Feat : Skills

open-sse/handlers/ttsProviders/openai.js

@@ -0,0 +1,30 @@
+// OpenAI TTS — model format: "tts-model/voice"
+import { Buffer } from "node:buffer";
+
+export default {
+  async synthesize(text, model, credentials) {
+    if (!credentials?.apiKey) throw new Error("No OpenAI API key configured");
+
+    let ttsModel = "gpt-4o-mini-tts";
+    let voice = "alloy";
+    if (model && model.includes("/")) {
+      const parts = model.split("/");
+      if (parts.length === 2) [ttsModel, voice] = parts;
+    } else if (model) {
+      voice = model;
+    }
+
+    const baseUrl = (credentials.baseUrl || "https://api.openai.com").replace(/\/+$/, "");
+    const res = await fetch(`${baseUrl}/v1/audio/speech`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json", "Authorization": `Bearer ${credentials.apiKey}` },
+      body: JSON.stringify({ model: ttsModel, voice, input: text }),
+    });
+    if (!res.ok) {
+      const err = await res.json().catch(() => ({}));
+      throw new Error(err?.error?.message || `OpenAI TTS failed: ${res.status}`);
+    }
+    const buf = await res.arrayBuffer();
+    return { base64: Buffer.from(buf).toString("base64"), format: "mp3" };
+  },
+};