新增自定义时间段批量打分功能：支持设置日期区间，对区间内每天自动拉取数据并打分

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/backend/internal/router/router.go

@@ -32,6 +32,7 @@ func New(d *handlers.Deps, dist fs.FS) http.Handler {
 			r.Get("/candles", d.ListCandles)
 			r.Post("/run", d.RunPipeline)
 			r.Post("/run/batch", d.RunBatch)
+			r.Post("/run/range", d.RunRange)
 
 			r.Group(func(r chi.Router) {
 				r.Use(mw.RequireAdmin)