파일 업로드 방식을 Chunking 방식으로 변경

src/lib/server/db/schema/upload.ts

@@ -0,0 +1,26 @@
+import type { Generated } from "kysely";
+import type { Ciphertext } from "./util";
+
+interface UploadSessionTable {
+  id: Generated<string>;
+  user_id: number;
+  total_chunks: number;
+  uploaded_chunks: Generated<number[]>;
+  expires_at: Date;
+
+  parent_id: number | null;
+  master_encryption_key_version: number;
+  encrypted_data_encryption_key: string; // Base64
+  data_encryption_key_version: Date;
+  hmac_secret_key_version: number | null;
+  content_type: string;
+  encrypted_name: Ciphertext;
+  encrypted_created_at: Ciphertext | null;
+  encrypted_last_modified_at: Ciphertext;
+}
+
+declare module "./index" {
+  interface Database {
+    upload_session: UploadSessionTable;
+  }
+}