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# 数据模型与存储
四表结构,清晰的实体关系
<div class="flex justify-center">
<img src="../public/data-model.svg" class="w-full max-h-[240px] object-contain" />
</div>
<div class="grid grid-cols-2 gap-4 mt-2">
<v-clicks>
<Item title="👤 USER + PROJECT">
用户:`id`(base62)、`username`、`password_hash`(bcrypt)
工程:`id`、`user_id`、`name`
</Item>
<Item title="🎨 STYLE + TASK + ASSET">
风格表:`project_id` 一对一,`kv_pairs` JSON
任务:`prompt`、`status`、`progress`
素材:`file_url`、`metadata`
</Item>
</v-clicks>
</div>