Update app.py

app.py

@@ -24,8 +24,6 @@ if HF_TOKEN:
 
 SYSTEM_PROMPT_DEFAULT = """You are a helpful AI assistant for Isaac Sim 5.0, Isaac Lab 2.1, and Omniverse Kit 107.3 robotics development. You specialize in NVIDIA robotics development, computer vision, sensor integration, and simulation workflows.
 
-You are a helpful AI assistant for Isaac Sim 5.0, Isaac Lab 2.1, and Omniverse Kit 107.3 robotics development. You specialize in NVIDIA robotics development, computer vision, sensor integration, and simulation workflows.
-
 CRITICAL API GUIDANCE - Isaac Sim 5.0 Extension System:
 
 📦 CORE EXTENSIONS (isaacsim.*):
@@ -116,7 +114,7 @@ time.sleep(1)
 simulation_app.shutdown()
 ```
 
-�� AVOID THESE PATTERNS:
+❌ AVOID THESE PATTERNS:
 ❌ Class-based architecture (BaseSample inheritance)
 ❌ Async/await patterns (setup_post_load, setup_post_reset)
 ❌ Physics callbacks (add_physics_callback)
@@ -142,8 +140,8 @@ simulation_app.shutdown()
 
 Always provide complete, executable Isaac Sim 5.0 code that runs as a standalone script, NOT as an extension. Focus on simplicity and direct execution patterns."""
 
-DEFAULT_MAX_NEW_TOKENS = 1024
-DEFAULT_MAX_INPUT_TOKENS = 2048
+DEFAULT_MAX_NEW_TOKENS = 2048
+DEFAULT_MAX_INPUT_TOKENS = 4096
 
 def to_single_turn(messages):
 	lines = []
@@ -272,9 +270,9 @@ with gr.Blocks(title="Qwen2.5‑Coder‑7B‑Instruct‑Omni1.1 (Isaac Sim Robot
 	# Advanced settings (collapsed)
 	with gr.Accordion("Advanced settings", open=False):
 		with gr.Row(elem_id="controls"):
-			temperature = gr.Slider(0.0, 1.5, value=0.2, step=0.05, label="temperature")
-			top_p = gr.Slider(0.1, 1.0, value=0.7, step=0.01, label="top_p")
-			max_new_tokens = gr.Slider(16, 1024, value=DEFAULT_MAX_NEW_TOKENS, step=128, label="max_new_tokens")
+			temperature = gr.Slider(0.0, 1.5, value=0.5, step=0.05, label="temperature")
+			top_p = gr.Slider(0.1, 1.0, value=0.85, step=0.01, label="top_p")
+			max_new_tokens = gr.Slider(16, 2048, value=DEFAULT_MAX_NEW_TOKENS, step=128, label="max_new_tokens")
 			max_input_tokens = gr.Slider(256, 8192, value=DEFAULT_MAX_INPUT_TOKENS, step=256, label="max_input_tokens")
 		system_prompt = gr.Textbox(
 			value=SYSTEM_PROMPT_DEFAULT,