diff --git a/main.py b/main.py
index d4b859e..831efee 100644
--- a/main.py
+++ b/main.py
@@ -1,33 +1,27 @@
-"""Интерактивный клиент: агент с RAG-памятью."""
+"""Интерактивный RAG-агент (Qdrant + Ollama + LangChain)."""
 from __future__ import annotations
 
-from agent_app import build_agent
-from rag_tools import get_knowledge_base, search_knowledge_base
+from agent_app import build_agent, build_llm
+from knowledge_base import build_knowledge_base
+from rag_tools import add_to_knowledge_base, get_knowledge_base, search_knowledge_base
+
+__all__ = [
+    "build_agent",
+    "build_llm",
+    "build_knowledge_base",
+    "get_knowledge_base",
+    "search_knowledge_base",
+    "add_to_knowledge_base",
+    "run_interactive_cli",
+]
 
 
-def _cmd_add(raw: str) -> None:
-    if "|" not in raw:
-        print("Формат: /add заголовок | текст документа")
-        return
-    title, content = raw.split("|", maxsplit=1)
-    result = get_knowledge_base().add_document(content.strip(), title.strip())
-    print(f"Добавлено: «{title.strip()}» ({result} чанк(ов))")
-
-
-def _cmd_search(raw: str) -> None:
-    query = raw.strip()
-    if not query:
-        print("Формат: /search ваш запрос")
-        return
-    print(search_knowledge_base.invoke({"query": query, "max_results": 5}))
-
-
-def main() -> None:
+def run_interactive_cli() -> None:
     agent = build_agent()
     print("RAG-агент (Qdrant + Ollama). Команды: /add, /search, /quit")
-    print("  /add заголовок | текст")
-    print("  /search запрос")
-    print("  или просто задайте вопрос агенту\n")
+    print("  /add <заголовок> | <текст>")
+    print("  /search <запрос>")
+    print("  или задайте вопрос агенту\n")
 
     while True:
         user_input = input("Вы: ").strip()
@@ -36,17 +30,25 @@ def main() -> None:
         if user_input.lower() in ("/quit", "exit", "quit", "q"):
             print("До встречи!")
             break
-        if user_input.startswith("/add "):
-            _cmd_add(user_input[5:])
-            continue
+
         if user_input.startswith("/search "):
-            _cmd_search(user_input[8:])
+            query = user_input[len("/search ") :].strip()
+            print(search_knowledge_base.invoke({"query": query, "max_results": 5}))
+            continue
+
+        if user_input.startswith("/add "):
+            payload = user_input[len("/add ") :].strip()
+            if "|" not in payload:
+                print("Формат: /add <заголовок> | <текст>")
+                continue
+            title, content = (part.strip() for part in payload.split("|", 1))
+            print(add_to_knowledge_base.invoke({"content": content, "title": title}))
             continue
 
         result = agent.invoke({"messages": [{"role": "human", "content": user_input}]})
-        answer = result["messages"][-1].content
-        print(f"\nАгент: {answer}\n")
+        answer = result["messages"][-1]
+        print(f"\nАгент: {getattr(answer, 'content', answer)}\n")
 
 
 if __name__ == "__main__":
-    main()
+    run_interactive_cli()