Feat : Skills

open-sse/handlers/imageProviders/gemini.js

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+// Google Gemini adapter (Nano Banana models)
+import { nowSec } from "./_base.js";
+
+const BASE_URL = "https://generativelanguage.googleapis.com/v1beta/models";
+
+export default {
+  buildUrl: (model, creds) => {
+    const apiKey = creds?.apiKey || creds?.accessToken;
+    const modelId = model.replace(/^models\//, "");
+    return `${BASE_URL}/${modelId}:generateContent?key=${encodeURIComponent(apiKey)}`;
+  },
+  buildHeaders: () => ({ "Content-Type": "application/json" }),
+  buildBody: (_model, body) => ({
+    contents: [{ parts: [{ text: body.prompt }] }],
+    generationConfig: { responseModalities: ["TEXT", "IMAGE"] },
+  }),
+  normalize: (responseBody, prompt) => {
+    const parts = responseBody.candidates?.[0]?.content?.parts || [];
+    const images = parts.filter((p) => p.inlineData?.data).map((p) => ({ b64_json: p.inlineData.data }));
+    return {
+      created: nowSec(),
+      data: images.length > 0 ? images : [{ b64_json: "", revised_prompt: prompt }],
+    };
+  },
+};