",
+                            f"{latest_candidate_date} 的候选池为空。",
+                            extras,
+                        )
+                    )
+                elif age > window_days:
+                    results.append(
+                        DataQualityResult(
+                            "候选池可用性",
+                            "WARN",
+                            f"候选池停留在 {latest_candidate_date}，已超过 {window_days} 天未更新。",
+                            extras,
+                        )
+                    )
+                else:
+                    results.append(
+                        DataQualityResult(
+                            "候选池可用性",
+                            "INFO",
+                            f"最新候选池（{latest_candidate_date}）包含 {candidate_count} 个标的。",
+                            extras,
+                        )
+                    )
+
+            # 2. agent_utils 覆盖率
+            try:
+                row_agent = conn.execute(
+                    """
+                    SELECT trade_date, COUNT(DISTINCT ts_code) AS cnt
+                    FROM agent_utils
+                    ORDER BY trade_date DESC
+                    LIMIT 1
+                    """
+                ).fetchone()
+            except Exception:  # noqa: BLE001
+                LOGGER.exception("查询 agent_utils 失败", extra=LOG_EXTRA)
+                results.append(
+                    DataQualityResult(
+                        "策略评估数据",
+                        "ERROR",
+                        "读取 agent_utils 失败，无法评估部门/代理数据是否可用。",
+                    )
+                )
+                row_agent = None
+
+            latest_agent_date = _parse_date(row_agent["trade_date"]) if row_agent else None
+            agent_count = int(row_agent["cnt"]) if row_agent and row_agent["cnt"] is not None else 0
+            if row_agent is None:
+                pass
+            elif latest_agent_date is None:
+                results.append(
+                    DataQualityResult(
+                        "策略评估数据",
+                        "ERROR",
+                        "未解析到 agent_utils 日期，请确认 trade_date 字段格式。",
+                        {"raw_value": row_agent["trade_date"]},
+                    )
+                )
+            else:
+                extras = {
+                    "trade_date": latest_agent_date.isoformat(),
+                    "decision_count": agent_count,
+                }
+                if agent_count == 0:
+                    results.append(
+                        DataQualityResult(
+                            "策略评估数据",
+                            "WARN",
+                            f"{latest_agent_date} 的 agent_utils 中未找到标的记录。",
+                            extras,
+                        )
+                    )
+                else:
+                    results.append(
+                        DataQualityResult(
+                            "策略评估数据",
+                            "INFO",
+                            f"{latest_agent_date} 共有 {agent_count} 个标的完成策略评估。",
+                            extras,
+                        )
+                    )
+
+                if latest_candidate_date and latest_candidate_date != latest_agent_date:
+                    results.append(
+                        DataQualityResult(
+                            "候选与策略同步",
+                            "WARN",
+                            "候选池与策略评估日期不一致，建议重新触发评估或数据同步。",
+                            {
+                                "candidate_date": latest_candidate_date.isoformat(),
+                                "agent_date": latest_agent_date.isoformat(),
+                            },
+                        )
+                    )
+
+            # 3. 开仓记录 vs 快照
+            try:
+                open_positions = conn.execute(
+                    """
+                    SELECT COUNT(*) AS cnt
+                    FROM portfolio_positions
+                    WHERE status = 'open'
+                    """
+                ).fetchone()
+                open_position_count = int(open_positions["cnt"]) if open_positions else 0
+            except Exception:  # noqa: BLE001
+                LOGGER.exception("查询 portfolio_positions 失败", extra=LOG_EXTRA)
+                open_position_count = 0
+                results.append(
+                    DataQualityResult(
+                        "持仓数据",
+                        "WARN",
+                        "无法读取当前持仓，检查 portfolio_positions 表是否存在。",
+                    )
+                )
+
+            latest_snapshot_date = None
+            snapshot_date_column = None
+            try:
+                snapshot_info = conn.execute("PRAGMA table_info(portfolio_snapshots)").fetchall()
+            except Exception:  # noqa: BLE001
+                LOGGER.exception("读取 portfolio_snapshots 结构失败", extra=LOG_EXTRA)
+                snapshot_info = []
+
+            preferred_snapshot_columns: Iterable[str] = (
+                "as_of",
+                "snapshot_date",
+                "trade_date",
+                "date",
+                "created_at",
+                "timestamp",
+            )
+            available_snapshot_columns: List[str] = []
+            for row in snapshot_info:
+                name = row["name"] if "name" in row.keys() else row[1]
+                available_snapshot_columns.append(name)
+                if name in preferred_snapshot_columns and snapshot_date_column is None:
+                    snapshot_date_column = name
+
+            if snapshot_date_column:
+                try:
+                    snap_row = conn.execute(
+                        f"""
+                        SELECT MAX({snapshot_date_column}) AS latest_snapshot
+                        FROM portfolio_snapshots
+                        """
+                    ).fetchone()
+                    if snap_row and snap_row["latest_snapshot"]:
+                        latest_snapshot_date = _parse_date(snap_row["latest_snapshot"])
+                except Exception:  # noqa: BLE001
+                    LOGGER.exception("查询 portfolio_snapshots 失败", extra=LOG_EXTRA)
+            elif available_snapshot_columns:
+                results.append(
+                    DataQualityResult(
+                        "持仓快照",
+                        "WARN",
+                        "未找到标准快照日期字段（如 as_of/snapshot_date），请确认表结构。",
+                        {"columns": available_snapshot_columns},
+                    )
+                )
+            else:
+                results.append(
+                    DataQualityResult(
+                        "持仓快照",
+                        "WARN",
+                        "未检测到 portfolio_snapshots 表，无法校验持仓快照。",
+                    )
+                )
+
+            if open_position_count > 0:
+                if latest_snapshot_date is None:
+                    results.append(
+                        DataQualityResult(
+                            "持仓快照",
+                            "WARN",
+                            "存在未平仓头寸，但未找到任何持仓快照记录。",
+                            {"open_positions": open_position_count},
+                        )
+                    )
+                elif latest_snapshot_date < window_start:
+                    results.append(
+                        DataQualityResult(
+                            "持仓快照",
+                            "WARN",
+                            f"最新持仓快照停留在 {latest_snapshot_date}，已超过窗口 {window_days} 天。",
+                            {
+                                "latest_snapshot": latest_snapshot_date.isoformat(),
+                                "open_positions": open_position_count,
+                            },
+                        )
+                    )
+                else:
+                    results.append(
+                        DataQualityResult(
+                            "持仓快照",
+                            "INFO",
+                            f"最新持仓快照日期：{latest_snapshot_date}。",
+                            {
+                                "latest_snapshot": latest_snapshot_date.isoformat(),
+                                "open_positions": open_position_count,
+                            },
+                        )
+                    )
+
+            # 4. 新闻数据时效
+            latest_news_date = None
+            try:
+                news_row = conn.execute(
+                    """
+                    SELECT MAX(pub_time) AS latest_pub
+                    FROM news
+                    """
+                ).fetchone()
+                if news_row and news_row["latest_pub"]:
+                    try:
+                        latest_news_date = datetime.fromisoformat(
+                            str(news_row["latest_pub"])
+                        )
+                    except ValueError:
+                        LOGGER.debug(
+                            "无法解析新闻时间字段 value=%s",
+                            news_row["latest_pub"],
+                            extra=LOG_EXTRA,
+                        )
+            except Exception:  # noqa: BLE001
+                LOGGER.exception("查询 news 失败", extra=LOG_EXTRA)
+
+            if latest_news_date:
+                if latest_news_date.tzinfo is not None:
+                    now_ts = datetime.now(tz=latest_news_date.tzinfo)
+                else:
+                    now_ts = datetime.now()
+                delta_days = (now_ts - latest_news_date).days
+                if delta_days > window_days:
+                    results.append(
+                        DataQualityResult(
+                            "新闻数据时效",
+                            "WARN",
+                            f"最新新闻时间为 {latest_news_date}, 已超过 {window_days} 天未更新。",
+                            {"latest_pub_time": str(latest_news_date)},
+                        )
+                    )
+                else:
+                    results.append(
+                        DataQualityResult(
+                            "新闻数据时效",
+                            "INFO",
+                            f"新闻数据最新时间：{latest_news_date}",
+                            {"latest_pub_time": str(latest_news_date)},
+                        )
+                    )
+            else:
+                results.append(
+                    DataQualityResult(
+                        "新闻数据时效",
+                        "WARN",
+                        "未找到最新新闻记录，请检查 RSS 或新闻数据接入。",
+                    )
+                )
+    except Exception:  # noqa: BLE001
+        LOGGER.exception("执行数据质量检查失败", extra=LOG_EXTRA)
+        results.append(
+            DataQualityResult(
+                "运行状态",
+                "ERROR",
+                "数据质量检查过程中发生异常，请查看日志。",
+            )
+        )
+
+    return results

docs/TODO.md

@@ -38,7 +38,7 @@
 
 | 工作项 | 状态 | 说明 |
 | --- | --- | --- |
-| 一键重评估入口 | ⏳ | 今日计划页需支持重新触发评估流程。 |
+| 一键重评估入口 | ✅ | 今日计划页提供批量/全量重评估入口，待收集反馈再做优化。 |
 | 回测实验对比 | ⏳ | 提供提示/温度多版本实验管理与曲线对比。 |
 | 实时指标面板 | ✅ | Streamlit 监控页已具备核心实时指标。 |
 | 异常日志钻取 | ⏳ | 待补充筛选、定位与历史对比能力。 |
@@ -60,7 +60,7 @@
 | --- | --- | --- |
 | 单元/集成测试覆盖 | ⏳ | 补充部门上下文、LLM 调用、回测指标等核心路径测试。 |
 | 决策流程回归集 | ⏳ | 建立提示模板调整后的回归用例，确保行为可复现。 |
-| 数据质量验证 | ⏳ | 针对 ingest、特征写库建立自动化验证管线。 |
+| 数据质量验证 | 🔄 | 自检页面新增候选/策略/持仓/新闻质量检查，后续补自动化管线。 |
 | 教程与示例 | ⏳ | 编写 Notebook 或 End-to-End 教程覆盖“数据→回测→调参→评估”。 |
 | 日志收集机制 | ⏳ | 完善日志聚合与查询工具，支撑问题定位。 |