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✍️ Handwriting → AI Chat

Write anything on the canvas, then hit Send to get a response

\n\n

\n Color:\n \n \n \n \n Size:\n \n

\n\n\n\n

You wrote

AI Response

\n\n\n\n`;\n\nexport default async function(req: Request): Promise {\n const url = new URL(req.url);\n\n // API endpoint\n if (url.pathname === \"/api/chat\" && req.method === \"POST\") {\n try {\n const { image } = await req.json();\n if (!image) {\n return Response.json({ error: \"No image provided\" }, { status: 400 });\n }\n\n // Step 1: OCR — ask GPT-4o to read the handwriting\n const ocrResult = await openai.chat.completions.create({\n model: \"gpt-4o\",\n max_tokens: 300,\n messages: [\n {\n role: \"user\",\n content: [\n {\n type: \"text\",\n text: \"Read the handwritten text in this image. Return ONLY the text you can read, nothing else. 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Diff · v2