fix(web): 自动刷新保留 K 线视窗；威科夫与图表增量更新

自动刷新改用 tail update 与 scrollToPosition 恢复视窗，避免 setData 后跳到最右；拆分 chart_tv 模块并扩展 analyze/recent API。同步威科夫分析、pipeline 增量构建及相关策略与配置。

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

web/api/pages.py

@@ -1,5 +1,5 @@
 """页面路由。"""
-from flask import Blueprint, render_template, send_from_directory
+from flask import Blueprint, jsonify, render_template, request, send_from_directory
 from config import DATA_SERVICE_URL, DATA_SERVICE_WS_URL
 from services.runtime import *  # noqa: F403
 from services import runtime as R