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>

strategies/ChanLun_MACD.py

@@ -5,10 +5,10 @@ import sys
 import os
 # 添加父目录到系统路径
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-from ChanLun import ChanLun
-from ChanLun_Classifier import ChanLunClassifier
-from ChanEnum import Chan_FX_TYPE, Chan_KLC_FX, Chan_BI_DIR, Chan_KLC_FX
-from ChanPY import ChanPY
+from chanlun import ChanLun
+from chanlun.analysis.ChanLun_Classifier import ChanLunClassifier
+from chanlun.core.ChanEnum import Chan_FX_TYPE, Chan_KLC_FX, Chan_BI_DIR, Chan_KLC_FX
+from chanlun.analysis.ChanPY import ChanPY
 # --------------------------------
 from technical.util import resample_to_interval, resampled_merge
 import talib.abstract as ta
@@ -112,8 +112,8 @@ class ChanLun_MACD(IStrategy):
 
 		# ====== 结构：基于 ChanMACD 的 UnitTF 结束点（与零轴定义一致） ======
 		try:
-			from ChanKLU import ChanKLU
-			from ChanMACD import ChanMACD
+			from chanlun.core.ChanKLU import ChanKLU
+			from chanlun.indicators.ChanMACD import ChanMACD
 			klu_list = []
 			prev = None
 			for idx, row in dataframe.iterrows():