Feat : Skills

open-sse/handlers/imageProviders/runwayml.js

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+// Runway ML — async submit + /tasks/{id} polling
+import { sleep, nowSec, sizeToAspectRatio, POLL_INTERVAL_MS, POLL_TIMEOUT_MS } from "./_base.js";
+
+const BASE_URL = "https://api.dev.runwayml.com/v1";
+
+export default {
+  async: true,
+  buildUrl: (model) => {
+    // Image models (gen4_image*) → text_to_image; video models → image_to_video
+    return `${BASE_URL}/${model.includes("image") ? "text_to_image" : "image_to_video"}`;
+  },
+  buildHeaders: (creds) => {
+    const key = creds?.apiKey || creds?.accessToken;
+    return {
+      "Content-Type": "application/json",
+      "Authorization": `Bearer ${key}`,
+      "X-Runway-Version": "2024-11-06",
+    };
+  },
+  buildBody: (model, body) => {
+    const isVideo = !model.includes("image");
+    const ratio = sizeToAspectRatio(body.size);
+    if (isVideo) {
+      return { promptText: body.prompt, model, ratio, duration: 5, ...(body.image ? { promptImage: body.image } : {}) };
+    }
+    return { promptText: body.prompt, model, ratio, ...(body.image ? { referenceImages: [{ uri: body.image }] } : {}) };
+  },
+  async parseResponse(response, { headers }) {
+    const { id } = await response.json();
+    if (!id) throw new Error("Runway: no task id returned");
+    const taskUrl = `${BASE_URL}/tasks/${id}`;
+    const deadline = Date.now() + POLL_TIMEOUT_MS;
+    while (Date.now() < deadline) {
+      await sleep(POLL_INTERVAL_MS);
+      const r = await fetch(taskUrl, { headers });
+      if (!r.ok) throw new Error(`Runway status ${r.status}`);
+      const s = await r.json();
+      if (s.status === "SUCCEEDED") return s;
+      if (s.status === "FAILED" || s.status === "CANCELLED") throw new Error(s.failure || "Runway task failed");
+    }
+    throw new Error("Runway polling timeout");
+  },
+  normalize: (responseBody) => {
+    const outputs = Array.isArray(responseBody.output) ? responseBody.output : [];
+    return { created: nowSec(), data: outputs.map((url) => ({ url })) };
+  },
+};