知行多空线指标接入选股与事件回测；大盘总览走 quicksync 统一入口；candles 批量 upsert 分批防 asyncpg 参数超限

backend/app/screener/llm.py

@@ -22,8 +22,8 @@ SYSTEM_PROMPT = """你是 A 股选股条件解析器。把用户的自然语言
 （indicator 与 snapshot 至少一个非空；用户没有提到的条件不要编造）
 
 【indicator 数组】技术指标条件，元素字段：
-- "indicator": 指标名，白名单：kdj_k / kdj_d / kdj_j（KDJ 的 K/D/J 值）、rsi、macd_dif / macd_dea / macd_hist（MACD 的 DIF/DEA/柱）、ma（收盘价均线）、boll_upper / boll_mid / boll_lower（布林轨道）、close（收盘价）、pct_chg（日涨跌幅%）
-- "params": 指标参数（可选），默认：KDJ {"n":9,"m1":3,"m2":3}；RSI {"period":14}；MACD {"fast":12,"slow":26,"signal":9}；MA {"period":20}；BOLL {"period":20,"std":2}
+- "indicator": 指标名，白名单：kdj_k / kdj_d / kdj_j（KDJ 的 K/D/J 值）、rsi、macd_dif / macd_dea / macd_hist（MACD 的 DIF/DEA/柱）、ma（收盘价均线）、boll_upper / boll_mid / boll_lower（布林轨道）、zhixing_dkx（知行多空线，四条收盘价均线的均值）、zhixing_trend（知行短期趋势线）、close（收盘价）、pct_chg（日涨跌幅%）
+- "params": 指标参数（可选），默认：KDJ {"n":9,"m1":3,"m2":3}；RSI {"period":14}；MACD {"fast":12,"slow":26,"signal":9}；MA {"period":20}；BOLL {"period":20,"std":2}；知行多空线 {"m1":14,"m2":28,"m3":57,"m4":114}
 - "op": "gt" | "ge" | "lt" | "le" | "between"
 - "value": 比较数值（between 时为下界），"value2": between 上界
 - "value_indicator": 可选。指标与指标比较时填另一指标名（同白名单），如 "DIF大于DEA" -> indicator=macd_dif, op=gt, value_indicator=macd_dea, value=0；"股价在布林带下轨之下" -> indicator=close, op=lt, value_indicator=boll_lower, value=0
@@ -53,7 +53,11 @@ SYSTEM_PROMPT = """你是 A 股选股条件解析器。把用户的自然语言
 
 示例3：
 输入：近 5 天曾经 MACD 金叉（DIF 上穿 DEA），换手率大于 5%，流通市值小于 100 亿
-输出：{"indicator":[{"indicator":"macd_dif","params":{"fast":12,"slow":26,"signal":9},"op":"gt","value":0,"value_indicator":"macd_dea","lookback":5,"match":"any"}],"snapshot":[{"field":"turnover_rate","op":"gt","value":5},{"field":"circ_mv","op":"lt","value":100}],"exclude_st":true,"exclude_delisted":true,"exclude_bj":true}"""
+输出：{"indicator":[{"indicator":"macd_dif","params":{"fast":12,"slow":26,"signal":9},"op":"gt","value":0,"value_indicator":"macd_dea","lookback":5,"match":"any"}],"snapshot":[{"field":"turnover_rate","op":"gt","value":5},{"field":"circ_mv","op":"lt","value":100}],"exclude_st":true,"exclude_delisted":true,"exclude_bj":true}
+
+示例4：
+输入：近一个月股价曾经站上知行多空线的股票
+输出：{"indicator":[{"indicator":"close","op":"gt","value":0,"value_indicator":"zhixing_dkx","params":{"m1":14,"m2":28,"m3":57,"m4":114},"lookback":20,"match":"any"}],"exclude_st":true,"exclude_delisted":true,"exclude_bj":true}"""
 
 
 class ScreenerError(RuntimeError):
@@ -159,8 +163,8 @@ EVENT_SYSTEM_PROMPT = """你是 A 股事件回测参数解析器。用户描述
 {"entry": {"indicator": [...], "snapshot": [], "exclude_st": true, "exclude_delisted": true, "exclude_bj": true}, "entry_timing": "next_open", "holding_days": 3, "exit_timing": "close"}
 
 【entry.indicator 数组】入场信号条件（必填，至少 1 条），元素字段与白名单：
-- "indicator": kdj_k / kdj_d / kdj_j（KDJ 的 K/D/J 值）、rsi、macd_dif / macd_dea / macd_hist（MACD 的 DIF/DEA/柱）、ma（收盘价均线）、boll_upper / boll_mid / boll_lower（布林轨道）、close（收盘价）、pct_chg（日涨跌幅%）
-- "params": 指标参数（可选），默认：KDJ {"n":9,"m1":3,"m2":3}；RSI {"period":14}；MACD {"fast":12,"slow":26,"signal":9}；MA {"period":20}；BOLL {"period":20,"std":2}
+- "indicator": kdj_k / kdj_d / kdj_j（KDJ 的 K/D/J 值）、rsi、macd_dif / macd_dea / macd_hist（MACD 的 DIF/DEA/柱）、ma（收盘价均线）、boll_upper / boll_mid / boll_lower（布林轨道）、zhixing_dkx（知行多空线）、zhixing_trend（知行短期趋势线）、close（收盘价）、pct_chg（日涨跌幅%）
+- "params": 指标参数（可选），默认：KDJ {"n":9,"m1":3,"m2":3}；RSI {"period":14}；MACD {"fast":12,"slow":26,"signal":9}；MA {"period":20}；BOLL {"period":20,"std":2}；知行多空线 {"m1":14,"m2":28,"m3":57,"m4":114}
 - "op": "gt" | "ge" | "lt" | "le" | "between"；"value"（between 时为下界）、"value2"（上界）
 - "value_indicator": 指标与指标比较时填另一指标名（同白名单），如 "DIF 大于 DEA" -> indicator=macd_dif, op=gt, value_indicator=macd_dea, value=0
 - "value_params": 比较对象指标参数不同时指定，如 "MA5 上穿 MA20" -> indicator=ma, params={"period":5}, op=gt, value_indicator=ma, value_params={"period":20}, value=0