chore: reduce frontend lint warnings

src/features/image-workbench/ImageWorkbenchPage.tsx

@@ -21,7 +21,6 @@ import {
   ScissorOutlined,
   SwapOutlined,
   TableOutlined,
-  ThunderboltOutlined,
 } from "@ant-design/icons";
 import { useCallback, useEffect, useRef, useState, type DragEvent } from "react";
 import "../../styles/pages/more-tools.css";
@@ -30,7 +29,6 @@ import type { WebImageWorkbenchTool, WebViewKey } from "../../types";
 import { aiGenerationClient } from "../../api/aiGenerationClient";
 import { waitForTask } from "../../api/taskSubscription";
 import { saveToolTaskState, loadToolTaskState, clearToolTaskState } from "../workbench/toolKeepalive";
-import { translateTaskError } from "../../utils/translateTaskError";
 import { addToolResultToAssetLibrary, saveToolResultToLocal } from "../workbench/toolResultActions";
 import { useCanvasDrawing } from "./useCanvasDrawing";
 import CameraViewport3D from "./CameraViewport3D";
@@ -40,7 +38,6 @@ type OutputSize = "9:16" | "16:9" | "4:3" | "3:4" | "1:1";
 type OutputCount = 1 | 2 | 3 | 4;
 
 const OUTPUT_SIZE_OPTIONS: OutputSize[] = ["9:16", "16:9", "4:3", "3:4", "1:1"];
-const OUTPUT_COUNT_OPTIONS: OutputCount[] = [1, 2, 3, 4];
 
 const SIZE_TO_RATIO: Record<OutputSize, string> = {
   "9:16": "9:16",