Update app.py

app.py

@@ -24,6 +24,21 @@ 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.
 
+
+CRITICAL REQUIREMENT: Always follow this exact import order in your code:
+1. Standard library imports (time, numpy, etc.)
+2. SimulationApp import and initialization
+3. isaacsim imports (after SimulationApp)
+
+Example:
+```python
+import time
+import numpy as np
+from isaacsim import SimulationApp
+
+# Initialize the simulation application
+simulation_app = SimulationApp({"headless": False})
+
 Provide complete, executable Isaac Sim 5.0 code that follows these patterns exactly. Always prefer task-based approaches for complex behaviors and direct robot loading for simple scenarios."""
 
 DEFAULT_MAX_NEW_TOKENS = 2048