feat(skills): 技能管理 - 增加可选的平台子分类策展 (#693)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

backend/internal/handler/skill_curation.go

@@ -0,0 +1,54 @@
+package handler
+
+import (
+	"encoding/json"
+	"github.com/gin-gonic/gin"
+	"infinite-canvas/backend/internal/service"
+	"io"
+	"net/http"
+)
+
+func registerSkillCurationRoutes(r *gin.RouterGroup, svc *service.Service) {
+	read := func(admin bool) gin.HandlerFunc {
+		return func(c *gin.Context) {
+			actor, err := currentUser(c, svc)
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			result, err := svc.SkillCuration(actor, admin)
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			ok(c, result)
+		}
+	}
+	r.GET("/skills/curation", read(false))
+	r.GET("/admin/skill-curation", read(true))
+	r.PUT("/admin/skill-curation", func(c *gin.Context) {
+		actor, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
+		dec := json.NewDecoder(c.Request.Body)
+		dec.DisallowUnknownFields()
+		var req service.SkillCurationUpdate
+		if err := dec.Decode(&req); err != nil {
+			failService(c, service.BadAuthRequest("分类请求格式无效"))
+			return
+		}
+		if err := dec.Decode(new(any)); err != io.EOF {
+			failService(c, service.BadAuthRequest("只允许一个请求对象"))
+			return
+		}
+		result, err := svc.UpdateSkillCuration(actor, req, RequestID(c))
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, result)
+	})
+}