fixed bugs

app/routers/chat.py

@@ -21,9 +21,9 @@ def _get_public_chatbot(chatbot_id: str, supabase) -> dict:
 
 @router.post("/chat/{chatbot_id}", response_model=ChatResponse)
 async def chat(
-    chatbot_id: str,
-    message: ChatMessage,
-    user=Depends(get_optional_user),
+        chatbot_id: str,
+        message: ChatMessage,
+        user=Depends(get_optional_user),
 ):
     supabase = get_supabase()
     chatbot = _get_public_chatbot(chatbot_id, supabase)
@@ -97,9 +97,9 @@ async def chat(
 
 @router.get("/chat/{chatbot_id}/history/{session_id}", response_model=List[MessageResponse])
 async def get_chat_history(
-    chatbot_id: str,
-    session_id: str,
-    user=Depends(get_optional_user),
+        chatbot_id: str,
+        session_id: str,
+        user=Depends(get_optional_user),
 ):
     supabase = get_supabase()
 
@@ -114,7 +114,7 @@ async def get_chat_history(
     conv_id = conversation.data[0]["id"]
     messages = supabase.table("messages").select("*") \
         .eq("conversation_id", conv_id) \
-        .order("created_at", asc=True) \
+        .order("created_at", desc=False) \
         .execute()
 
     return [
@@ -140,7 +140,8 @@ async def get_analytics(chatbot_id: str, user=Depends(get_current_user)):
     if not company.data:
         raise HTTPException(status_code=404, detail="Company not found")
 
-    chatbot = supabase.table("chatbots").select("id").eq("id", chatbot_id).eq("company_id", company.data[0]["id"]).execute()
+    chatbot = supabase.table("chatbots").select("id").eq("id", chatbot_id).eq("company_id",
+                                                                              company.data[0]["id"]).execute()
     if not chatbot.data:
         raise HTTPException(status_code=404, detail="Chatbot not found")
 
@@ -159,11 +160,11 @@ async def get_analytics(chatbot_id: str, user=Depends(get_current_user)):
 # ── Helpers ───────────────────────────────────────────────────────────────────
 
 def _get_or_create_conversation(
-    chatbot_id: str,
-    session_id: str,
-    user_id: Optional[str],
-    language: str,
-    supabase,
+        chatbot_id: str,
+        session_id: str,
+        user_id: Optional[str],
+        language: str,
+        supabase,
 ) -> dict:
     existing = supabase.table("conversations").select("*") \
         .eq("chatbot_id", chatbot_id) \
@@ -186,21 +187,29 @@ def _get_or_create_conversation(
 
 
 def _get_conversation_history(conversation_id: str, supabase) -> List[dict]:
+    """
+    FIX: Changed from desc=True to desc=False (ascending/chronological order).
+
+    The conversation history MUST be in chronological order (oldest first)
+    for the LLM to correctly understand the conversation flow.
+    Previously, messages were returned newest-first, which reversed the
+    conversation and confused the model.
+    """
     messages = supabase.table("messages").select("role, content") \
         .eq("conversation_id", conversation_id) \
-        .order("created_at", desc=True) \
+        .order("created_at", desc=False) \
         .limit(20) \
         .execute()
     return messages.data or []
 
 
 def _save_message(
-    conversation_id: str,
-    role: str,
-    content: str,
-    supabase,
-    sources: Optional[list] = None,
-    model: str = "",
+        conversation_id: str,
+        role: str,
+        content: str,
+        supabase,
+        sources: Optional[list] = None,
+        model: str = "",
 ):
     supabase.table("messages").insert({
         "id": str(uuid.uuid4()),
@@ -209,4 +218,4 @@ def _save_message(
         "content": content,
         "sources": sources,
         "model": model,
-    }).execute()
+    }).execute()