sharp by wasm

src/tools/search-images.js

@@ -1,6 +1,6 @@
 import fs from 'fs';
 import path from 'path';
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import { defineTool, ToolError } from 'libllmorbiter';
 import * as dbCompanySetting from '../db/companysetting.js';
 import { prepareVfs, syncVfsToDb } from './vfs.js';
@@ -118,11 +118,20 @@ async function toAvif(img, { signal } = {}) {
             const input = Buffer.from(await res.arrayBuffer());
             if (input.length === 0) continue;
 
-            return await sharp(input)
-                .rotate() // honour EXIF orientation before resizing
-                .resize(MAX_EDGE, MAX_EDGE, { fit: 'inside', withoutEnlargement: true })
-                .avif({ quality: AVIF_QUALITY })
-                .toBuffer();
+            const meta = await optimizeImage({ image: input, format: 'none' });
+            const srcW = meta.originalWidth || 0;
+            const srcH = meta.originalHeight || 0;
+            const needsResize = srcW > MAX_EDGE || srcH > MAX_EDGE;
+            const scale = needsResize ? Math.min(MAX_EDGE / srcW, MAX_EDGE / srcH) : 1;
+            const out = await optimizeImage({
+                image: input,
+                width: needsResize ? Math.max(1, Math.round(srcW * scale)) : undefined,
+                height: needsResize ? Math.max(1, Math.round(srcH * scale)) : undefined,
+                fit: 'fill',
+                format: 'avif',
+                quality: AVIF_QUALITY,
+            });
+            return Buffer.from(out.data);
         } catch {
             // Try the next candidate URL; a dead imageUrl with a live thumbnail is common.
         }