이전 버전에서 업로드된 파일을 청크 업로드 방식으로 마이그레이션할 수 있는 기능 추가

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

@@ -41,7 +41,7 @@ interface FileLogTable {
   id: Generated<number>;
   file_id: number;
   timestamp: ColumnType<Date, Date, never>;
-  action: "create" | "rename" | "add-to-category" | "remove-from-category";
+  action: "create" | "rename" | "migrate" | "add-to-category" | "remove-from-category";
   new_name: Ciphertext | null;
   category_id: number | null;
 }

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

@@ -3,7 +3,7 @@ import type { Ciphertext } from "./utils";
 
 interface UploadSessionTable {
   id: string;
-  type: "file" | "thumbnail";
+  type: "file" | "thumbnail" | "migration";
   user_id: number;
   path: string;
   total_chunks: number;