ui: move key controls out of advanced settings and add seed dice

Improve usability by exposing paste-back mode and crop margin in the main panel, adding clearer refine guidance notes, and providing a one-click random seed generator.

Made-with: Cursor

app.py

@@ -770,10 +770,26 @@ leave it as-is to reference the whole image, or **brush on it** to specify exact
 可选上传第二张参考图来引导风格/内容——不涂抹则参考整张图，**涂抹则精确指定参考区域**。\
 """
 
+    _NOTE_EN = (
+        "For refinement tasks, prompts starting with **refine** usually work better. "
+        "The model also shows some grounding edit ability (for example **add**, **remove**, **modify**) "
+        "even without dedicated grounding training."
+    )
+    _NOTE_CN = (
+        "做 refine 任务时，prompt 以 **refine** 开头通常效果更好。"
+        "此外模型也具备一定 grounding edit 能力（如 **add**、**remove**、**modify**），"
+        "虽然我们没有使用专门的 grounding 数据训练。"
+    )
+
+    def _randomize_seed():
+        return random.randint(0, 2**31 - 1)
+
     with gr.Blocks(title="RefineAnything", theme=gr.themes.Soft()) as demo:
         gr.Markdown("# RefineAnything")
         gr.Markdown(_DESCRIPTION_EN)
         gr.Markdown(_DESCRIPTION_CN)
+        gr.Markdown(_NOTE_EN)
+        gr.Markdown(_NOTE_CN)
 
         with gr.Row():
             with gr.Column():
@@ -792,11 +808,19 @@ leave it as-is to reference the whole image, or **brush on it** to specify exact
         with gr.Row():
             mode = gr.Radio(["Run inference", "Preview only"], value="Run inference", label="Mode", scale=2)
             seed = gr.Number(label="Seed", value=0, precision=0, scale=1)
+            seed_dice = gr.Button("🎲 Random", scale=0, min_width=110)
             steps = gr.Number(label="Steps", value=8, precision=0, scale=1)
 
         with gr.Row():
             spatial_source = gr.Radio(["mask", "bbox"], value="mask", label="Spatial prompt source", scale=2)
             load_lightning_lora = gr.Checkbox(label="Lightning LoRA (faster)", value=True, scale=1)
+        with gr.Row():
+            paste_back_mode = gr.Radio(["bbox", "mask"], value="bbox", label="Paste-back mode", scale=1)
+            with gr.Column(scale=1):
+                focus_crop_margin = gr.Number(label="Crop margin (px)", value=64, precision=0)
+                gr.Markdown(
+                    "Note: Increasing this value usually improves harmony between the refined region and surrounding areas; decreasing it usually improves fine-detail recovery."
+                )
 
         with gr.Accordion("Advanced settings", open=False):
             with gr.Row():
@@ -804,10 +828,7 @@ leave it as-is to reference the whole image, or **brush on it** to specify exact
                 guidance_scale = gr.Number(label="Guidance scale", value=1.0)
             with gr.Row():
                 paste_back_bbox = gr.Checkbox(label="Composite paste-back", value=True)
-                paste_back_mode = gr.Radio(["bbox", "mask"], value="bbox", label="Paste-back mode")
-            with gr.Row():
                 focus_crop_for_bbox = gr.Checkbox(label="Focus-crop edit region", value=True)
-                focus_crop_margin = gr.Number(label="Crop margin (px)", value=64, precision=0)
             with gr.Row():
                 paste_mask_grow = gr.Number(label="Mask grow", value=3, precision=0)
                 paste_blend_kernel = gr.Number(label="Blend kernel", value=5, precision=0)
@@ -833,6 +854,7 @@ leave it as-is to reference the whole image, or **brush on it** to specify exact
             ],
             outputs=[out_image, replaced_prompt, image1_vis, status],
         )
+        seed_dice.click(fn=_randomize_seed, inputs=None, outputs=seed)
 
     return demo