refactor: 缠论引擎包化与 Web 分层（ECR-001）

将根目录引擎迁入 chanlun/ 并保留兼容 shim；拆分 TF_DF 与 web 服务；
前端模块化；strategies 改用 chanlun 导入；补充 ESS 文档与 golden 回归。

Co-authored-by: Cursor <cursoragent@cursor.com>

chanlun/pipeline/timeframe.py

@@ -0,0 +1,78 @@
+from datetime import timedelta
+
+import numpy as np
+import pandas as pd
+import talib.abstract as ta
+from pandas import DataFrame
+from technical.util import resample_to_interval
+
+from chanlun.core.ChanBI import ChanBI
+from chanlun.core.ChanBIZS import ChanBIZS
+from chanlun.core.ChanBSP import ChanBSP
+from chanlun.core.ChanEnum import (
+    Chan_BI_DIR,
+    Chan_BSP_DIR,
+    Chan_BSP_TYPE,
+    Chan_FX_TYPE,
+    Chan_K_DIR,
+    Chan_KLC_FX,
+    Chan_KLC_STATE,
+    Chan_KLINE_DIR,
+    Chan_KLU_PATTERN,
+    Chan_PRICE_TREND,
+    Chan_SEG_DIR,
+    Chan_ZS_DIR,
+)
+from chanlun.core.ChanKLC import ChanKLC
+from chanlun.core.ChanKLU import ChanKLU
+from chanlun.core.ChanSBI import ChanSBI
+from chanlun.core.ChanSEG import ChanSEG
+from chanlun.core.ChanZS import ChanZS, ChanZS_Big
+from chanlun.indicators.ChanMACD import ChanMACD
+from chanlun.pipeline.builders.bi import BiBuilderMixin
+from chanlun.pipeline.builders.bsp import BspBuilderMixin
+from chanlun.pipeline.builders.indicators import IndicatorsBuilderMixin
+from chanlun.pipeline.builders.kline import KlineBuilderMixin
+from chanlun.pipeline.builders.seg import SegBuilderMixin
+from chanlun.pipeline.builders.zs import ZsBuilderMixin
+
+class TF_DF(IndicatorsBuilderMixin, KlineBuilderMixin, BiBuilderMixin, SegBuilderMixin, ZsBuilderMixin, BspBuilderMixin):
+	def __init__(self, df=None, interval=0, timeframe=None):
+		if df is not None:
+			self.init_TF_DF(df, interval, timeframe)
+	def init_TF_DF(self, df, interval, timeframe):
+		self.timeframe = timeframe
+		self.interval = interval
+		# 检查 DataFrame 是否为空或没有 date 列
+		if df is None or df.empty:
+			raise ValueError(f"DataFrame for {timeframe} is empty. Please download data first.")
+		if 'date' not in df.columns:
+			raise ValueError(f"DataFrame for {timeframe} missing 'date' column. Columns: {df.columns.tolist()}")
+		# interval=1 时不需要重采样
+		if interval == 1:
+			self.dataframe = df.copy()
+		else:
+			self.dataframe = resample_to_interval(df, interval)
+		#print(self.timeframe, len(self.dataframe))
+		self.dataframe = self.add_indicators(self.dataframe)
+		self.klu_list = []
+		self.klc_list = []
+		self.bi_list = []
+		self.zs_list = []
+		self.bsp_list = []
+		self.seg_list = []
+		self.klc_fx_list = []
+		self.klu_list = self.cal_kl_data(self.dataframe)
+		self.klc_list = self.get_klc_list(self.klu_list)
+		self.bi_list = self.cal_bi_list(self.klc_list)
+		self.seg_list = self.get_seg_list(self.bi_list)
+		self.zs_list = self.get_zs_list(self.bi_list, self.seg_list)
+		self.big_zs_list = self.get_big_zs_list(self.zs_list)
+		self.chanmacd = ChanMACD(self.klu_list)
+		self.klu_list = self.chanmacd.cal_macd_state()
+	
+						
+	def get_current_klc(self):
+		if len(self.klc_list) > 0:
+			return self.klc_list[-2]
+		return None