refactor: 移除 slug 自动生成器中的冗余状态变量

src/lib/utils/slugify.ts

@@ -35,7 +35,6 @@ export function createSlugAutoHandler(opts: {
 }) {
 	const delay = opts.delayMs ?? 400;
 	let timer: ReturnType<typeof setTimeout> | null = null;
-	let isGenerating = false;
 
 	return {
 		/**
@@ -53,13 +52,11 @@ export function createSlugAutoHandler(opts: {
 			}
 
 			timer = setTimeout(async () => {
-				isGenerating = true;
 				const generated = await fetchSlug(nameValue);
 				// 在异步返回后，再次确认用户期间没有手动修改 slug
 				if (!opts.getIsUserModified() && generated) {
 					opts.setSlug(generated);
 				}
-				isGenerating = false;
 			}, delay);
 		},