add capability to use default model if a default is provided via api

index.js

@@ -2,7 +2,7 @@ import "dotenv/config";
 import { generateDungeon } from "./dungeonGenerator.js";
 import { generateDungeonImages } from "./imageGenerator.js";
 import { generatePDF } from "./generatePDF.js";
-import { OLLAMA_MODEL } from "./ollamaClient.js";
+import { OLLAMA_MODEL, initializeModel } from "./ollamaClient.js";
 
 // Utility to create a filesystem-safe filename from the dungeon title
 function slugify(text) {
@@ -18,6 +18,9 @@ function slugify(text) {
       throw new Error("OLLAMA_API_URL environment variable is required");
     }
     console.log("Using Ollama API URL:", process.env.OLLAMA_API_URL);
+    
+    // Initialize model (will fetch default from API or use fallback)
+    await initializeModel();
     console.log("Using Ollama model:", OLLAMA_MODEL);
 
     // Generate the dungeon data