feat: Revamp EPUB import process with batch upload support and enhanced API integration

- Introduced a new batch import client for handling multiple EPUB files simultaneously.
- Updated API routes for previewing and importing EPUB files, improving error handling and response management.
- Enhanced genre management during import, allowing for dynamic creation and association of genres.
- Implemented long-fetch handling to accommodate lengthy processing times for large EPUB files.
- Refined UI components for better user experience in the import workflow.

app/mod/import/import-client.tsx

@@ -257,6 +257,10 @@ export function ImportClient() {
         setSelectedGenreIds(ensuredIds)
       }
       setShortDescription(data?.shortDescription || "")
+      const st = typeof data?.suggestedStatus === "string" ? data.suggestedStatus.trim() : ""
+      if (st === "Đang ra" || st === "Hoàn thành" || st === "Tạm ngưng") {
+        setStatus(st)
+      }
       toast.success("Đã áp dụng gợi ý AI")
     } catch (error) {
       toast.error(error instanceof Error ? error.message : "AI suggest lỗi")