Initial commit: cc-cursor 全链路量化研究平台

7 Sprints 全部完成:
  Sprint 0: 基础设施 (DataManager + MariaDB)
  Sprint 1: 因子引擎 (34因子/12分类)
  Sprint 2: VectorBT 回测 (5策略+截面)
  Sprint 3: Optuna 优化 (+Walk-Forward)
  Sprint 4: ML 模型 (LightGBM+CatBoost)
  Sprint 5: Qwen 情绪因子 (三源新闻+日期对齐)
  Sprint 6: Agent 系统 (4Agent+日报.md/.html)

生产加固 (15项): Tushare双源fallback, SSH自动恢复, pool_pre_ping,
  save_daily先删后插, load_dotenv绝对路径, 日报5d/20d修复,
  RiskAgent改上证指数, 昨日对比+数据截止, mac_report utf8mb4,
  CLAUDE-*.md 9条已知Bug, demo全参数化, djapi数据源归一化,
  indexDatas API修正

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

djapi/api/serializers.py

@@ -0,0 +1,145 @@
+from rest_framework import serializers
+
+
+class StockDailySerializer(serializers.Serializer):
+    """日线行情（stockbasic）"""
+    ts_code = serializers.CharField()
+    trade_date = serializers.CharField()
+    open = serializers.FloatField()
+    high = serializers.FloatField()
+    low = serializers.FloatField()
+    close = serializers.FloatField()
+    pre_close = serializers.FloatField()
+    change = serializers.FloatField()
+    pct_chg = serializers.FloatField()
+    vol = serializers.FloatField()
+    amount = serializers.FloatField()
+
+
+class StockInfoSerializer(serializers.Serializer):
+    """个股基本信息（stockinfo）"""
+    ts_code = serializers.CharField()
+    symbol = serializers.CharField()
+    name = serializers.CharField()
+    area = serializers.CharField()
+    industry = serializers.CharField()
+    market = serializers.CharField()
+    list_date = serializers.CharField()
+    fullname = serializers.CharField()
+    enname = serializers.CharField()
+    exchange = serializers.CharField()
+    curr_type = serializers.CharField()
+    list_status = serializers.CharField()
+    is_hs = serializers.CharField()
+
+
+class IndustryStockSerializer(serializers.Serializer):
+    """行业股票列表（industrys）"""
+    ts_code = serializers.CharField()
+    name = serializers.CharField()
+
+
+class StockParamSerializer(serializers.Serializer):
+    """个股参数（stockparam）"""
+    ts_code = serializers.CharField()
+    trade_date = serializers.CharField()
+    close = serializers.FloatField()
+    turnover_rate = serializers.FloatField()
+    turnover_rate_f = serializers.FloatField()
+    volume_ratio = serializers.FloatField()
+    pe = serializers.FloatField()
+    pe_ttm = serializers.FloatField()
+    pb = serializers.FloatField()
+    ps = serializers.FloatField()
+    ps_ttm = serializers.FloatField()
+    dv_ratio = serializers.FloatField()
+    dv_ttm = serializers.FloatField()
+    total_share = serializers.FloatField()
+    float_share = serializers.FloatField()
+    free_share = serializers.FloatField()
+    total_mv = serializers.FloatField()
+    circ_mv = serializers.FloatField()
+
+
+class StockEpSerializer(serializers.Serializer):
+    """TTM EPS（stockep）"""
+    ts_code = serializers.CharField()
+    trade_date = serializers.CharField()
+    eps_ttm = serializers.FloatField()
+
+
+class QuarterlyEpsSerializer(serializers.Serializer):
+    """季度 EPS（quarterlyEps）"""
+    ts_code = serializers.CharField()
+    trade_date = serializers.CharField()
+    eps = serializers.FloatField()
+    report_date = serializers.CharField()
+
+
+class IndexInfoSerializer(serializers.Serializer):
+    """指数信息（indexByName）"""
+    index_code = serializers.CharField()
+    name = serializers.CharField()
+    fullname = serializers.CharField()
+    market = serializers.CharField()
+    publisher = serializers.CharField()
+    index_type = serializers.CharField()
+    category = serializers.CharField()
+    list_date = serializers.CharField()
+
+
+class IndexDailySerializer(serializers.Serializer):
+    """指数日行情（indexDatas）"""
+    ts_code = serializers.CharField()
+    trade_date = serializers.CharField()
+    close = serializers.FloatField()
+    open = serializers.FloatField()
+    high = serializers.FloatField()
+    low = serializers.FloatField()
+    pre_close = serializers.FloatField()
+    change = serializers.FloatField()
+    pct_chg = serializers.FloatField()
+    vol = serializers.FloatField()
+    amount = serializers.FloatField()
+
+
+class MarginDailySerializer(serializers.Serializer):
+    """每日融资融券汇总（dailyMargin）"""
+    trade_date = serializers.CharField()
+    exchange_id = serializers.CharField()
+    rzye = serializers.FloatField()
+    rqye = serializers.FloatField()
+    rzrqye = serializers.FloatField()
+
+
+class StockMarginSerializer(serializers.Serializer):
+    """个股融资融券（stockMargin）"""
+    ts_code = serializers.CharField()
+    trade_date = serializers.CharField()
+    rzye = serializers.FloatField()
+    rqye = serializers.FloatField()
+    rzrqye = serializers.FloatField()
+
+
+class FinanceDataSerializer(serializers.Serializer):
+    """财务报表分析（finance）"""
+    ts_code = serializers.CharField()
+    period = serializers.CharField()
+
+
+class DividendSerializer(serializers.Serializer):
+    """股息率（getdiv）"""
+    ts_code = serializers.CharField()
+    trade_date = serializers.CharField()
+    close = serializers.FloatField()
+    cash_div_tax = serializers.FloatField()
+    cash_div_year = serializers.FloatField()
+    div_yield = serializers.FloatField()
+
+
+class XwlbNewsSerializer(serializers.Serializer):
+    """新闻联播（xwlbNews / xwlbFine）"""
+    news_days = serializers.CharField()
+    daily_sub_id = serializers.IntegerField()
+    news_improve = serializers.CharField()
+    news_title = serializers.CharField()