feat: 多检测方式推荐引擎（#20，设备/紧急/操作者/成本偏好）

server-go/internal/handler/detection_method.go

@@ -0,0 +1,34 @@
+package handler
+
+import (
+	"net/http"
+
+	"silk-server-go/internal/middleware"
+	"silk-server-go/internal/service"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+// RegisterDetectionMethodRoutes 注册检测方式推荐路由
+func RegisterDetectionMethodRoutes(rg *gin.RouterGroup, db *gorm.DB) {
+	rg.GET("/detection-methods/recommend",
+		middleware.RequirePermission(db, "lamp:read"),
+		recommendDetectionMethod())
+}
+
+// recommendDetectionMethod 按设备/紧急/操作者/成本偏好推荐检测方式（纯计算）
+func recommendDetectionMethod() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		in := service.DetectionRecommendInput{
+			HasLamp:          c.Query("hasLamp") == "true",
+			HasSers:          c.Query("hasSers") == "true",
+			HasQPCR:          c.Query("hasQpcr") == "true",
+			HasHyperspectral: c.Query("hasHyperspectral") == "true",
+			Urgency:          c.DefaultQuery("urgency", "routine"),
+			OperatorLevel:    c.DefaultQuery("operatorLevel", "expert"),
+			CostPreference:   c.DefaultQuery("costPreference", "balanced"),
+		}
+		c.JSON(http.StatusOK, service.RecommendMethod(in))
+	}
+}