improve api models endpoint

Author: 0xGingi

src/routes/api/models/+server.ts

@@ -20,8 +20,22 @@ export const GET: RequestHandler = async ({ request }) => {
 		const key = `nanogpt:${model.id}`;
 		const enabledModel = enabledModelsMap[key];
 
+		// Check capabilities based on architecture if not explicitly set
+		const outputModalities = model.architecture?.output_modalities || [];
+
+		const capabilities = {
+			vision: model.capabilities?.vision ?? false,
+			reasoning: model.capabilities?.reasoning ?? false,
+			// Add explicit image/video generation capabilities
+			images: outputModalities.includes('image') && outputModalities.length === 1,
+			video: outputModalities.includes('video'),
+		};
+
 		return {
 			...model,
+			capabilities,
+			// Ensure subscription info is always present with defaults
+			subscription: model.subscription || { included: false, note: '' },
 			enabled: !!enabledModel,
 			pinned: enabledModel?.pinned ?? false,
 		};