feat: adapt image tuning by engine

lib/server/generation-service.ts

@@ -42,6 +42,7 @@ export type SubmitImageJobInput = {
   max_ratio?: number;
   force_single?: boolean;
   resolution?: "4k" | "8k";
+  quality?: string;
   seed?: number;
   retryOf?: string;
   idempotencyKey?: string;