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/core/ChanBI.py

@@ -0,0 +1,132 @@
+from decimal import Decimal
+import chanlun.core.ChanKLC as ChanKLC
+from chanlun.core.ChanEnum import Chan_BI_DIR
+class ChanBI():
+	def __init__(self, klc: ChanKLC, index, ddir=Chan_BI_DIR.UP):
+		self.start_klc = klc
+		self.end_klc = klc
+		self.next = None
+		self.pre = None
+		self.dir = ddir
+		self.index = index
+		self.is_sure = False
+		self.high = klc.high
+		self.low = klc.low
+		self.sure_time = None
+		self.klc_list = []
+		self.klc_list.append(klc)
+		self.end_time = klc.end_time
+		self.start_time = klc.start_time
+		self.macd_hist = 0
+		self.macd_div = 0
+		self.seg = None
+		self.height = 0
+		self.width = 0
+		self.slop = 0
+		self.fib_list = []
+		self.seg_index = 0
+		self.bi_zs = None
+		self.seg_zs = None
+	def set_bi_zs(self, bi_zs):
+		for klc in self.klc_list:
+			klc.set_bi_zs(bi_zs)
+	def set_seg(self, seg):
+		self.seg = seg
+		self.seg_index = len(seg.bi_list)-1
+	def set_macdhist(self, macd_hist):
+		self.macd_hist = macd_hist
+	def set_macd_div(self, macd_div):
+		self.macd_div = macd_div
+	def cal_macd_div(self):
+		self.macd_div = 0.0
+		if self.pre and self.pre.pre:
+			if self.pre.pre.macd_hist == 0:
+				self.macd_div = 0.0
+			else:
+				self.macd_div = self.macd_hist / self.pre.pre.macd_hist
+			#print(self.start_time, self.end_time, self.macd_hist, self.pre.pre.macd_hist, self.macd_div)
+	def cal_macdhist(self):
+		self.macd_hist = 0
+		for klc in self.klc_list:
+			for klu in klc.klu_list:
+				if self.dir == Chan_BI_DIR.UP and klu.macdhist > 0: 
+					self.macd_hist += klu.macdhist
+				if self.dir == Chan_BI_DIR.DOWN and klu.macdhist < 0:
+					self.macd_hist -= klu.macdhist
+	def check_bi_zs_overlap(self):
+		if self.next and self.next.next:
+			if self.dir == Chan_BI_DIR.UP:
+				return self.low < self.next.next.high
+			else:
+				return self.high > self.next.next.low
+		else:
+			return False
+	def check_overlap(self):
+		if self.next and self.next.next and self.next.next.is_sure:
+			if self.dir == Chan_BI_DIR.UP:
+				return self.high > self.next.low and self.high < self.next.next.high
+			else:
+				return self.high > self.next.high and self.low > self.next.next.low
+		else:
+			return False
+	def set_end_klc(self, klc, sure_klc):
+		if self.dir == Chan_BI_DIR.UP and klc.high > self.high:
+			self.high = klc.high
+		if self.dir == Chan_BI_DIR.DOWN and klc.low < self.low:
+			self.low = klc.low
+		self.end_klc = klc
+		self.set_is_sure(True, sure_klc.end_time)
+		self.end_time = klc.end_time
+		self.cal_properties()
+		#print(self.start_time, klc.fx, "This bi is ended", len(self.klc_list), klc.index - self.start_klc.index)
+	def cal_properties(self):
+		if self.is_sure:
+			self.height = float(format(self.high - self.low, ".2f"))
+			self.width = self.end_klc.index - self.start_klc.index
+			self.slop = float(format(self.height / self.width, ".2f"))
+			fib_list = [0.0, 0.236, 0.382, 0.5, 0.618, 0.786, 1.0]
+			for fib in fib_list:
+				self.fib_list.append(float(format(self.height * fib + self.low, ".2f")))
+		#print(self.end_time, self.height, self.width, self.slop, self.fib_list)
+	def set_is_sure(self, is_sure, time):
+		self.is_sure = is_sure
+		self.sure_time = time
+	def set_start_klc(self, klc, ddir):
+		self.start_klc = klc
+		self.klc_list = []
+		self.klc_list.append(klc)
+		self.high = klc.high
+		self.low = klc.low
+		self.dir = ddir
+	def set_pre(self, bi):
+		self.pre = bi
+	def set_next(self, bi):
+		self.next = bi
+	def add_klc(self, klc):
+		added = False
+		if len(self.klc_list) > 0:
+			for index in range(0, len(self.klc_list)):
+				if self.klc_list[index].index == klc.index:
+					added = True
+					break
+		if not added:
+			self.klc_list.append(klc)
+			#print(self.start_time, klc.start_time)
+		#print(klc.end_time, klc.index)
+		self.end_klc = klc
+		self.end_time = klc.klu_list[-1].time
+		self.cal_macdhist()
+		self.cal_macd_div()
+	def append_klc_list(self, klc_list):
+		self.klc_list.append(klc_list)
+	def get_decimal(self, value):
+		return Decimal("{:.2f}".format(value))
+	def update_bi(self, klc):
+		self.end_klc = None
+		if self.dir == Chan_BI_DIR.UP and klc.high > self.high:
+			self.high = klc.high
+		if self.dir == Chan_BI_DIR.DOWN and klc.low < self.low:
+			self.low = klc.low
+		self.is_sure = False
+		self.sure_time = None
+		#print(self.start_time, klc.start_time, klc.fx, "This bi is extended")