Feat/otc fund support - #7
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- 数据层由 Tsanghi 替换为免费 AkShare(新浪主源/东财兜底,带磁盘缓存) - 去头部/水印/底部,首页精简,支持个股,统一标的名称,去分享按钮 - 修复编辑参数500、回测网格区间对齐(0成交)、回测说明动态文案 - 性能优化(全量历史缓存+名称表磁盘缓存) - 首页支持分析前自定义网格参数 - 生产模式后端托管前端(单端口),新增 start.bat/start.command 一键启动
…cktest range to recent half year
…重去债券); 自定义标的去冒号独占一行
…layout); rebuild frontend bundle
…MA strategy shows it
Remove category and trade-count columns from the MA screener results table to reduce crowding (category filter chips remain); change per-row action link text from '详细回测' to 'more'.
场外(开放式)基金代码为6位数字，与场内个股/ETF/指数代码空间重叠 （如 000001 既是上证指数也是多只场外基金），无法从代码本身区分。 约定在代码开头或结尾加字母 F/O 作为标记，例如 F007339 / 007339F。 仅当剥离标记后剩余恰为6位数字时才判定为场外基金，避免误伤美股纯字母代码。 后端： - helper: 新增 parse_otc_marker / resolve_ticker，统一解析标记 + 判定市场 - data_service: 识别 type=FUND；新增开放式基金净值取数 (fund_open_fund_info_em 单位净值走势)，净值填充 OHLC、volume=0； 新增基金名称表 (fund_name_em) 内存+磁盘长缓存；基金直接用日线净值做回测K线 - etf_analysis_service / backtest_service: 贯通 sec_type_hint； 基金手续费按 ETF 口径（不套用个股最低5元佣金） - suitability_analyzer: 修复零成交量导致成交量变异系数为 NaN （会使响应 JSON 序列化非法，网格分析失败） - routes: 网格分析 / 均线回测 / 标的信息三个入口改用 resolve_ticker 前端： - 各代码输入框 maxLength 6→7，补充"场外基金加F"提示与占位符 - validateETFCode 与分析页路由正则放宽到7位 （原先卡在6位导致 /analysis/F007339 无法解析） - 重新构建并同步 static/ 实测 F007339（易方达沪深300ETF联接C）： 均线回测 SMA20 覆盖 1590 个交易日正常；网格分析 + 网格回测正常 （区间收益 4.29%、超额 4.11%、37 笔交易、胜率 76%）。
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