Add lazy caching & negative prompt

app.py

@@ -173,6 +173,7 @@ def get_image_size(aspect_ratio):
 @spaces.GPU(duration=120)
 def infer(
     prompt,
+    negative_prompt="text, watermark, copyright, blurry, low resolution",
     seed=42,
     randomize_seed=False,
     aspect_ratio="16:9",
@@ -184,8 +185,6 @@ def infer(
     """
     Generates an image using the local Qwen-Image diffusers pipeline.
     """
-    # Hardcode the negative prompt as requested
-    negative_prompt = "text, watermark, copyright, blurry, low resolution"
     
     if randomize_seed:
         seed = random.randint(0, MAX_SEED)
@@ -212,7 +211,7 @@ def infer(
         num_inference_steps=num_inference_steps,
         generator=generator,
         true_cfg_scale=guidance_scale,
-        guidance_scale=1.0  # Use a fixed default for distilled guidance
+        guidance_scale=1.0  
     ).images[0]
 
     return image, seed
@@ -271,6 +270,7 @@ with gr.Blocks(css=css) as demo:
                     choices=["1:1", "16:9", "9:16", "4:3", "3:4", "3:2", "2:3"],
                     value="16:9",
                 )
+                negative_prompt = gr.Text(label="Negative Prompt", value="text, watermark, copyright, blurry, low resolution")
                 prompt_enhance = gr.Checkbox(label="Prompt Enhance", value=True)
 
             with gr.Row():
@@ -290,14 +290,14 @@ with gr.Blocks(css=css) as demo:
                     value=50,
                 )
 
-        gr.Examples(examples=examples, inputs=[prompt], outputs=[result, seed], fn=infer, cache_examples=False)
+        gr.Examples(examples=examples, inputs=[prompt], outputs=[result, seed], fn=infer, cache_examples="lazy")
 
     gr.on(
         triggers=[run_button.click, prompt.submit],
         fn=infer,
         inputs=[
             prompt,
-            # negative_prompt is no longer an input from the UI
+            negative_prompt,
             seed,
             randomize_seed,
             aspect_ratio,