chore: baseline snapshot before moderation-strictness feature

Repo .git was damaged (refs/ missing, index truncated, object store near-empty).
Repaired via git init (rebuilt refs), stale index preserved as .git/index.corrupt-20260910.bak,
then full worktree committed as a rollback baseline.

internal/dbutil/model.go

@@ -0,0 +1,24 @@
+// Copyright 2022 E99p1ant. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package dbutil
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// Model a basic GoLang struct which includes the following fields: ID, CreatedAt, UpdatedAt, DeletedAt
+// It may be embedded into your model or you may build your own model without it
+//
+//	type User struct {
+//	  gorm.Model
+//	}
+type Model struct {
+	ID        uint           `gorm:"primarykey" json:"id"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"-"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+}