<Broadcast Control>

\n \n

\n\n \n \n\n`;\n}\n\n// --- VAL TOWN SERVER-SIDE LOGIC ---\nexport default async function (req: Request) {\n const url = new URL(req.url);\n const action = url.searchParams.get(\"action\");\n\n // Handle POST requests for AI text generation\n if (req.method === \"POST\" && action === \"generateText\") {\n try {\n const openai = new OpenAI();\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [{ role: \"system\", content: SIGN_TEXT_PROMPT }],\n temperature: 0.9,\n response_format: { type: \"json_object\" },\n });\n\n const content = completion.choices[0].message.content;\n\n // Robustly extract JSON from the AI's response\n const jsonMatch = content.match(/\\{.*\\}/s);\n if (!jsonMatch) {\n throw new Error(\"AI response did not contain valid JSON.\");\n }\n\n const parsedContent = JSON.parse(jsonMatch[0]);\n if (!parsedContent.text || typeof parsedContent.text !== \"string\") {\n throw new Error(\"AI response JSON is missing the 'text' field.\");\n }\n\n return new Response(JSON.stringify(parsedContent), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n } catch (error) {\n console.error(\"AI Text Generation Error:\", error);\n return new Response(\n JSON.stringify({\n error: error.message || \"An unknown error occurred.\",\n }),\n {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n }\n\n // Serve the HTML application for GET requests\n const sourceUrl = `https://${url.hostname}${url.pathname}`;\n return new Response(generateHtml(sourceUrl), {\n headers: { \"Content-Type\": \"text/html\" },\n });\n}","deleted","label",[99],"permalink","https://www.val.town/x/realtime/arm/code/main.ts","extension","actionData","errors"]