Minor cleanup and fixes

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/handler/api/unit/accessorytab.go

@@ -1,20 +1,25 @@
 package unit
 
 import (
-	"encoding/json"
 	unitapischema "honoka-chan/internal/schema/api/unit"
-	"honoka-chan/pkg/utils"
+	honokautils "honoka-chan/internal/utils"
 	"time"
 )
 
 func unitAccessoryTab() (res any, err error) {
-	data := utils.ReadAllText("assets/serverdata/accessoryTab.json")
-	resp := unitapischema.AccessoryTabResp{}
-	err = json.Unmarshal([]byte(data), &resp)
+	tabList, err := honokautils.LoadServerData[[]unitapischema.TabList]("accessory_tab_list.json")
 	if err != nil {
 		return nil, err
 	}
-	resp.TimeStamp = time.Now().Unix()
 
-	return resp, err
+	res = unitapischema.AccessoryTabResp{
+		Result: unitapischema.AccessoryTabData{
+			TabList: tabList,
+		},
+		Status:     200,
+		CommandNum: false,
+		TimeStamp:  time.Now().Unix(),
+	}
+
+	return res, err
 }