Fix: Simplify Gemini integration and update dependencies

app.py

@@ -114,12 +114,6 @@ def generate_response(user_message: str, history: List[Dict], context: Optional[
     """Generate AI response using Gemini."""
     context_used = []
     
-    # Build conversation history for context
-    conversation = []
-    for msg in history[-10:]:  # Last 10 messages for context
-        role = "user" if msg.get("role") == "user" else "model"
-        conversation.append({"role": role, "parts": [msg.get("content", "")]})
-    
     # Build context prompt if pipeline data available
     context_prompt = ""
     if context:
@@ -136,17 +130,25 @@ def generate_response(user_message: str, history: List[Dict], context: Optional[
         return f"I received your question: '{user_message}'. Please configure GEMINI_API_KEY for real responses.", []
     
     try:
-        # Create chat with system instruction
-        chat = model.start_chat(history=conversation)
+        # Build conversation context
+        history_text = ""
+        for msg in history[-6:]:  # Last 6 messages
+            role = "User" if msg.get("role") == "user" else "Assistant"
+            history_text += f"{role}: {msg.get('content', '')}\n"
         
-        # Generate response
-        response = chat.send_message(
-            f"[System: {full_system}]\n\nUser: {user_message}",
-            generation_config=genai.types.GenerationConfig(
-                temperature=0.7,
-                max_output_tokens=1024,
-            )
-        )
+        # Create full prompt
+        full_prompt = f"""{full_system}
+
+## Previous Conversation:
+{history_text}
+
+## Current Question:
+User: {user_message}
+
+## Your Response (as AGROW AI agricultural advisor):"""
+        
+        # Generate response using simple generate_content
+        response = model.generate_content(full_prompt)
         
         return response.text, context_used
         

requirements.txt

@@ -1,6 +1,7 @@
 fastapi==0.104.1
 uvicorn==0.24.0
 pydantic==2.5.2
-google-generativeai==0.3.2
-supabase==2.3.0
+google-generativeai>=0.8.0
+supabase>=2.0.0
 python-dotenv==1.0.0
+httpx>=0.24.0