fix model endpoint routing: properly route custom endpoint models to custom API with correct credentials

src/config.js

@@ -83,13 +83,28 @@ export async function getAPIConfig() {
 			const { getSelectedModel } = await import("./models.js");
 			const selectedModel = getSelectedModel();
 			
-			// Check if the selected model has a registered endpoint - use that instead of custom
+			// Check if the selected model has a registered endpoint
 			const { getSelectedModelEndpoint } = await import("./models.js");
 			const modelEndpoint = getSelectedModelEndpoint();
 			
-			// If model has its own endpoint, use that regardless of custom setting
-			if (modelEndpoint && modelEndpoint !== customBaseURL) {
-				console.log("🚀 Model has registered endpoint - using:", modelEndpoint);
+			// If model endpoint matches custom endpoint, use custom API credentials
+			if (modelEndpoint === customBaseURL) {
+				console.log("🔧 Model endpoint matches custom API - using custom credentials");
+				return {
+					isCustom: true,
+					endpoint: customBaseURL,
+					apiKey: customAPIKey,
+					model: selectedModel,
+					headers: {
+						"Authorization": `Bearer ${customAPIKey}`,
+						"Content-Type": "application/json"
+					}
+				};
+			}
+			
+			// If model has built-in endpoint (like Hermes), use that with built-in credentials
+			if (modelEndpoint && VLLM_ENDPOINTS.some(ep => ep.url === modelEndpoint)) {
+				console.log("🚀 Model has built-in endpoint - using:", modelEndpoint);
 				return {
 					isCustom: false,
 					endpoint: modelEndpoint,