lower cfg to 2.

imageGenerator.js

@@ -7,7 +7,7 @@ const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const COMFYUI_URL = process.env.COMFYUI_URL || "http://localhost:8188";
 
 // Drawing style prefix
-const STYLE_PREFIX = `clean line art, minimalist sketch, concept art sketch, black and white line drawing, lots of white space, sparse shading, simple hatching, very low detail, subtle color accent`;
+const STYLE_PREFIX = `clean line art, minimalist sketch, concept art sketch, black and white line drawing, lots of white space, sparse shading, simple black hatching, very low detail, subtle color accent`;
 
 // 1. Generate engineered visual prompt
 async function generateVisualPrompt(flavor) {
@@ -51,7 +51,7 @@ function buildComfyWorkflow(promptText, negativeText = "") {
       "inputs": {
         "seed": Math.floor(Math.random() * 100000),
         "steps": 4,
-        "cfg": 3,
+        "cfg": 2,
         "sampler_name": "euler",
         "scheduler": "simple",
         "denoise": 1,