fix: 密码重置链路断裂与店铺模板类型不兼容

删除 users-api 的 forgot-password 空壳路由，email-api 的
forgotPasswordLogic 复用 sendVerificationCode 实现。shop 的
UpdateTemplateReq.Sections 从 interface{} 改为 string 以兼容
go-zero 反序列化。ResetPasswordReq.Phone 加 optional tag。

app/shop/api/internal/logic/shop/updateShopTemplateLogic.go

@@ -5,7 +5,6 @@ package shop
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 
 	"juwan-backend/app/shop/api/internal/svc"
@@ -48,11 +47,6 @@ func (l *UpdateShopTemplateLogic) UpdateShopTemplate(req *types.UpdateTemplateRe
 		return nil, contextj.ERRILLEGALUSER
 	}
 
-	templateBytes, err := json.Marshal(map[string]any{"sections": req.Sections})
-	if err != nil {
-		return nil, errors.New("invalid sections")
-	}
-
 	_, err = l.svcCtx.ShopRpc.UpdateShops(l.ctx, &pb.UpdateShopsReq{
 		Id:                     shop.Shops.Id,
 		OwnerId:                shop.Shops.OwnerId,
@@ -68,7 +62,7 @@ func (l *UpdateShopTemplateLogic) UpdateShopTemplate(req *types.UpdateTemplateRe
 		AllowIndependentOrders: shop.Shops.AllowIndependentOrders,
 		DispatchMode:           shop.Shops.DispatchMode,
 		Announcements:          shop.Shops.Announcements,
-		TemplateConfig:         string(templateBytes),
+		TemplateConfig:         req.Sections,
 	})
 	if err != nil {
 		return nil, err