Update app.py

Increase neural sprite detail

app.py

@@ -124,9 +124,10 @@ HF_TOKEN = os.environ.get("HF_TOKEN", "")
 PRIMARY_IMAGE_MODEL = os.environ.get("PRIMARY_IMAGE_MODEL", "segmind/SSD-1B")
 PRIMARY_LORA_MODEL = os.environ.get("PRIMARY_LORA_MODEL", "latent-consistency/lcm-lora-ssd-1b")
 PRIMARY_IMAGE_STEPS = int(os.environ.get("PRIMARY_IMAGE_STEPS", "4"))
+PRIMARY_SPRITE_STEPS = int(os.environ.get("PRIMARY_SPRITE_STEPS", "6"))
 PRIMARY_GUIDANCE_SCALE = float(os.environ.get("PRIMARY_GUIDANCE_SCALE", "1.5"))
 PRIMARY_BACKGROUND_STRENGTH = float(os.environ.get("PRIMARY_BACKGROUND_STRENGTH", "0.72"))
-PRIMARY_SPRITE_STRENGTH = float(os.environ.get("PRIMARY_SPRITE_STRENGTH", "0.72"))
+PRIMARY_SPRITE_STRENGTH = float(os.environ.get("PRIMARY_SPRITE_STRENGTH", "0.82"))
 USE_PRIMARY_IMAGE_MODEL = os.environ.get("USE_PRIMARY_IMAGE_MODEL", "1") == "1"
 REQUIRE_PRIMARY_IMAGE_MODEL = os.environ.get(
     "REQUIRE_PRIMARY_IMAGE_MODEL",
@@ -1651,6 +1652,7 @@ def primary_diffusion_prompt(spec: AssetSpec) -> str:
     return (
         f"{spec.prompt} One complete isolated game sprite only, centered, fully visible, readable silhouette, "
         "camera angle and pose exactly matching the supplied guide, on a plain uniform white studio background. "
+        "Add recognizable costume, equipment, materials, and character details. "
         "No scenery, floor, trees, foliage, frame, or environmental props."
     )
 
@@ -1685,7 +1687,7 @@ def primary_diffusion_png(spec: AssetSpec, index: int, run_id: int) -> tuple[byt
         common = {
             "prompt": primary_diffusion_prompt(spec),
             "negative_prompt": diffusion_negative_prompt(spec),
-            "num_inference_steps": PRIMARY_IMAGE_STEPS,
+            "num_inference_steps": PRIMARY_IMAGE_STEPS if is_background_spec(spec) else PRIMARY_SPRITE_STEPS,
             "guidance_scale": PRIMARY_GUIDANCE_SCALE,
             "generator": generator,
         }