refactor: initialize expert catalog from initdb

backend/internal/logic/ai/handlers_test.go

@@ -17,6 +17,7 @@ import (
 	"gorm.io/gorm/logger"
 	"senlinai-agent/backend/internal/config"
 	"senlinai-agent/backend/internal/httpx"
+	"senlinai-agent/backend/internal/initdb"
 	"senlinai-agent/backend/internal/models"
 )
 
@@ -333,6 +334,7 @@ func newAIHandlerTestDB(t *testing.T) *gorm.DB {
 	database, err := gorm.Open(sqlite.Open(fmt.Sprintf("file:%s?mode=memory&cache=shared", t.Name())), &gorm.Config{Logger: logger.Default.LogMode(logger.Silent)})
 	require.NoError(t, err)
 	require.NoError(t, models.AutoMigrate(database))
+	require.NoError(t, initdb.InitExpert(database))
 	models.DBService = database
 	return database
 }