Update app.py

app.py

@@ -2,10 +2,17 @@ import gradio as gr
 from groq import Groq
 import os
 
-# Groq client
+# Get Groq API key from environment
 api_key = os.environ.get("GROQ_API_KEY")
 
+# Initialize Groq client only if key exists
+client = Groq(api_key=api_key) if api_key else None
+
 def get_recommendation(quantity, food_type, expiry_hours):
+    if not client:
+        return "❌ GROQ_API_KEY not found. Please set your API key in environment variables or Secrets."
+
+    # Basic routing logic
     if quantity < 20:
         base = "Elderly Individuals"
     elif quantity < 100:
@@ -23,14 +30,20 @@ The system selected: {base}
 
 Explain why this is the best recipient in 2-3 lines.
 """
+
+    # AI call
+    try:
         response = client.chat.completions.create(
             model="llama-2-7b-chat",
             messages=[{"role": "user", "content": prompt}]
         )
         explanation = response.choices[0].message.content
+    except Exception as e:
+        explanation = f"❌ AI explanation not available:\n{e}"
 
     return f"✅ Recommended: {base}\n\n🤖 AI Reasoning:\n{explanation}"
 
+
 # Gradio Blocks UI
 with gr.Blocks(title="🍽️ NourishNet AI") as demo:
     gr.Markdown(