重构(#4): 抽奖奖品改/删 id 走 URL path（RESTful）

- PUT /admin/lottery/prizes/:id、DELETE /admin/lottery/prizes/:id
- handler 从 c.Param("id") 取 id；types 用 path:"id"
- 同步 apis/admin/lottery.api 定义

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

internal/handler/admin/lottery/lottery_handler.go

@@ -2,6 +2,8 @@
 package lottery
 
 import (
+	"strconv"
+
 	"github.com/gin-gonic/gin"
 	adminlottery "github.com/perfect-panel/server/internal/logic/admin/lottery"
 	"github.com/perfect-panel/server/internal/svc"
@@ -118,6 +120,9 @@ func UpdateLotteryPrizeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context)
 	return func(c *gin.Context) {
 		var req types.UpdateAdminLotteryPrizeRequest
 		_ = c.ShouldBind(&req)
+		if id, err := strconv.ParseInt(c.Param("id"), 10, 64); err == nil {
+			req.Id = id
+		}
 		if err := svcCtx.Validate(&req); err != nil {
 			result.ParamErrorResult(c, err)
 			return
@@ -132,6 +137,9 @@ func DeleteLotteryPrizeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context)
 	return func(c *gin.Context) {
 		var req types.AdminPrizeIdRequest
 		_ = c.ShouldBind(&req)
+		if id, err := strconv.ParseInt(c.Param("id"), 10, 64); err == nil {
+			req.Id = id
+		}
 		if err := svcCtx.Validate(&req); err != nil {
 			result.ParamErrorResult(c, err)
 			return