added memmory

backend/app/chat/service.py

@@ -11,6 +11,7 @@ from app.chat.notices import (
     format_pomodoro_context,
     format_tool_notice,
 )
+from app.memory.context import format_memory_context, get_memory_snapshot
 from app.projects.context import format_projects_context, get_projects_snapshot
 from app.db.models import ChatSession, Message
 from app.llm.client import LLMClient
@@ -18,6 +19,7 @@ from app.pomodoro.service import PomodoroService
 from app.tools.registry import TOOL_DEFINITIONS, execute_tool
 
 MAX_TOOL_ROUNDS = 5
+MAX_HISTORY_MESSAGES = 40
 
 
 class ChatService:
@@ -48,23 +50,31 @@ class ChatService:
         self.db.commit()
         return True
 
-    def _build_system_prompt(self) -> str:
+    def _build_system_prompt(self, session_id: int | None = None) -> str:
         status = PomodoroService(self.db).get_status()
+        memory_snapshot = get_memory_snapshot(self.db, session_id)
         projects_snapshot = get_projects_snapshot(self.db)
         return (
             f"{self.character.get_system_prompt()}\n\n"
+            f"{format_memory_context(memory_snapshot)}\n\n"
             f"{format_pomodoro_context(status)}\n\n"
             f"{format_projects_context(projects_snapshot)}"
         )
 
     def _build_messages(self, session: ChatSession) -> list[dict[str, Any]]:
+        system_prompt = self._build_system_prompt(session.id)
+        all_chat = [m for m in session.messages if m.role != "notice"]
+        if len(all_chat) > MAX_HISTORY_MESSAGES:
+            system_prompt += (
+                f"\n\n[История чата: в контексте последние {MAX_HISTORY_MESSAGES} "
+                f"из {len(all_chat)} сообщений. Раннее — в сводке сессии, если сохранена.]"
+            )
         messages: list[dict[str, Any]] = [
-            {"role": "system", "content": self._build_system_prompt()}
+            {"role": "system", "content": system_prompt}
         ]
-        for msg in session.messages:
-            if msg.role == "notice":
-                continue
+        chat_messages = all_chat[-MAX_HISTORY_MESSAGES:] if len(all_chat) > MAX_HISTORY_MESSAGES else all_chat
 
+        for msg in chat_messages:
             content = msg.content or None
             entry: dict[str, Any] = {"role": msg.role, "content": content}
             if msg.tool_calls_json:
@@ -136,7 +146,9 @@ class ChatService:
                 for tool_call in tool_calls:
                     fn = tool_call["function"]
                     args = LLMClient.parse_tool_arguments(fn.get("arguments", ""))
-                    result = await execute_tool(self.db, fn["name"], args)
+                    result = await execute_tool(
+                        self.db, fn["name"], args, session_id=session_id
+                    )
                     tool_message = {
                         "role": "tool",
                         "tool_call_id": tool_call["id"],