修改了分型，笔，笔中枢方式，添加三类买卖点的识别

web/app.py

@@ -530,6 +530,9 @@ def analyze_chan(df, symbol=None, timeframe=None):
         bi_zs_list = [zs for group in bi_zs_nested for zs in (group or [])] if bi_zs_nested else []
     except Exception:
         bi_zs_list = []
+    bsp_list = []
+    if len(bi_zs_list) > 0:
+        bsp_list = chan.find_third_bsp(bi_list, bi_zs_list)
     # 添加买卖点识别
     for bi in bi_list:
         bi.cal_macdhist()