- considering last 3 messages

Messaging_system/MultiMessage.py

@@ -139,8 +139,11 @@ class MultiMessage:
         :return: A user-facing prompt string instructing the model to produce a new message.
         """
         # Build a textual summary of previous messages
+        # ──► NEW: keep at most the last three messages
+        recent_messages = previous_messages[-3:]
+
         previous_text = []
-        for i, m in enumerate(previous_messages, start=1):
+        for i, m in enumerate(recent_messages, start=1):
             header = m.get("header", "").strip()
             body   = m.get("message", "").strip()
             previous_text.append(f"Message {i}: (Header) {header}\n           (Body) {body}")