feat: 添加异步数据入库任务系统，支持全量/增量更新与实时进度展示

新增完整的异步任务管理体系：
1. 新增Redis缓存层实现任务状态实时存储与降级机制
2. 实现并发拉取+批量写入的高性能入库流程
3. 添加任务管理HTTP接口与路由
4. 重构行情控制器使用共享SQLite存储
5. 配套添加Docker Compose Redis启动配置
6. 前端新增任务管理面板支持操作与进度查看

internal/controller/api.go

@@ -15,14 +15,15 @@ import (
 )
 
 // MarketController 提供行情与回测相关的 HTTP 接口。
+// store 为共享 SQLite 存储，与 job.Manager 共用同一连接池，避免每次请求重复开关连接。
 type MarketController struct {
-	svc    *service.MarketService
-	dbPath string
+	svc   *service.MarketService
+	store *sqlite.Store
 }
 
 // NewMarketController 创建行情控制器。
-func NewMarketController(svc *service.MarketService, dbPath string) *MarketController {
-	return &MarketController{svc: svc, dbPath: dbPath}
+func NewMarketController(svc *service.MarketService, store *sqlite.Store) *MarketController {
+	return &MarketController{svc: svc, store: store}
 }
 
 // ListBonds 处理 GET /api/bonds，返回全量可转债实时行情。
@@ -93,13 +94,7 @@ func (c *MarketController) RunBacktest(w http.ResponseWriter, r *http.Request) {
 	}
 
 	ctx := r.Context()
-
-	store, err := sqlite.Open(c.dbPath)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, err)
-		return
-	}
-	defer store.Close()
+	store := c.store
 
 	feed, err := backtest.NewDataFeed(ctx, store)
 	if err != nil {
@@ -127,53 +122,53 @@ func (c *MarketController) RunBacktest(w http.ResponseWriter, r *http.Request) {
 			MaxPrice:  req.MaxPrice,
 		})
 	case "doublelow":
-			strat = strategy.NewDoubleLow(strategy.DoubleLowParams{
-				TopN:       req.TopN,
-				Rebalance:  req.Rebalance,
-				MinPrice:   req.MinPrice,
-				MaxPrice:   req.MaxPrice,
-				MaxPremium: req.MaxPremium,
-			})
-		case "premium":
-			strat = strategy.NewPremium(strategy.PremiumParams{
-				TopN:      req.TopN,
-				Rebalance: req.Rebalance,
-				MinPrice:  req.MinPrice,
-				MaxPrice:  req.MaxPrice,
-			})
-		default:
+		strat = strategy.NewDoubleLow(strategy.DoubleLowParams{
+			TopN:       req.TopN,
+			Rebalance:  req.Rebalance,
+			MinPrice:   req.MinPrice,
+			MaxPrice:   req.MaxPrice,
+			MaxPremium: req.MaxPremium,
+		})
+	case "premium":
+		strat = strategy.NewPremium(strategy.PremiumParams{
+			TopN:      req.TopN,
+			Rebalance: req.Rebalance,
+			MinPrice:  req.MinPrice,
+			MaxPrice:  req.MaxPrice,
+		})
+	default:
 		writeError(w, http.StatusBadRequest, err)
 		return
 	}
 
 	engine := backtest.NewEngine(params, strat)
 
-		if req.Fundamental {
-			fundamentals, err := store.LoadAllFundamentals(ctx)
-			if err != nil {
-				writeError(w, http.StatusInternalServerError, fmt.Errorf("加载基本面数据: %w", err))
-				return
-			}
-			stock2bond, err := store.GetStockBondMap(ctx)
-			if err != nil {
-				writeError(w, http.StatusInternalServerError, fmt.Errorf("获取正股映射: %w", err))
-				return
-			}
-			filter := backtest.NewFundamentalFilter(stock2bond)
-			engine.SetFundamentalFilter(filter, fundamentals)
-			log.Printf("基本面过滤器已启用：%d 只正股数据", len(fundamentals))
+	if req.Fundamental {
+		fundamentals, err := store.LoadAllFundamentals(ctx)
+		if err != nil {
+			writeError(w, http.StatusInternalServerError, fmt.Errorf("加载基本面数据: %w", err))
+			return
 		}
+		stock2bond, err := store.GetStockBondMap(ctx)
+		if err != nil {
+			writeError(w, http.StatusInternalServerError, fmt.Errorf("获取正股映射: %w", err))
+			return
+		}
+		filter := backtest.NewFundamentalFilter(stock2bond)
+		engine.SetFundamentalFilter(filter, fundamentals)
+		log.Printf("基本面过滤器已启用：%d 只正股数据", len(fundamentals))
+	}
 
-		res, err := engine.Run(ctx, feed)
-			if err != nil {
-				writeError(w, http.StatusInternalServerError, err)
-				return
-			}
+	res, err := engine.Run(ctx, feed)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err)
+		return
+	}
 
-			log.Printf("backtest done: %s, start=%s, end=%s, totalReturn=%.2f%%, curvePoints=%d, tradeDays=%d",
-				res.Strategy, res.Start, res.End, res.Metrics.TotalReturn*100, len(res.Curve), res.Metrics.TradeDays)
+	log.Printf("backtest done: %s, start=%s, end=%s, totalReturn=%.2f%%, curvePoints=%d, tradeDays=%d",
+		res.Strategy, res.Start, res.End, res.Metrics.TotalReturn*100, len(res.Curve), res.Metrics.TradeDays)
 
-		bench := computeBenchmarkJSON(feed, req.StartDate, req.EndDate)
+	bench := computeBenchmarkJSON(feed, req.StartDate, req.EndDate)
 
 	writeJSON(w, http.StatusOK, map[string]any{
 		"strategy":     res.Strategy,
@@ -251,12 +246,7 @@ type DBBond struct {
 // ListDBBonds 处理 GET /api/db/bonds，返回数据库中已有的转债列表。
 func (c *MarketController) ListDBBonds(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
-	store, err := sqlite.Open(c.dbPath)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, err)
-		return
-	}
-	defer store.Close()
+	store := c.store
 
 	codes, err := store.ListCodes(ctx)
 	if err != nil {
@@ -282,14 +272,8 @@ func (c *MarketController) ListDBBonds(w http.ResponseWriter, r *http.Request) {
 // GetDataStatus 处理 GET /api/status，返回数据库状态信息。
 func (c *MarketController) GetDataStatus(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
-	status := DataStatus{DBPath: c.dbPath}
-
-	store, err := sqlite.Open(c.dbPath)
-	if err != nil {
-		writeJSON(w, http.StatusOK, status) // 返回部分信息
-		return
-	}
-	defer store.Close()
+	store := c.store
+	status := DataStatus{DBPath: c.store.Path()}
 
 	codes, err := store.ListCodes(ctx)
 	if err == nil {