conductor(checkpoint): Final checkpoint for RAG Support track - Phase 4 complete

src/ai_client.py

@@ -2250,7 +2250,7 @@ def send(
  monitor = performance_monitor.get_monitor()
  if monitor.enabled: monitor.start_component("ai_client.send")
 
- if rag_engine and getattr(rag_engine.config, "enabled", False):
+ if rag_engine and getattr(rag_engine.config, "enabled", False) and "## Retrieved Context" not in user_message:
   chunks = rag_engine.search(user_message)
   if chunks:
    context_block = "## Retrieved Context\n\n"