[fix] encoding images

src/ts/image.ts

@@ -86,4 +86,20 @@ export async function getInlayImage(id: string){
 export function supportsInlayImage(){
     const db = get(DataBase)
     return db.aiModel.startsWith('gptv') || (db.aiModel === 'reverse_proxy' && db.proxyRequestModel?.startsWith('gptv'))
+}
+
+export async function reencodeImage(img:Uint8Array){
+    const canvas = document.createElement('canvas')
+    const imgObj = new Image()
+    imgObj.src = URL.createObjectURL(new Blob([img], {type: `image/png`}))
+    await imgObj.decode()
+    let drawHeight = imgObj.height
+    let drawWidth = imgObj.width
+    canvas.width = drawWidth
+    canvas.height = drawHeight
+    const ctx = canvas.getContext('2d')
+    ctx.drawImage(imgObj, 0, 0, drawWidth, drawHeight)
+    const b64 = canvas.toDataURL('image/png').split(',')[1]
+    const b = Buffer.from(b64, 'base64')
+    return b
 }