fix: CI 三个 type error + build font 下载修复

1. ArchivePanel: category 类型 string|null 兼容
2. OG png: Buffer as BodyInit 类型断言
3. Navbar: LightDarkSwitch client:only ts-ignore
4. language-badge: _cssVar 未使用警告
5. build.yml: pnpm astro build → pnpm build（触发字体下载）

小橘 🍊（NEKO Team）

.github/workflows/build.yml

@@ -64,4 +64,4 @@ jobs:
         run: pnpm install --frozen-lockfile
 
       - name: Run Astro Build
-        run: pnpm astro build
+        run: pnpm build

src/components/ArchivePanel.svelte

@@ -19,7 +19,7 @@ interface Post {
 	data: {
 		title: string;
 		tags: string[];
-		category?: string;
+		category?: string | null;
 		published: Date;
 	};
 }

src/components/Navbar.astro

@@ -52,6 +52,7 @@ let links: NavBarLink[] = navBarConfig.links.map(
                         <Icon name="material-symbols:palette-outline" class="text-[1.25rem]"></Icon>
                     </button>
             )}
+            {/* @ts-ignore - Svelte client:only directive */}
             <LightDarkSwitch client:only="svelte"></LightDarkSwitch>
             <button aria-label="Menu" name="Nav Menu" class="btn-plain scale-animation rounded-lg w-11 h-11 active:scale-90 md:!hidden" id="nav-menu-switch">
                 <Icon name="material-symbols:menu-rounded" class="text-[1.25rem]"></Icon>

src/pages/og/[...slug].png.ts

@@ -237,7 +237,7 @@ export const GET: APIRoute = async ({ props }) => {
 
   const png = await sharp(Buffer.from(svg)).png().toBuffer();
 
-  return new Response(png, {
+  return new Response(png as unknown as BodyInit, {
     headers: {
       "Content-Type": "image/png",
       "Cache-Control": "public, max-age=31536000, immutable",

src/plugins/expressive-code/language-badge.ts

@@ -7,7 +7,7 @@ export function pluginLanguageBadge() {
 	return definePlugin({
 		name: "Language Badge",
 		// @ts-expect-error
-		baseStyles: ({ _cssVar }) => `
+		baseStyles: ({ _cssVar: _ }) => `
       [data-language]::before {
         position: absolute;
         z-index: 2;